Commit Graph

1319 Commits

Author SHA1 Message Date
Michal Simek 9f7f0b2bbc GPIO: xilinx: Use BIT macro
Use BIT macro from linux/bitops.h.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17 07:47:33 +02:00
Michal Simek cc090d61d1 GPIO: xilinx: Use __raw_readl/__raw_writel IO functions
This driver can be used on Xilinx ARM Zynq platform
where in_be32/out_be32 functions are not implemented.
Use __raw_readl/__raw_writel functions which are
implemented on Microblaze and PowerPC.
For ARM readl/writel functions are used instead.

The correct way how to implement this is to detect
endians directly on IP. But for the gpio case
without interrupt connected(it means without
interrupt logic) there are just 2 registers
data and tristate where auto detection can't be done.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17 07:46:18 +02:00
Michal Simek 74600ee017 GPIO: xilinx: Add support for dual channel
Supporting the second channel in the driver.
Offset is 0x8 and both channnels share the same
IRQ.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17 07:42:30 +02:00
Michal Simek 6f8bf50031 GPIO: xilinx: Simplify driver probe function
Simplification is done by using OF helper function
which increase readability of code and remove
(if (var) var = be32_to_cpup;) assignment.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17 07:38:50 +02:00
Olof Johansson e45600107b Cleanups for MSM for 3.11
These are a handful of cleanups to the MSM tree.  The gpio cleanups
 get us closer to having proper pinmux and gpio support.
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Merge tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup

From David Brown:
Cleanups for MSM for 3.11

These are a handful of cleanups to the MSM tree.  The gpio cleanups
get us closer to having proper pinmux and gpio support.

* tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  mfd: ssbi: Use devm_* and simplify code
  gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
  ARM: msm: Remove gpiomux-v2 and re-organize MSM_GPIOMUX configs
  msm: iomap: Remove unused bases and mappings
  msm: Remove unused file core.h
  ARM: msm: Remove init_irq declaration in machine description

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/boot/dts/msm8660-surf.dts
	arch/arm/boot/dts/msm8960-cdp.dts
2013-06-14 18:28:02 -07:00
Olof Johansson bae994b199 Some minor fixes for MSM for 3.11
I don't expect these to be necessary for stable, since the fixes are
 to recently added code.  The strncpy fix is only in debug code that
 isn't normally compiled or used (and is being removed in upcoming
 patches).
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Merge tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup

From David Brown:
Some minor fixes for MSM for 3.11

I don't expect these to be necessary for stable, since the fixes are
to recently added code.  The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).

* tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  gpio: msm-v1: Remove errant __devinit to fix compile
  mfd: ssbi: Add MODULE_DEVICE_TABLE
  ARM: dts: msm: Fix bad register addresses
  arch: arm: mach-msm: using strlcpy instead of strncpy

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 18:23:23 -07:00
Olof Johansson f1324f69c0 Some minor fixes for MSM for 3.11
I don't expect these to be necessary for stable, since the fixes are
 to recently added code.  The strncpy fix is only in debug code that
 isn't normally compiled or used (and is being removed in upcoming
 patches).
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Merge tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/fixes-non-critical

From David Brown:
Some minor fixes for MSM for 3.11

I don't expect these to be necessary for stable, since the fixes are
to recently added code.  The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).

* tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  gpio: msm-v1: Remove errant __devinit to fix compile
  mfd: ssbi: Add MODULE_DEVICE_TABLE
  ARM: dts: msm: Fix bad register addresses
  arch: arm: mach-msm: using strlcpy instead of strncpy

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 18:21:37 -07:00
Olof Johansson 38d77ff90a Renesas ARM based SoC GPIO R-Car updates for v3.11
DT support to GPIO R-Car driver by Laurent Pinchart.
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Merge tag 'renesas-gpio-rcar-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

From Simon Horman:
Renesas ARM based SoC GPIO R-Car updates for v3.11

DT support to GPIO R-Car driver by Laurent Pinchart.

* tag 'renesas-gpio-rcar-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (131 commits)
  gpio-rcar: Add DT support
2013-06-14 17:45:39 -07:00
Rohit Vaswani 43f68444bc gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
This cleans up the gpio-msm-v2 driver of all the global define usage.
The number of gpios are now defined in the device tree. This enables
adding irqdomain support as well.

Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-06-12 14:50:12 -07:00
Stephen Boyd 7ba655fc96 gpio: msm-v1: Remove errant __devinit to fix compile
Commit 7bce696 (gpio: Make gpio-msm-v1 into a platform driver,
2013-03-04) was based on an older kernel where __devinit still
existed. Remove the erroneous __devinit marking.

Cc: David Brown <davidb@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-06-12 14:49:06 -07:00
Rohit Vaswani eda9dcfa56 ARM: msm: Remove gpiomux-v2 and re-organize MSM_GPIOMUX configs
Remove gpiomux-v2 as it's not being used and make way for future improvements.

Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-06-12 13:52:51 -07:00
Laurent Pinchart 159f8a0209 gpio-rcar: Add DT support
Add DT bindings for the gpio-rcar driver and read the device
configuration from the DT node at probe time if available.

Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-12 21:48:09 +09:00
Olof Johansson ea36b02269 Merge branch 'clps711x/soc' into next/soc
From Alexander Shiyan, this is a series of cleanups of clps711x, movig it
closer to multiplatform and cleans up a bunch of old code.

* clps711x/soc:
  ARM: clps711x: Update defconfig
  ARM: clps711x: Add support for SYSCON driver
  ARM: clps711x: edb7211: Control LCD backlight via PWM
  ARM: clps711x: edb7211: Add support for I2C
  ARM: clps711x: Optimize interrupt handling
  ARM: clps711x: Add clocksource framework
  ARM: clps711x: Replace "arch_initcall" in common code with ".init_early"
  ARM: clps711x: Move specific definitions from hardware.h to boards files
  ARM: clps711x: p720t: Define PLD registers as GPIOs
  ARM: clps711x: autcpu12: Move remaining specific definitions to board file
  ARM: clps711x: autcpu12: Special driver for handling memory is removed
  ARM: clps711x: autcpu12: Add support for NOR flash
  ARM: clps711x: autcpu12: Move LCD DPOT definitions to board file
  ARM: clps711x: Set PLL clock to zero if we work from 13 mHz source
  ARM: clps711x: Remove NEED_MACH_MEMORY_H dependency
  ARM: clps711x: Re-add GPIO support
  GPIO: clps711x: Add DT support
  GPIO: clps711x: Rewrite driver for using generic GPIO code
  + Linux 3.10-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-11 15:57:51 -07:00
Alexander Shiyan a180132f27 GPIO: clps711x: Add DT support
Add DT support to the CLPS711X GPIO driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-11 15:44:57 -07:00
Alexander Shiyan 55fe14ab87 GPIO: clps711x: Rewrite driver for using generic GPIO code
This patch provides rewritten driver for CLPS711X GPIO which uses
generic GPIO code.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-11 15:44:02 -07:00
Kukjin Kim 0e81a3529e Merge branch 'v3.11-next/driver-pinctrl' into v3.11-next/s3c24xx-driver 2013-06-12 05:24:16 +09:00
Kukjin Kim 20e3753294 Merge branch 'v3.11-next/driver-gpio' into v3.11-next/s3c24xx-driver 2013-06-12 05:24:08 +09:00
Sylwester Nawrocki 9fdb27d48a gpio: samsung: Remove OF support for s3c24xx
There is no users of this code and there is already a pinctrl
driver written for s3c24xx which is going to be used on any
s3c24xx DT platforms. Hence this has been effectively a dead
code in mainline.

This reverts commit 172c6a1365
gpio: samsung: add devicetree init for s3c24xx arches

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-06-12 05:22:17 +09:00
Olof Johansson 620fa619a9 Renesas ARM based SoC pinmux and GPIO update for v3.11
SH-PFC:
 * Entries for INTC external IRQs
 * Remove dependency on GPIOLIB
 * PFC support for r8a7790 SoC
 * Pinmux support for r8a7778 SoC
 * Increase pin group and function coverage for sh7372, r8a7740,
   r8a7778, r8a7779 and r8a7790 SoCs
 * Use pinctrl mapping on mackerel, ap4evb, armadillo800eva,
   bonito, bockw, lager boards
 * Use RCAR_GP_PIN macro in marzen board
 * Remove unused GPIOs for sh7372, sh73a0, r8a7740 and r8a7790 SoCs
 * Add bias (pull-up/down) pinconf support for r8a7740 SoC
 * Add VCCQ support for sh73a0
 
 GPIO car:
 * Add RCAR_GP_PIN macro
 * Add support for IRQ_TYPE_EDGE_BOTH
 * Make the platform data gpio_base field signed
 
 The GPIO changes have been included as the RCAR_GP_PIN and
 IRQ_TYPE_EDGE_BOTH changes are depended on by SH-PFC changes.
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Merge tag 'renesas-pinmux-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

From Simon Horman:
Renesas ARM based SoC pinmux and GPIO update for v3.11

SH-PFC:
* Entries for INTC external IRQs
* Remove dependency on GPIOLIB
* PFC support for r8a7790 SoC
* Pinmux support for r8a7778 SoC
* Increase pin group and function coverage for sh7372, r8a7740,
  r8a7778, r8a7779 and r8a7790 SoCs
* Use pinctrl mapping on mackerel, ap4evb, armadillo800eva,
  bonito, bockw, lager boards
* Use RCAR_GP_PIN macro in marzen board
* Remove unused GPIOs for sh7372, sh73a0, r8a7740 and r8a7790 SoCs
* Add bias (pull-up/down) pinconf support for r8a7740 SoC
* Add VCCQ support for sh73a0

GPIO car:
* Add RCAR_GP_PIN macro
* Add support for IRQ_TYPE_EDGE_BOTH
* Make the platform data gpio_base field signed

The GPIO changes have been included as the RCAR_GP_PIN and
IRQ_TYPE_EDGE_BOTH changes are depended on by SH-PFC changes.

* tag 'renesas-pinmux-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (132 commits)
  ARM: shmobile: marzen: Use RCAR_GP_PIN macro
  ARM: shmobile: lager: Initialize pinmux
  ARM: shmobile: bockw: add pinctrl support
  ARM: shmobile: kzm9g: tidyup FSI pinctrl
  ARM: shmobile: r8a7740 pinmux platform device cleanup
  ARM: shmobile: r8a7790: Configure R-Car GPIO for IRQ_TYPE_EDGE_BOTH
  pinctrl: sh-pfc: r8a7779: Fix missing MOD_SEL2 entry
  Revert "ARM: shmobile: Disallow PINCTRL without GPIOLIB"
  pinctrl: r8a7790: add pinmux data for MMCIF and SDHI interfaces
  sh-pfc: r8a7778: add MMCIF pin groups
  sh-pfc: r8a7778: add HSPI pin groups
  sh-pfc: r8a7778: add I2C pin groups
  pinctrl: sh-pfc: fix a typo in pfc-r8a7790
  pinctrl: sh-pfc: fix r8a7790 Function Select register tables
  sh-pfc: r8a7778: fixup IRQ1A settings
  sh-pfc: r8a7779: add Ether pin groups
  sh-pfc: r8a7778: add Ether pin groups
  sh-pfc: r8a7778: add VIN pin groups
  sh-pfc: sh73a0: Remove function GPIOs
  sh-pfc: r8a7790: Add TPU pin groups and functions
  ...
2013-06-11 00:21:46 -07:00
Simon Horman 7e1092b5a2 gpio-rcar: Add support for IRQ_TYPE_EDGE_BOTH
As hardware support for this feature is not universal for all SoCs a flag,
has_both_edge_trigger, has been added to the platform data of the driver to
allow this feature to be enabled.

The motivation for this is to allow use of the gpio-keys driver on the
lager board which is based on the r8a7790 SoC. The V2 of this patch has been
fully exercised using that driver on that board.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-04 20:28:36 +09:00
Kuninori Morimoto c234962b80 gpio-rcar: R-Car GPIO IRQ share interrupt
R-Car H1 or Gen2 GPIO interrupts are assigned per each GPIO domain,
but, Gen1 E1/M1 GPIO interrupts are shared for all GPIO domain.
gpio-rcar driver needs IRQF_SHARED flags for these.
This patch was tested on Bock-W board

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-04 20:28:36 +09:00
Rafael J. Wysocki 45f0a85c82 PM / Runtime: Rework the "runtime idle" helper routine
The "runtime idle" helper routine, rpm_idle(), currently ignores
return values from .runtime_idle() callbacks executed by it.
However, it turns out that many subsystems use
pm_generic_runtime_idle() which checks the return value of the
driver's callback and executes pm_runtime_suspend() for the device
unless that value is not 0.  If that logic is moved to rpm_idle()
instead, pm_generic_runtime_idle() can be dropped and its users
will not need any .runtime_idle() callbacks any more.

Moreover, the PCI, SCSI, and SATA subsystems' .runtime_idle()
routines, pci_pm_runtime_idle(), scsi_runtime_idle(), and
ata_port_runtime_idle(), respectively, as well as a few drivers'
ones may be simplified if rpm_idle() calls rpm_suspend() after 0 has
been returned by the .runtime_idle() callback executed by it.

To reduce overall code bloat, make the changes described above.

Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
2013-06-03 21:49:52 +02:00
Nikolay Balandin 644c8df2fb gpio: sx150x: convert to use devm_* functions
Use devm_* functions to make cleanup paths simpler.

Signed-off-by: Nikolay Balandin <nbalandin@dev.rtsoft.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 22:18:36 +02:00
Wei Yongjun df46dce091 gpio-ml-ioh: fix error return code in ioh_gpio_probe()
Fix to return a negative error code in the irq descs alloc error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:39:20 +02:00
Andy Shevchenko 611a485b5f gpio-langwell: drop away explicit casting
Since the type of the reg_base member is void __iomem * we don't need to have
explicit casting in gpio_reg() and gpio_reg_2bit().

Update year in the copyright notice as well.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:31:12 +02:00
Andy Shevchenko 8aca119f56 gpio-langwell: amend error messages
There is no need to use hardcoded device name in the error messages, because
dev_err() prefixes the message with the device name anyway.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:31:07 +02:00
Andy Shevchenko 786e07ecb5 gpio-langwell: use managed functions pcim_* and devm_*
This makes the error handling much more simpler than open-coding everything and
in addition makes the probe function smaller an tidier.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
[Rebased on the platform-data set to NULL removal patch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:31:01 +02:00
Andy Shevchenko 64c8cbc17c gpio-langwell: do not use direct access to iomapped memory
We better to use readl() function instead of bad looking direct access.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:30:56 +02:00
Andy Shevchenko aeb168f77c gpio-langwell: initialize lock before usage
Otherwise we will end up with traceback from LOCKDEP:

INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-rc2-next-20130521-00028-g09aa9fc #487
 00000000 00000000 f6c55c54 c1541fe4 f6040bf8 f6c55c8c c1069ef1 c1726bc1
 c1726cc8 c1726c9e 00000000 f6c584e0 f6c58000 f6c55ce8 00000000 f6040bf8
 f6040bf8 00000046 f6c58000 f6c55d00 c106a18d 00000a2b 00000003 00004f02
Call Trace:
 [<c1541fe4>] dump_stack+0x49/0x77
 [<c1069ef1>] register_lock_class+0x58/0x260
 [<c106a18d>] __lock_acquire+0x94/0xcff
 [<c106adc8>] ? __lock_acquire+0xccf/0xcff
 [<c106b2ad>] lock_acquire+0xcc/0x10d
 [<c1269c7c>] ? lnw_irq_type+0x63/0xe9
 [<c1545da0>] _raw_spin_lock_irqsave+0x32/0x42
 [<c1269c7c>] ? lnw_irq_type+0x63/0xe9
 [<c1269c7c>] lnw_irq_type+0x63/0xe9
 [<c108f454>] __irq_set_trigger+0x98/0x123
 [<c1090225>] irq_set_irq_type+0x2f/0x51
 [<c1090225>] ? irq_set_irq_type+0x2f/0x51
 [<c1269d02>] ? lnw_irq_type+0xe9/0xe9
 [<c1269d34>] lnw_gpio_irq_map+0x32/0x3b
 [<c10914f2>] irq_domain_add_legacy+0xe2/0x107
 [<c1091b53>] irq_domain_add_simple+0x47/0x60
 [<c1269f6e>] lnw_gpio_probe+0x119/0x217
 [<c1271018>] pci_device_probe+0x5a/0x92
...

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:30:44 +02:00
Axel Lin 2b861f4b2b gpio: max7300: Fix trivial typo in Kconfig help text
max7301 is controlled through SPI interface which means another driver.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:22 +02:00
Axel Lin 8700d0afc8 gpio: stmpe: Staticize non-exported symbols
Both stmpe_gpio_irq_map() and stmpe_gpio_irq_unmap() are not referenced
outside of this file, make them static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:22 +02:00
Jingoo Han 1cdd8d52ec gpio: vx855: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:21 +02:00
Jingoo Han 752057e5ba gpio: timberdale: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:21 +02:00
Jingoo Han 04df77298f gpio: tc3589x: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:21 +02:00
Jingoo Han e1142aaeba gpio: stmpe: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:21 +02:00
Jingoo Han 8be2010ec9 gpio: rdc321x: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:21 +02:00
Jingoo Han 07606bfc73 gpio: lynxpoint: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:20 +02:00
Jingoo Han aa3e22473c gpio: langwell: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 19:20:20 +02:00
Linus Torvalds 514e250f67 GPIO fixes for the v3.10 series:
- An OMAP fix that makes ethernet work again.
 - Fix for build problem when building the MCP23S08 driver
   as module.
 - IRQ conflicts in the Langwell driver.
 - Fix IRQ coherency issues in the MXS driver.
 - Return correct errorcode on errorpath when removing
   GPIO chips.
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Merge tag 'gpio-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 - An OMAP fix that makes ethernet work again.
 - Fix for build problem when building the MCP23S08 driver as module.
 - IRQ conflicts in the Langwell driver.
 - Fix IRQ coherency issues in the MXS driver.
 - Return correct errorcode on errorpath when removing GPIO chips.

* tag 'gpio-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: Don't override the error code in probe error handling
  gpio: mxs: Use set and clear capabilities of the gpio controller
  gpio-langwell: fix irq conflicts when DT is not used
  gpio: mcp23s08: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
  gpio/omap: ensure gpio context is initialised
2013-05-23 18:24:10 -07:00
Axel Lin cfb10898ef gpio: Don't override the error code in probe error handling
Otherwise, we return 0 in probe error paths when gpiochip_remove() returns 0.
Also show error message if gpiochip_remove() fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Denis Turischev <denis@compulab.co.il>
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-20 20:27:30 +02:00
Maxime Ripard 90dae4ebf0 gpio: mxs: Use set and clear capabilities of the gpio controller
The current driver doesn't use the set and clear registers found on the
mxs gpio controller.

This leads the generic gpio controller to be using some internal value
to avoid looking up the value stored in the registers, making it behave
pretty much like a cache.

This raises some coherency problem when a gpio is not modified by the
gpio controller, while it can easily be fixed by using the set and clear
registers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-20 20:14:43 +02:00
David Cohen 2519f9abce gpio-langwell: fix irq conflicts when DT is not used
When DT is not used IOAPIC does not register irq domain. As result
IOAPIC won't care about gpio-langwell's virq and may cause conflict if
an irq number is equal to gpio-langwell's virq mapped beforehand.

This patch tells gpio_langwell to not ignore irq_base if != 0 and
preferably use it to avoid the conflict.

If DT is used, irq_base can safely be 0.

Signed-off-by: David Cohen <david.a.cohen@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-20 20:10:22 +02:00
Axel Lin 0f119a840b gpio: mcp23s08: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m &&
CONFIG_GPIO_MCP23S08=y.

  LD      init/built-in.o
drivers/built-in.o: In function `mcp23017_write':
clkdev.c:(.text+0x1e14): undefined reference to `i2c_smbus_write_word_data'
drivers/built-in.o: In function `mcp23017_read':
clkdev.c:(.text+0x1e24): undefined reference to `i2c_smbus_read_word_data'
drivers/built-in.o: In function `mcp23008_write':
clkdev.c:(.text+0x1e8c): undefined reference to `i2c_smbus_write_byte_data'
drivers/built-in.o: In function `mcp23008_read':
clkdev.c:(.text+0x1e98): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mcp23008_read_regs':
clkdev.c:(.text+0x1ed0): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mcp23s08_init':
clkdev.c:(.init.text+0x30): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mcp23s08_exit':
clkdev.c:(.exit.text+0x30): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-20 19:16:16 +02:00
Heiko Stuebner af99a75074 pinctrl: Add pinctrl-s3c24xx driver
The s3c24xx pins follow a similar pattern as the other Samsung SoCs and
can therefore reuse the already introduced infrastructure.

The s3c24xx SoCs have one design oddity in that the first 4 external
interrupts do not reside in the eint pending register but in the main
interrupt controller instead. We solve this by forwarding the external
interrupt from the main controller into the irq domain of the pin bank.
The masking/acking of these interrupts is handled in the same way.

Furthermore the S3C2412/2413 SoCs contain another oddity in that they
keep the same 4 eints in the main interrupt controller and eintpend
register and requiring ack operations to happen in both. This is solved
by using different compatible properties for the wakeup eint node which
set a property accordingly.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-05-21 00:56:13 +09:00
Wolfram Sang 8cfc2a1fce drivers/gpio: don't check resource with devm_ioremap_resource
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
2013-05-18 11:55:19 +02:00
Jon Hunter 352a2d5bfc gpio/omap: ensure gpio context is initialised
Commit a2797be (gpio/omap: force restore if context loss is not
detectable) broke gpio support for OMAP when booting with device-tree
because a restore of the gpio context being performed without ever
initialising the gpio context. In other words, the context restored was
bad.

This problem could also occur in the non device-tree case, however, it
is much less likely because when booting without device-tree we can
detect context loss via a platform specific API and so context restore
is performed less often.

Nevertheless we should ensure that the gpio context is initialised
on the first pm-runtime resume for gpio banks that could lose their
state regardless of whether we are booting with device-tree or not.

The context loss count was being initialised on the first pm-runtime
suspend following a resume, by populating the get_count_loss_count()
function pointer after the first pm-runtime resume. To make the code
more readable and logical, initialise the context loss count on the
first pm-runtime resume if the context is not yet valid.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Santosh Shilimkar<santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-13 21:20:44 +02:00
Linus Torvalds 5647ac0ad4 Removal of GENERIC_GPIO for v3.10
GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any valid
 cases for enableing GENERIC_GPIO without GPIOLIB, even though it is
 possible to do so which has been causing confusion and breakage. This
 branch does the work to completely eliminate GENERIC_GPIO.
 
 However, it is not trivial to just create a branch to remove it. Over
 the course of the v3.9 cycle more code referencing GENERIC_GPIO has been
 added to linux-next that conflicts with this branch. The following must
 be done to resolve the conflicts when merging this branch into mainline:
 
 * "git grep CONFIG_GENERIC_GPIO" should return 0 hits. Matches should be
   replaced with CONFIG_GPIOLIB
 * "git grep '\bGENERIC_GPIO\b'" should return 1 hit in the Chinese
   documentation.
 * Selectors of GENERIC_GPIO should be turned into selectors of GPIOLIB
 * definitions of the option in architecture Kconfig code should be deleted.
 
 Stephen has 3 merge fixup patches[1] that do the above. They are currently
 applicable on mainline as of May 2nd.
 
 [1] http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg428056.html
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull removal of GENERIC_GPIO from Grant Likely:
 "GENERIC_GPIO now synonymous with GPIOLIB.  There are no longer any
  valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it
  is possible to do so which has been causing confusion and breakage.
  This branch does the work to completely eliminate GENERIC_GPIO."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux:
  gpio: update gpio Chinese documentation
  Remove GENERIC_GPIO config option
  Convert selectors of GENERIC_GPIO to GPIOLIB
  blackfin: force use of gpiolib
  m68k: coldfire: use gpiolib
  mips: pnx833x: remove requirement for GENERIC_GPIO
  openrisc: default GENERIC_GPIO to false
  avr32: default GENERIC_GPIO to false
  xtensa: remove explicit selection of GENERIC_GPIO
  sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB
  powerpc: remove redundant GENERIC_GPIO selection
  unicore32: default GENERIC_GPIO to false
  unicore32: remove unneeded select GENERIC_GPIO
  arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB
  arm: remove redundant GENERIC_GPIO selection
  mips: alchemy: require gpiolib
  mips: txx9: change GENERIC_GPIO to GPIOLIB
  mips: loongson: use GPIO driver on CONFIG_GPIOLIB
  mips: remove redundant GENERIC_GPIO select
2013-05-09 09:59:16 -07:00
Linus Torvalds a8c4b90e67 ARM: arm-soc platform updates for 3.10, part 2
These patches are all for Renesas shmobile, and depend on the earlier
 pinctrl updates. Remarkably, this adds support for three new SoCs:
 r8a73a4, r8a73a4 and r8a7778. The bulk of the code added for these is
 for pinctrl (using the new subsystem) and for clocks (not yet using the
 common clock subsystem). The latter will have to get converted in one
 of the upcoming releases, but shmobile is not ready for that yet.
 
 The series also contains Renesas shmobile board changes, adding one
 board file for each of the three new SoCs.  These boards are using a
 mix of classic and device-tree based probing, as there is still a lot of
 infrastructure in shmobile that has not been converted to DT yet. Once
 those are resolved to the degree that no board specific setup code is
 needed, they can get folded into the respective SoC setup files.
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Merge tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates (part 2) from Arnd Bergmann:
 "These patches are all for Renesas shmobile, and depend on the earlier
  pinctrl updates.  Remarkably, this adds support for three new SoCs:
  r8a73a4, r8a73a4 and r8a7778.  The bulk of the code added for these is
  for pinctrl (using the new subsystem) and for clocks (not yet using
  the common clock subsystem).  The latter will have to get converted in
  one of the upcoming releases, but shmobile is not ready for that yet.

  The series also contains Renesas shmobile board changes, adding one
  board file for each of the three new SoCs.  These boards are using a
  mix of classic and device-tree based probing, as there is still a lot
  of infrastructure in shmobile that has not been converted to DT yet.
  Once those are resolved to the degree that no board specific setup
  code is needed, they can get folded into the respective SoC setup files."

* tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
  ARM: shmobile: use r8a7790 timer setup code on Lager
  ARM: shmobile: force enable of r8a7790 arch timer
  ARM: shmobile: Add second I/O range for r8a7790 PFC
  ARM: shmobile: bockw: enable network settings on bootargs
  ARM: shmobile: bockw: add SMSC ethernet support
  ARM: shmobile: R8A7778: add Ether support
  ARM: shmobile: bockw: enable SMSC ethernet on defconfig
  ARM: shmobile: r8a7778: add r8a7778_init_irq_extpin()
  ARM: shmobile: r8a7778: remove pointless PLATFORM_INFO()
  ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
  ARM: shmobile: mackerel: add interrupt names for SDHI0
  ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
  ARM: shmobile: mackerel: remove OCR masks, where regulators are used
  ARM: shmobile: mackerel: SDHI resources do not have to be numbered
  ARM: shmobile: Initial r8a7790 Lager board support
  ARM: shmobile: APE6EVM LAN9220 support
  ARM: shmobile: APE6EVM PFC support
  ARM: shmobile: APE6EVM base support
  ARM: shmobile: kzm9g-reference: add ethernet support
  ARM: shmobile: add R-Car M1A Bock-W platform support
  ...
2013-05-07 10:57:51 -07:00
Linus Torvalds 30c67e93c5 GPIO changes for Linux 3.10
The usual selection of bug fixes and driver updates for GPIO. Nothing
 really stands out except the addition of the GRGPIO driver and some
 enhacements to ACPI support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull GPIO changes from Grant Likely:
 "The usual selection of bug fixes and driver updates for GPIO.  Nothing
  really stands out except the addition of the GRGPIO driver and some
  enhacements to ACPI support"

I'm pulling this despite the earlier mess.  Let's hope it compiles these
days.

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (46 commits)
  gpio: grgpio: Add irq support
  gpio: grgpio: Add device driver for GRGPIO cores
  gpiolib-acpi: introduce acpi_get_gpio_by_index() helper
  GPIO: gpio-generic: remove kfree() from bgpio_remove call
  gpio / ACPI: Handle ACPI events in accordance with the spec
  gpio: lpc32xx: Fix off-by-one valid range checking for bank
  gpio: mcp23s08: convert driver to DT
  gpio/omap: force restore if context loss is not detectable
  gpio/omap: optimise interrupt service routine
  gpio/omap: remove extra context restores in *_runtime_resume()
  gpio/omap: free irq domain in probe() failure paths
  gpio: gpio-generic: Add 16 and 32 bit big endian byte order support
  gpio: samsung: Add terminating entry for exynos_pinctrl_ids
  gpio: mvebu: add dbg_show function
  MAX7301 GPIO: Do not force SPI speed when using OF Platform
  gpio: gpio-tps65910.c: fix checkpatch error
  gpio: gpio-timberdale.c: fix checkpatch error
  gpio: gpio-tc3589x.c: fix checkpatch errors
  gpio: gpio-stp-xway.c: fix checkpatch error
  gpio: gpio-sch.c: fix checkpatch error
  ...
2013-05-06 15:40:55 -07:00
Linus Torvalds d7ab7302f9 For 3.10 we have a few new MFD drivers for:
- The ChromeOS embedded controller which provides keyboard, battery and power
   management services. This controller is accessible through i2c or SPI.
 
 - Silicon Laboratories 476x controller, providing access to their FM chipset
   and their audio codec.
 
 - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based reader.
 
 - Nokia's Tahvo power button and watchdog device. This device is very similar
   to Retu and is thus supported by the same code base.
 
 - STMicroelectronics STMPE1801, a keyboard and GPIO controller supported by
   the stmpe driver.
 
 - ST-Ericsson AB8540 and AB8505 power management and voltage converter
   controllers through the existing ab8500 code.
 
 Some other drivers got cleaned up or improved. In particular:
 
 - The Linaro/STE guys got the ab8500 driver in sync with their internal code
   through a series of optimizations, fixes and improvements.
 
 - The AS3711 and OMAP USB drivers now have DT support.
 
 - The arizona clock and interrupt handling code got improved.
 
 - The wm5102 register patch and boot mechanism also got improved.
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Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next

Pull MFD update from Samuel Ortiz:
 "For 3.10 we have a few new MFD drivers for:

   - The ChromeOS embedded controller which provides keyboard, battery
     and power management services.  This controller is accessible
     through i2c or SPI.

   - Silicon Laboratories 476x controller, providing access to their FM
     chipset and their audio codec.

   - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
     reader.

   - Nokia's Tahvo power button and watchdog device.  This device is
     very similar to Retu and is thus supported by the same code base.

   - STMicroelectronics STMPE1801, a keyboard and GPIO controller
     supported by the stmpe driver.

   - ST-Ericsson AB8540 and AB8505 power management and voltage
     converter controllers through the existing ab8500 code.

  Some other drivers got cleaned up or improved.  In particular:

   - The Linaro/STE guys got the ab8500 driver in sync with their
     internal code through a series of optimizations, fixes and
     improvements.

   - The AS3711 and OMAP USB drivers now have DT support.

   - The arizona clock and interrupt handling code got improved.

   - The wm5102 register patch and boot mechanism also got improved."

* tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
  mfd: si476x: Don't use 0bNNN
  mfd: vexpress: Handle pending config transactions
  mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
  mfd: si476x: Fix i2c warning
  mfd: si476x: Add header files and Kbuild plumbing
  mfd: si476x: Add chip properties handling code
  mfd: si476x: Add the bulk of the core driver
  mfd: si476x: Add commands abstraction layer
  mfd: rtsx: Support RTS5249
  mfd: retu: Add Tahvo support
  mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
  mfd: wm8994: Add some OF properties
  mfd: wm8994: Add device ID data to WM8994 OF device IDs
  input: Export matrix_keypad_parse_of_params()
  mfd: tps65090: Add compatible string for charger subnode
  mfd: db8500-prcmu: Support platform dependant device selection
  mfd: syscon: Fix warnings when printing resource_size_t
  of: Add stub of_get_parent for non-OF builds
  mfd: omap-usb-tll: Convert to devm_ioremap_resource()
  mfd: omap-usb-host: Convert to devm_ioremap_resource()
  ...
2013-05-05 17:36:20 -07:00
Linus Torvalds 150a8dcf10 ARM: arm-soc board specific changes for 3.10, part 1
These changes are all for board specific files. These used to make up a
 large portion of the ARM changes in the past, but as we are generalizing
 the support and moving to device tree probing, this has gotten
 significantly smaller. The only platform actually adding new code here
 at the moment is Renesas shmobile, as they are still busy converting
 their code to device tree and have not come far enough to not need it.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC board specific changes (part 1) from Olof Johansson:
 "These changes are all for board specific files.  These used to make up
  a large portion of the ARM changes in the past, but as we are
  generalizing the support and moving to device tree probing, this has
  gotten significantly smaller.

  The only platform actually adding new code here at the moment is
  Renesas shmobile, as they are still busy converting their code to
  device tree and have not come far enough to not need it."

* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  ARM: msm: USB_MSM_OTG needs USB_PHY
  ARM: davinci: da850 evm: fix const qualifier placement
  ARM: davinci: da850 board: add remoteproc support
  ARM: pxa: move debug uart code
  ARM: pxa: select PXA935 on saar & tavorevb
  ARM: mmp: add more compatible names in gpio driver
  ARM: pxa: move PXA_GPIO_TO_IRQ macro
  ARM: pxa: remove cpu_is_xxx in gpio driver
  ARM: Kirkwood: update Network Space Mini v2 description
  ARM: Kirkwood: DT board setup for CloudBox
  ARM: Kirkwood: sort board entries by ASCII-code order
  ARM: OMAP: board-4430sdp: Provide regulator to pwm-backlight
  ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
  ARM: OMAP2+: omap2plus_defconfig: Add support for BMP085 pressure sensor
  omap2+: Remove useless Makefile line
  omap2+: Remove useless Makefile line
  ARM: OMAP: RX-51: add missing regulator supply definitions for lis3lv02d
  ARM: OMAP1: fix omap_udc registration
  ARM: davinci: use is IS_ENABLED macro
  ARM: kirkwood: add MACH_GURUPLUG_DT to defconfig
  ...
2013-05-04 12:34:30 -07:00
Linus Torvalds 6fa52ed33b ARM: arm-soc driver changes for 3.10
This is a rather large set of patches for device drivers that for one
 reason or another the subsystem maintainer preferred to get merged
 through the arm-soc tree. There are both new drivers as well as
 existing drivers that are getting converted from platform-specific
 code into standalone drivers using the appropriate subsystem
 specific interfaces.
 
 In particular, we can now have pinctrl, clk, clksource and irqchip
 drivers in one file per driver, without the need to call into
 platform specific interface, or to get called from platform specific
 code, as long as all information about the hardware is provided
 through a device tree.
 
 Most of the drivers we touch this time are for clocksource. Since
 now most of them are part of drivers/clocksource, I expect that we
 won't have to touch these again from arm-soc and can let the
 clocksource maintainers take care of these in the future.
 
 Another larger part of this series is specific to the exynos platform,
 which is seeing some significant effort in upstreaming and
 modernization of its device drivers this time around, which
 unfortunately is also the cause for the churn and a lot of the
 merge conflicts.
 
 There is one new subsystem that gets merged as part of this series:
 the reset controller interface, which is a very simple interface
 for taking devices on the SoC out of reset or back into reset.
 Patches to use this interface on i.MX follow later in this merge
 window, and we are going to have other platforms (at least tegra
 and sirf) get converted in 3.11. This will let us get rid of
 platform specific callbacks in a number of platform independent
 device drivers.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Olof Johansson:
 "This is a rather large set of patches for device drivers that for one
  reason or another the subsystem maintainer preferred to get merged
  through the arm-soc tree.  There are both new drivers as well as
  existing drivers that are getting converted from platform-specific
  code into standalone drivers using the appropriate subsystem specific
  interfaces.

  In particular, we can now have pinctrl, clk, clksource and irqchip
  drivers in one file per driver, without the need to call into platform
  specific interface, or to get called from platform specific code, as
  long as all information about the hardware is provided through a
  device tree.

  Most of the drivers we touch this time are for clocksource.  Since now
  most of them are part of drivers/clocksource, I expect that we won't
  have to touch these again from arm-soc and can let the clocksource
  maintainers take care of these in the future.

  Another larger part of this series is specific to the exynos platform,
  which is seeing some significant effort in upstreaming and
  modernization of its device drivers this time around, which
  unfortunately is also the cause for the churn and a lot of the merge
  conflicts.

  There is one new subsystem that gets merged as part of this series:
  the reset controller interface, which is a very simple interface for
  taking devices on the SoC out of reset or back into reset.  Patches to
  use this interface on i.MX follow later in this merge window, and we
  are going to have other platforms (at least tegra and sirf) get
  converted in 3.11.  This will let us get rid of platform specific
  callbacks in a number of platform independent device drivers."

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits)
  irqchip: s3c24xx: add missing __init annotations
  ARM: dts: Disable the RTC by default on exynos5
  clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3}
  ARM: exynos: restore mach/regs-clock.h for exynos5
  clocksource: exynos_mct: fix build error on non-DT
  pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()
  irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
  reset: NULL deref on allocation failure
  reset: Add reset controller API
  dt: describe base reset signal binding
  ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
  ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
  ARM: EXYNOS: Enable PMUs for exynos4
  irqchip: exynos-combiner: Correct combined IRQs for exynos4
  irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
  ARM: EXYNOS: fix compilation error introduced due to common clock migration
  clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3}
  clk: exynos4: export clocks required for fimc-is
  clk: samsung: Fix compilation error
  clk: tegra: fix enum tegra114_clk to match binding
  ...
2013-05-04 12:31:18 -07:00
Linus Torvalds 97b1007a29 ARM: arm-soc platform updates for 3.10, part 1
This branch contains platform updates for 3.10. Among the highlights:
 
 - Support for the new Atmel Cortex-A5 based platforms (SAMA5D3)
 - New support for CSR SiRFatlas6 SoCs
 - A handful of updates for NVidia T114 (a.k.a. Tegra 4)
 - A bunch of updates for the shmobile platforms
 - A handful of updates for davinci
 - A few updates for Qualcomm MSM
 - Plus a handful of other patches, defconfig updates, etc.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "This branch contains part 1 of the platform updates for 3.10.  Among
  the highlights:

   - Support for the new Atmel Cortex-A5 based platforms (SAMA5D3)
   - New support for CSR SiRFatlas6 SoCs
   - A handful of updates for NVidia T114 (a.k.a. Tegra 4)
   - A bunch of updates for the shmobile platforms
   - A handful of updates for davinci
   - A few updates for Qualcomm MSM
   - Plus a handful of other patches, defconfig updates, etc."

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (135 commits)
  ARM: tegra: pm: fix build error w/o PM_SLEEP
  ARM: davinci: ensure global variables are declared
  ARM: davinci: sram.c: fix incorrect type in assignment
  ARM: davinci: da8xx dt: make file local symbols static
  ARM: davinci: da8xx: add remoteproc support
  ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries
  ARM: socfpga: Add clock entries into device tree
  ARM: socfpga: Enable soft reset
  ARM: EXYNOS: replace cpumask by the corresponding macro
  ARM: EXYNOS: handle properly the return values
  ARM: EXYNOS: factor out the idle states
  ARM: OMAP4: Enable fix for Cortex-A9 erratas
  ARM: OMAP2+: Export SoC information to userspace
  ARM: OMAP2+: SoC name and revision unification
  ARM: OMAP2+: Move common part of late init into common function
  ARM: tegra: pm: remove duplicated include from pm.c
  ARM: davinci: da850: override mmc DT node device name
  ARM: davinci: da850: add mmc DT entries
  mmc: davinci_mmc: add DT support
  ARM: SAMSUNG: check processor type before cache restoration in resume
  ...
2013-05-02 09:31:45 -07:00
Linus Torvalds a7726350e0 ARM: arm-soc cleanup for 3.10
Here is a collection of cleanup patches. Among the pieces that stand out are:
 
 - The deletion of h720x platforms
 - Split of at91 non-dt platforms to their own Kconfig file to keep them separate
 - General cleanups and refactoring of i.MX and MXS platforms
 - Some restructuring of clock tables for OMAP
 - Convertion of PMC driver for Tegra to dt-only
 - Some renames of sunxi -> sun4i (Allwinner A10)
 - ... plus a bunch of other stuff that I haven't mentioned
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanup from Olof Johansson:
 "Here is a collection of cleanup patches.  Among the pieces that stand
  out are:

   - The deletion of h720x platforms
   - Split of at91 non-dt platforms to their own Kconfig file to keep
     them separate
   - General cleanups and refactoring of i.MX and MXS platforms
   - Some restructuring of clock tables for OMAP
   - Convertion of PMC driver for Tegra to dt-only
   - Some renames of sunxi -> sun4i (Allwinner A10)
   - ... plus a bunch of other stuff that I haven't mentioned"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
  ARM: i.MX: remove unused ARCH_* configs
  ARM i.MX53: remove platform ahci support
  ARM: sunxi: Rework the restart code
  irqchip: sunxi: Rename sunxi to sun4i
  irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
  clocksource: sunxi: Rename sunxi to sun4i
  clocksource: sunxi: make use of CLKSRC_OF
  clocksource: sunxi: Cleanup the timer code
  ARM: at91: remove trailing semicolon from macros
  ARM: at91/setup: fix trivial typos
  ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
  ARM: EXYNOS: change the name of USB ohci header
  ARM: SAMSUNG: Remove unnecessary code for dma
  ARM: S3C24XX: Remove unused GPIO drive strength register definitions
  ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
  ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
  ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
  ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
  ...
2013-05-02 09:03:55 -07:00
Linus Torvalds 000a74f41e These are the pinctrl changes for v3.10:
- Patrice Chotard contributed a new configuration debugfs interface
   and reintroduced fine-grained locking into the core: instead of
   having a "big pinctrl lock" we have a per-controller lock and
   specialized locks for the global controller and pinctrl handle
   lists.
 - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
   replaced them with pinctrl-single (which is also used by other SoCs)
   so we are gaining consolidation. The platform particulars now come
   in through the device tree.
 - Haoijan also added support for generic pin config into the
   pinctrl-single driver which is another big consolidation win.
 - Finally also GPIO ranges are now supported by the pinctrl-single
   driver.
 - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
   more of the older Samsung platforms under the pinctrl umbrella and
   out of arch/arm.
 - Maxime Ripard contributed new Allwinner A10/A13 drivers.
 - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups.
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Merge tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl update from Linus Walleij:
 "These are the pinctrl changes for v3.10:

   - Patrice Chotard contributed a new configuration debugfs interface
     and reintroduced fine-grained locking into the core: instead of
     having a "big pinctrl lock" we have a per-controller lock and
     specialized locks for the global controller and pinctrl handle
     lists.

   - Haoijan Zhuang deleted all the PXA and MMP2 pinctrl drivers and
     replaced them with pinctrl-single (which is also used by other
     SoCs) so we are gaining consolidation.  The platform particulars
     now come in through the device tree.

   - Haoijan also added support for generic pin config into the
     pinctrl-single driver which is another big consolidation win.

   - Finally also GPIO ranges are now supported by the pinctrl-single
     driver.

   - Tomasz Figa contributed a new Samsung S3C pinctrl driver, bringing
     more of the older Samsung platforms under the pinctrl umbrella and
     out of arch/arm.

   - Maxime Ripard contributed new Allwinner A10/A13 drivers.

   - Sachin Kamat, Wei Yongjun and Axel Lin did a lot of cleanups."

* tag 'pinctrl-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (66 commits)
  pinctrl: move subsystem mutex to pinctrl_dev struct
  pinctrl/pinconfig: fix misplaced goto
  pinctrl: s3c64xx: Fix build error caused by undefined chained_irq_enter
  pinctrl/pinconfig: add debug interface
  pinctrl: abx500: fix issue when no pdata
  pinctrl: pinctrl-single: add missing double quote
  pinctrl: sunxi: Rename wemac functions to emac
  pinctrl: exynos5440: add gpio interrupt support
  pinctrl: exynos5440: fix probe failure due to missing pin-list in config nodes
  pinctrl: ab8505: Staticize some symbols
  pinctrl: ab8540: Staticize some symbols
  pinctrl: ab9540: Staticize some symbols
  pinctrl: ab8500: Staticize some symbols
  pinctrl: abx500: Staticize some symbols
  pinctrl: Add pinctrl-s3c64xx driver
  pinctrl: samsung: Handle banks with two configuration registers
  pinctrl: samsung: Remove hardcoded register offsets
  pinctrl: samsung: Split pin bank description into two structures
  pinctrl: samsung: Include pinctrl-exynos driver data conditionally
  pinctrl: samsung: Protect bank registers with a spinlock
  ...
2013-04-29 09:40:35 -07:00
Olof Johansson e0d20b69d3 Merge branch 'gic/cleanup' into next/soc
Merge in the gic cleanup since it has a handful of annoying internal conflicts
with soc development branches. All of them are delete/delete conflicts.

* gic/cleanup:
  irqchip: vic: add include of linux/irq.h
  irqchip: gic: Perform the gic_secondary_init() call via CPU notifier
  irqchip: gic: Call handle_bad_irq() directly
  arm: Move chained_irq_(enter|exit) to a generic file
  arm: Move the set_handle_irq and handle_arch_irq declarations to asm/irq.h

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/mach-shmobile/smp-emev2.c
	arch/arm/mach-shmobile/smp-r8a7779.c
	arch/arm/mach-shmobile/smp-sh73a0.c
	arch/arm/mach-socfpga/platsmp.c
2013-04-28 15:06:56 -07:00
Olof Johansson afcf7924ec Merge branch 'fixes' into next/cleanup
Merging in fixes since there's a conflict in the omap4 clock tables caused by
it.

* fixes: (245 commits)
  ARM: highbank: fix cache flush ordering for cpu hotplug
  ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock
  arm: mvebu: Fix the irq map function in SMP mode
  Fix GE0/GE1 init on ix2-200 as GE0 has no PHY
  ARM: S3C24XX: Fix interrupt pending register offset of the EINT controller
  ARM: S3C24XX: Correct NR_IRQS definition for s3c2440
  ARM i.MX6: Fix ldb_di clock selection
  ARM: imx: provide twd clock lookup from device tree
  ARM: imx35 Bugfix admux clock
  ARM: clk-imx35: Bugfix iomux clock
  + Linux 3.9-rc6

Signed-off-by: Olof Johansson <olof@lixom.net>

Conflicts:
	arch/arm/mach-omap2/cclock44xx_data.c
2013-04-28 15:01:12 -07:00
Olof Johansson 340fcb5cb4 Merge branch 'samsung/exynos-multiplatform' into next/drivers
This merges in the revert of multiplatform support for exynos.

Trivial conflicts on removed code. Also, needed to add "select COMMON_CLK"
to the non-multiplatform EXYNOS config option.

* samsung/exynos-multiplatform:
  Revert "ARM: exynos: enable multiplatform support"

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-26 11:47:45 -07:00
Olof Johansson 4923ee444a Revert "ARM: exynos: enable multiplatform support"
This reverts commit bd51de53e1.

Turns out that multiplatform breaks some uses cases, such as when you
have an existing defconfig, since it adds the new EXYNOS_SINGLE config
option as a dependecy. As a result, nearly all exynos config options
will be disabled by default.

Reverting instead of rebasing since this branch is pulled in as a
dependency elsewhere.

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-26 11:35:51 -07:00
Andreas Larsson 08ffb2229f gpio: grgpio: Add irq support
The drivers sets up an irq domain and hands out unique irqs to irq
capable gpio lines regardless of how underlying irq maps to gpio
lines. Any gpio line can map to any one or none of the irqs of the
core, independently of each other.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-26 08:52:38 +02:00
Andreas Larsson ddb27f3bf7 gpio: grgpio: Add device driver for GRGPIO cores
This driver supports GRGPIO gpio cores available in the GRLIB VHDL IP
core library from Aeroflex Gaisler.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-26 08:50:27 +02:00
Linus Walleij cf3fa17c20 Revert "gpio: pxa: set initcall level to module init"
This reverts commit 6c7e660a27.

The commit causes breakage on several older PXA machines.

Reported-by: Mike Dunn <mikedunn@newsguy.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-24 21:42:24 +02:00
Arnd Bergmann 0dc488e778 Merge branch 'samsung/exynos-multiplatform' into next/drivers
Merging this into the next/drivers branch avoids a number of
pointless conflicts with code changed here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-19 16:50:56 +02:00
Arnd Bergmann bd51de53e1 ARM: exynos: enable multiplatform support
This makes it possible to enable the exynos platform as part of a
multiplatform kernel, in addition to keeping the single-platform
exynos support.

The multiplatform variant has a number of limitations at the moment:

* It only supports DT-enabled machines. This is not a problem in
  the long run, as non-DT machines for exynos are going away.
  The main problem here is that the gpio code and the exynos_eint
  irqchip are not multiplatform capable but still required for
  ATAGS based boot.
* The watchdog driver is still missing a conversion.
* sparsemem and memory_holes are currently not supported in
  multiplatform.

The the multiplatform aware ARCH_EXYNOS Kconfig symbol is disabled
for now, as dependent patches are still pending in other
subsystem trees. We will enable it once everything comes together.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-19 13:51:26 +02:00
Marek Vasut 360e64d8bb mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-19 00:40:07 +02:00
Alexandre Courbot 7fd2bf3d32 Remove GENERIC_GPIO config option
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code
and all driver code has been switch to depend on GPIOLIB. It is thus
safe to have GENERIC_GPIO removed.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-16 18:47:19 +09:00
Olof Johansson 5ed3ebe3be Cleanups for MSM for 3.10
These are some patches for various parts of MSM that gradually bring
 us closer to being part of single zimage.
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Merge tag 'msm-cleanup-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup

From David Brown:
Cleanups for MSM for 3.10

These are some patches for various parts of MSM that gradually bring
us closer to being part of single zimage.

* tag 'msm-cleanup-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  ARM: msm: Remove unused cpu.h header file
  gpio: Make gpio-msm-v1 into a platform driver
  mmc: msm_sdcc: Remove unnecessary include
  ARM: msm: Move dma.h #defines that are private to dma.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-14 20:41:39 -07:00
Mika Westerberg 12028d2d21 gpiolib-acpi: introduce acpi_get_gpio_by_index() helper
Instead of open-coding ACPI GPIO resource lookup in each driver, we provide
a helper function analogous to Device Tree version that allows drivers to
specify which GPIO resource they are interested (using an index to the GPIO
resources). The function then finds out the correct resource, translates
the ACPI GPIO number to the corresponding Linux GPIO number and returns
that.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-12 00:31:18 +02:00
Alexander Shiyan 2ce7c62d1b GPIO: gpio-generic: remove kfree() from bgpio_remove call
Memory for basic-mmio-gpio driver is allocated by the driver
using it, whether it's the generic GPIO driver itself or another
driver. In either case, the owner shall allocate and free the
struct bgpio_chip it is using, preferably using a managed
resource.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-11 19:33:54 +02:00
Alexandre Belloni e7a7f972f9 gpio: pca953x: fix irq_domain_add_simple usage
We actually have to pass chip as the host_data parameter of
irq_domain_add_simple() as later on, it is used to initialize chip_data
in pca953x_gpio_irq_map(). Failing to do so is leading to a NULL pointer
dereference after calling irq_data_get_irq_chip_data() in
pca953x_irq_mask(), pca953x_irq_unmask(), pca953x_irq_bus_lock(),
pca953x_irq_bus_sync_unlock() and pca953x_irq_set_type().

Fixes regression introduced by commit
0e8f2fdacf (gpio: pca953x: use simple
irqdomain)

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-11 19:01:19 +02:00
Olof Johansson 70384d3f12 Merge branch 'armsoc/pxa' of git://github.com/hzhuang1/linux into next/boards
A series dealing with gpio configuration cleanup from Haojian Zhuang.

* 'armsoc/pxa' of git://github.com/hzhuang1/linux:
  ARM: pxa: move debug uart code
  ARM: pxa: select PXA935 on saar & tavorevb
  ARM: mmp: add more compatible names in gpio driver
  ARM: pxa: move PXA_GPIO_TO_IRQ macro
  ARM: pxa: remove cpu_is_xxx in gpio driver

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-11 02:56:18 -07:00
Haojian Zhuang f87311743e ARM: mmp: add more compatible names in gpio driver
Since more driver names are added into platform id, do the same thing on
compatible names for DT mode.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-11 10:00:34 +08:00
Haojian Zhuang b8f649f1f5 ARM: pxa: move PXA_GPIO_TO_IRQ macro
Since PXA_GPIO_TO_IRQ() & MMP_GPIO_TO_IRQ() macro are depended on
arch code, move them from gpio driver to platform driver instead.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-11 10:00:05 +08:00
Haojian Zhuang 2cab029228 ARM: pxa: remove cpu_is_xxx in gpio driver
Avoid to use cpu_is_xxx() in pxa gpio driver. Use platform_device_id
to identify the difference.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-11 09:59:23 +08:00
Rafael J. Wysocki 7fc7acb9a0 gpio / ACPI: Handle ACPI events in accordance with the spec
Commit 0d1c28a (gpiolib-acpi: Add ACPI5 event model support to gpio.)
that added support for ACPI events signalled through GPIO interrupts
covered only GPIO pins whose numbers are less than or equal to 255.
However, there may be GPIO pins with numbers greater than 255 and
the ACPI spec (ACPI 5.0, Section 5.6.5.1) requires the _EVT method
to be used for handling events corresponding to those pins.

Moreover, according to the spec, _EVT is the default mechanism
for handling all ACPI events signalled through GPIO interrupts,
so if the _Exx/_Lxx method is not present for the given pin,
_EVT should be used instead.  If present, though, _Exx/_Lxx take
precedence over _EVT which shouldn't be executed in that case
(ACPI 5.0, Section 5.6.5.3).

Modify acpi_gpiochip_request_interrupts() to follow the spec as
described above and add acpi_gpiochip_free_interrupts() needed
to free interrupts associated with _EVT.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:17 +02:00
Axel Lin fdc7a9f85a gpio: lpc32xx: Fix off-by-one valid range checking for bank
The valid bank should be 0 ... ARRAY_SIZE(lpc32xx_gpiochip) - 1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:17 +02:00
Lars Poeschel 97ddb1c88b gpio: mcp23s08: convert driver to DT
This converts the mcp23s08 driver to be able to be used with
device tree.

There is a "spi-present-mask" device tree property, that allows to
use multiple of this spi chips on the same chipselect.

v4:
- removed the ability to specify the pullup from device tree
- updated binding doc

v3:
- removed mcp,chips device tree property in favour of a
    mcp,spi-present-mask and a flag for the pullup of every gpio
- seperated the match table. Now there is one for i2c and one for spi
- do the of reading stuff on stack of the probe function - no devm
    any more

v2:
- squashed booth patches together
- fixed build warning, when CONFIG_OF is not defined
- use of_match_ptr macro for of_match_table

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:17 +02:00
Jon Hunter a2797beadf gpio/omap: force restore if context loss is not detectable
When booting with device-tree the function pointer for detecting context
loss is not populated. Ideally, the pm_runtime framework should be
enhanced to allow a means for reporting context/state loss and we could
avoid populating such function pointers altogether. In the interim until
a generic non-device specific solution is in place, force a restore of
the gpio bank when enabling the gpio controller.

Adds a new device-tree property for the OMAP GPIO controller to indicate
if the GPIO controller is located in a power-domain that never loses
power and hence will always maintain its logic state.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:16 +02:00
Jon Hunter 3513cdeccc gpio/omap: optimise interrupt service routine
The OMAP GPIO interrupt service routine is checking each bit in the
GPIO interrupt status register to see which bits are set. It is not
efficient to check every bit especially if only a few bits are set.
Therefore, instead of checking every bit use the __ffs() function,
which returns the location of the first set bit, to find all the set
bits.

This optimisation was suggested-by and developed in collaboration
with Felipe Balbi.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:16 +02:00
Tarun Kanti DebBarma 60b18b9aa4 gpio/omap: remove extra context restores in *_runtime_resume()
68942edb09 (gpio/omap: fix wakeups
on level-triggered GPIOs) already restores the fallingdetect and
risingdetect contexts in *_runtime_resume(). These registers were
modified in *_runtime_suspend() to include even those configured
as level-triggered since only edge-triggered gpios can generate
wakeup events. Therefore, the old context restores of the same
registers present later in the code is not needed any more.
Remove them.

Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:16 +02:00
Jon Hunter 879fe32438 gpio/omap: free irq domain in probe() failure paths
Currently the IRQ domain is not freed once allocated, in the case where
omap_gpio_probe() fails. Therefore, ensure we free the domain if the
probe does fail. Furthermore, the local variable "ret" is not needed
and so remove this.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:16 +02:00
Andreas Larsson 2b78f1e138 gpio: gpio-generic: Add 16 and 32 bit big endian byte order support
There is no general support for 64-bit big endian accesses, so that is
left unsupported.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-10 23:41:16 +02:00
Arnd Bergmann 1194b152cd Merge branch 'tegra/soc' into next/drivers
This is a dependency for the tegra/clk branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Conflicts:
	drivers/clocksource/tegra20_timer.c
2013-04-09 17:07:36 +02:00
Arnd Bergmann b8250dc419 Changes needed for enabling SOC_BUS for the SoC revision
information. Also enable few HW errata workarounds for omap4.
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Merge tag 'omap-for-v3.10/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

From Tony Lindgren <tony@atomide.com>:

Changes needed for enabling SOC_BUS for the SoC revision
information. Also enable few HW errata workarounds for omap4.

* tag 'omap-for-v3.10/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (236 commits)
  ARM: OMAP4: Enable fix for Cortex-A9 erratas
  ARM: OMAP2+: Export SoC information to userspace
  ARM: OMAP2+: SoC name and revision unification
  ARM: OMAP2+: Move common part of late init into common function

Includes an update to Linux 3.9-rc6

Conflicts:
	arch/arm/mach-omap2/cclock44xx_data.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 16:40:45 +02:00
Arnd Bergmann 6cd2f8e7da ARM: tegra: core SoC support development
This branch includes major development on the core Tegra SoC support code
 in the mach-tegra directory:
 
 * SMP support for Tegra114.
 * Exposes SoC chip ID and revision through standard sysfs files.
 * System-level suspend/resume for Tegra20/30. At present, this only
   supports "LP2" mode (CPU power-down), but provides the basis to
   implement "LP0"/"LP1" (various levels of core/chip power-down) in the
   hopefully near future.
 * A minor cleanup of a duplicate include, which was introduced in this
   branch.
 
 This branch is based on the previous cleanup pull request.
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Merge tag 'tegra-for-3.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc

From Stephen Warren <swarren@wwwdotorg.org>:

ARM: tegra: core SoC support development

This branch includes major development on the core Tegra SoC support code
in the mach-tegra directory:

* SMP support for Tegra114.
* Exposes SoC chip ID and revision through standard sysfs files.
* System-level suspend/resume for Tegra20/30. At present, this only
  supports "LP2" mode (CPU power-down), but provides the basis to
  implement "LP0"/"LP1" (various levels of core/chip power-down) in the
  hopefully near future.
* A minor cleanup of a duplicate include, which was introduced in this
  branch.

This branch is based on the previous cleanup pull request.

* tag 'tegra-for-3.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: pm: remove duplicated include from pm.c
  ARM: tegra: cpuidle: remove redundant parameters for powered-down mode
  ARM: tegra: pm: add platform suspend support
  ARM: dt: tegra: add bindings of power management configurations for PMC
  ARM: tegra: irq: add wake up handling
  gpio: tegra: add gpio wakeup source handling
  ARM: tegra: moving the CPU power timer function to PMC driver
  ARM: tegra: add clock source of PMC to device trees
  ARM: tegra: add speedo-based process id for Tegra114
  ARM: tegra: expose chip ID and revision
  ARM: tegra: bring up secondary CPU for Tegra114

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 16:32:20 +02:00
Arnd Bergmann 44c0d23775 Linux 3.9-rc5
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Merge tag 'v3.9-rc5' into next/cleanup

This is a dependency for the mxs/cleanup branch.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 15:29:43 +02:00
Arnd Bergmann 67028154be Board related changes for v3.10 merge window. These are pretty
much all non-critical fixes for platform device initialization
 that will be needed until we can drop the board-*.c files and
 move to DT based boot.
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Merge tag 'omap-for-v3.10/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

From Tony Lindgren <tony@atomide.com>:

Board related changes for v3.10 merge window. These are pretty
much all non-critical fixes for platform device initialization
that will be needed until we can drop the board-*.c files and
move to DT based boot.

* tag 'omap-for-v3.10/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: board-4430sdp: Provide regulator to pwm-backlight
  ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
  ARM: OMAP2+: omap2plus_defconfig: Add support for BMP085 pressure sensor
  omap2+: Remove useless Makefile line
  omap2+: Remove useless Makefile line
  ARM: OMAP: RX-51: add missing regulator supply definitions for lis3lv02d
  ARM: OMAP1: fix omap_udc registration

Includes an update to Linux 3.9-rc6

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 13:51:48 +02:00
Arnd Bergmann 21cb7963aa v3.10 board updates for DaVinci
This pull request enables CGROUPS in defconfig and also
 cleans up mach-davinci to use IS_ENABLED() macro.
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Merge tag 'davinci-for-v3.10/board' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/boards

From Sekhar Nori <nsekhar@ti.com>:

v3.10 board updates for DaVinci

This pull request enables CGROUPS in defconfig and also
cleans up mach-davinci to use IS_ENABLED() macro.

* tag 'davinci-for-v3.10/board' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: use is IS_ENABLED macro
  ARM: davinci: defconfig: enable CGROUPS

Includes an update to v3.9-rc3

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 13:50:15 +02:00
Arnd Bergmann dc2d3db813 Clean-up for omap2+ timers from Jon Hunter <jon-hunter@ti.com>:
This series consists mainly of clean-ups for clockevents and
 clocksource timers on OMAP2+ devices. The most significant change
 in functionality comes from the 5th patch which is changing the
 selection of the clocksource timer for OMAP3 and AM335x devices
 when gptimers are used for clocksource.
 
 Note that this series depends on 7185684 (ARM: OMAP: use
 consistent error checking) in RMK's tree and 960cba6 (ARM:
 OMAP5: timer: Update the clocksource name as per clock data)
 in omap-for-v3.10/fixes-non-critical. So this branch is based
 on a merge of 7185684 and omap-for-v3.10/fixes-non-critical
 to avoid non-trivial merge conflicts.
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Merge tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

From Tony Lindgren <tony@atomide.com>:

Clean-up for omap2+ timers from Jon Hunter <jon-hunter@ti.com>:

This series consists mainly of clean-ups for clockevents and
clocksource timers on OMAP2+ devices. The most significant change
in functionality comes from the 5th patch which is changing the
selection of the clocksource timer for OMAP3 and AM335x devices
when gptimers are used for clocksource.

Note that this series depends on 7185684 (ARM: OMAP: use
consistent error checking) in RMK's tree and 960cba6 (ARM:
OMAP5: timer: Update the clocksource name as per clock data)
in omap-for-v3.10/fixes-non-critical. So this branch is based
on a merge of 7185684 and omap-for-v3.10/fixes-non-critical
to avoid non-trivial merge conflicts.

* tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4+: Fix sparse warning in system timers
  ARM: OMAP2+: Store ID of system timers in timer structure
  ARM: OMAP3: Update clocksource timer selection
  ARM: OMAP2+: Simplify system timers definitions
  ARM: OMAP2+: Simplify system timer clock definitions
  ARM: OMAP2+: Remove hard-coded test on timer ID
  ARM: OMAP2+: Display correct system timer name
  ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS"
  ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD"
  ARM: OMAP: dpll: enable bypass clock only when attempting dpll bypass
  ARM: OMAP2+: powerdomain: avoid testing whether an unsigned char is less than 0
  ARM: OMAP2+: hwmod: Remove unused _HWMOD_WAKEUP_ENABLED flag
  ARM: OMAP2+: am335x: Change the wdt1 func clk src to per_32k clk
  ARM: OMAP2+: AM33xx: hwmod: Add missing sysc definition to wdt1 entry

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-08 19:30:48 +02:00
Arnd Bergmann e9069cf8b7 arm: vt8500: Add pinctrl driver for arch-vt8500
This series adds support for the pinctrl/gpio module on all arch-vt8500
 supported SoCs.
 
 As part of the review process, some tidy up is also done to
 drivers/of/base.c to remove some code that is being constantly duplicated.
 
 Also, a patch for the bcm2835 pinctrl driver is included to take advantage
 of the new of/base.c code.
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Merge tag 'vt8500/pinctrl' of git://server.prisktech.co.nz/git/linuxwmt into next/drivers

From Tony Prisk <linux@prisktech.co.nz>:

arm: vt8500: Add pinctrl driver for arch-vt8500

This series adds support for the pinctrl/gpio module on all arch-vt8500
supported SoCs.

As part of the review process, some tidy up is also done to
drivers/of/base.c to remove some code that is being constantly duplicated.

Also, a patch for the bcm2835 pinctrl driver is included to take advantage
of the new of/base.c code.

* tag 'vt8500/pinctrl' of git://server.prisktech.co.nz/git/linuxwmt: (606 commits)
  pinctrl: bcm2835: make use of of_property_read_u32_index()
  gpio: vt8500: Remove arch-vt8500 gpio driver
  arm: vt8500: Remove gpio devicetree nodes
  arm: dts: vt8500: Update Wondermedia SoC dtsi files for pinctrl driver
  pinctrl: gpio: vt8500: Add pincontrol driver for arch-vt8500
  arm: vt8500: Increase available GPIOs on arch-vt8500
  of: Remove duplicated code for validating property and value
  of: Add support for reading a u32 from a multi-value property.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-08 18:26:15 +02:00
Linus Torvalds 8d448270fe Two GPIO fixes for the v3.9 series:
- Fix erroneous return value in the ICH driver
 - Make the STMPE driver proper properly on device tree boots
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Merge tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Two GPIO fixes for the v3.9 series:
   - Fix erroneous return value in the ICH driver
   - Make the STMPE driver proper properly on device tree boots"

* tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: stmpe: pass DT node to irqdomain
  gpio-ich: Fix value returned by ichx_gpio_request
2013-04-04 08:40:14 -07:00
Tony Prisk dc1010860b gpio: vt8500: Remove arch-vt8500 gpio driver
With the move to a combined pinctrl/gpio driver, the arch-vt8500
gpio driver is no longer required.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-04-04 18:00:44 +13:00
Joseph Lo 203f31cb86 gpio: tegra: add gpio wakeup source handling
This patch add the gpio wakeup source handling for the Tegra platform. It
was be done by enabling the irq for the gpio in the gpio controller and
enabling the bank irq of the gpio in the Tegra legacy irq controller when
the system going to suspend.

Based on the work by:
Varun Wadekar <vwadekar@nvidia.com>

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03 14:31:20 -06:00
Linus Walleij 6a7b3e9704 Linux 3.9-rc5
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Merge tag 'v3.9-rc5' into devel

Linux 3.9-rc5

Conflicts:
	drivers/pinctrl/pinconf.c
2013-04-03 22:18:36 +02:00
Olof Johansson 16eaaee4d8 Third round of Renesas ARM SoC board updates for v3.10
Highlights:
 
 * Add Lager board support
 * Add ape6evm board support
 * Add Bock-W board support
 * Mackerel MMCIF/SDHI clean ups
 * Add ethernet support to kzm9g-reference
 
 This pull request is based on a merge of:
 
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux2-for-v3.10
 git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-boards2-for-v3.10
 
 The merge with renesas-pinmux2-for-v3.10 was made to provide
 run-time dependencies for the following changes:
 
 ARM: shmobile: APE6EVM LAN9220 support
 ARM: shmobile: APE6EVM PFC support
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Merge tag 'renesas-boards3-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards2

Third round of  Renesas ARM SoC board updates for v3.10

Highlights:

* Add Lager board support
* Add ape6evm board support
* Add Bock-W board support
* Mackerel MMCIF/SDHI clean ups
* Add ethernet support to kzm9g-reference

This pull request is based on a merge of:

git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-pinmux2-for-v3.10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas renesas-boards2-for-v3.10

The merge with renesas-pinmux2-for-v3.10 was made to provide
run-time dependencies for the following changes:

ARM: shmobile: APE6EVM LAN9220 support
ARM: shmobile: APE6EVM PFC support

* tag 'renesas-boards3-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (307 commits)
  ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
  ARM: shmobile: mackerel: add interrupt names for SDHI0
  ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
  ARM: shmobile: mackerel: remove OCR masks, where regulators are used
  ARM: shmobile: mackerel: SDHI resources do not have to be numbered
  ARM: shmobile: Initial r8a7790 Lager board support
  ARM: shmobile: APE6EVM LAN9220 support
  ARM: shmobile: APE6EVM PFC support
  ARM: shmobile: APE6EVM base support
  ARM: shmobile: kzm9g-reference: add ethernet support
  ARM: shmobile: add R-Car M1A Bock-W platform support
  sh-pfc: r8a73a4: Remove unused GPIO bias data
  ARM: shmobile: r8a73a4: Remove all GPIO enums
  sh-pfc: r8a73a4: Remove function GPIOs
  ARM: shmobile: r8a73a4: Remove IRQC function GPIOs
  ARM: shmobile: r8a73a4: Remove SCIF function GPIOs
  sh-pfc: r8a73a4: Remove IRQC function GPIOS
  sh-pfc: r8a73a4: Remove SCIF function GPIOS
  sh-pfc: r8a73a4: Add IRQC pin groups and functions
  sh-pfc: r8a73a4: Add SCIF pin groups and functions
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-02 23:27:51 -07:00
Laurent Pinchart dc3465a943 gpio-rcar: Add pinctrl support
Register the GPIO pin range, and request and free GPIO pins using the
pinctrl API.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:34 +09:00
Magnus Damm 119f5e448d gpio: Renesas R-Car GPIO driver V3
This patch is V3 of a GPIO driver for the R-Car series of
SoCs from Renesas. This driver is designed to be reusable
between multiple SoCs that share the same basic building block,
but so far it has only been used on R-Car H1 (r8a7779).

Each driver instance handles 32 GPIOs with individually
maskable IRQs. The driver operates on a single I/O memory
range and the 32 GPIOs are hooked up a single interrupt.

In the case of R-Car H1 either external IRQ pins or GPIOs
with interrupts can be used for on-board interupts. For
external IRQs 4 pins are supported, and in the case of GPIO
there are 202 GPIOS as 202 interrupts hooked up via 6 driver
instances and to the GIC and the Cortex-A9 Quad.

At this point this driver is interfacing as a regular
platform device driver. In the future DT support will be
submitted as an incremental feature patch.

Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-04-03 10:30:24 +09:00
Simon Horman 809609a5d8 Merge branch 'soc' into pinmux-base
Conflicts:
	drivers/pinctrl/sh-pfc/pfc-r8a7740.c

This merge is to provide r8a73a4 SoC files, which are added in the
soc branch and depended on by r8a73a4 pfc-changes which are to
be added to the pinmux branch.
2013-04-02 11:08:34 +09:00
Axel Lin 22ce4464fa gpio: pl061: Add pl061_gpio_free()
commit 39b70ee051 "gpio: pl061: bind pinctrl by gpio request"
adds pl061_gpio_request() to request pinctrl.
Thus we need to add corresponding pl061_gpio_free() to free the pin.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 22:51:18 +01:00
Axel Lin 4315844193 gpio: samsung: Add terminating entry for exynos_pinctrl_ids
The of_device_id table is supposed to be zero-terminated.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:19 +01:00
Simon Guinot a4ba5e1b92 gpio: mvebu: add dbg_show function
This patch adds a dedicated dbg_show function to the gpio-mvebu driver.
In addition to the generic gpiolib informations, this function displays
informations related with the specific Marvell registers (blink enable,
data in polarity, interrupt masks and cause).

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:18 +01:00
Christophe Leroy 047b93a359 MAX7301 GPIO: Do not force SPI speed when using OF Platform
The bit_per_word can be set in the OF Device tree, so no need to force it as with
the platform_data when using OF Platform

Signed-off-by: Patrick Vasseur <patrick.vasseur@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:18 +01:00
Laurent Navet 195c65e83c gpio: gpio-tps65910.c: fix checkpatch error
Fix :
 gpio/gpio-tps65910.c:136: ERROR: space required before the open parenthesis '('

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:18 +01:00
Laurent Navet 8a29a40967 gpio: gpio-timberdale.c: fix checkpatch error
Fix :
 gpio/gpio-timberdale.c:171: ERROR: else should follow close brace '}'

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:17 +01:00
Laurent Navet e90c636be6 gpio: gpio-tc3589x.c: fix checkpatch errors
Fix :
 gpio/gpio-tc3589x.c:285: ERROR: code indent should use tabs where possible
 gpio/gpio-tc3589x.c:286: ERROR: code indent should use tabs where possible
 gpio/gpio-tc3589x.c:287: ERROR: code indent should use tabs where possible
 gpio/gpio-tc3589x.c:347: ERROR: code indent should use tabs where possible

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:17 +01:00
Laurent Navet 8ab2a6d20e gpio: gpio-stp-xway.c: fix checkpatch error
Fix :
 gpio/gpio-stp-xway.c:220: ERROR: trailing whitespace

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:16 +01:00
Laurent Navet be41cf589b gpio: gpio-sch.c: fix checkpatch error
Fix :
 gpio/gpio-sch.c:206: ERROR: switch and case should be at the same indent

Also remove blank lines

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:16 +01:00
Laurent Navet e37f4af762 gpio: gpio-pxa.c: fix checkpatch errors
Fix :
 gpio/gpio-pxa.c:605: ERROR: space required after that ',' (ctx:VxV)
 gpio/gpio-pxa.c:672: ERROR: space prohibited after that open parenthesis '('

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:16 +01:00
Laurent Navet 50e44430c6 gpio: gpio-pca953x.c: fix checkpatch error
Fix :
 gpio/gpio-pca953x.c:150: ERROR: else should follow close brace '}'

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:15 +01:00
Laurent Navet e83507b763 gpio: gpio-omap.c: fix checkpatch error
Fix :
 gpio/gpio-omap.c:697: ERROR: space required before the open parenthesis '('

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:15 +01:00
Laurent Navet f4dcd2d941 gpio: gpio-mvebu.c: fix checkpatch errors
Fix :
 gpio/gpio-mvebu.c:120: ERROR: space required before the open parenthesis '('
 gpio/gpio-mvebu.c:136: ERROR: space required before the open parenthesis '('
 gpio/gpio-mvebu.c:154: ERROR: space required before the open parenthesis '('
 gpio/gpio-mvebu.c:404: ERROR: space required before the open parenthesis '('
 gpio/gpio-mvebu.c:476: ERROR: "(foo*)" should be "(foo *)"
 gpio/gpio-mvebu.c:480: ERROR: "(foo*)" should be "(foo *)"
 gpio/gpio-mvebu.c:484: ERROR: "(foo*)" should be "(foo *)"
 gpio/gpio-mvebu.c:512: ERROR: space prohibited after that '!' (ctx:BxW)
 gpio/gpio-mvebu.c:518: ERROR: space prohibited after that '!' (ctx:BxW)
 gpio/gpio-mvebu.c:518: ERROR: space required before the open brace '{'
 gpio/gpio-mvebu.c:563: ERROR: space prohibited after that '!' (ctx:BxW)
 gpio/gpio-mvebu.c:570: ERROR: trailing whitespace
 gpio/gpio-mvebu.c:577: ERROR: space required before the open parenthesis '('
 gpio/gpio-mvebu.c:635: ERROR: space prohibited after that '!' (ctx:BxW)

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:14 +01:00
Laurent Navet 9ccb1a26ce gpio: gpiolib-of.c: fix checkpatch error
Fix :
 gpio/gpiolib-of.c:64: ERROR: code indent should use tabs where possible

Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:14 +01:00
Jingoo Han 493294d4a8 gpio: mc33880: use spi_get_drvdata() and spi_set_drvdata()
Use the wrapper functions for getting and setting the driver data
using spi_device instead of using dev_{get|set}_drvdata with
&spi->dev, so we can directly pass a struct spi_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:14 +01:00
Jingoo Han 6c0cf42be3 gpio: 74x164: use spi_get_drvdata() and spi_set_drvdata()
Use the wrapper functions for getting and setting the driver data
using spi_device instead of using dev_{get|set}_drvdata with
&spi->dev, so we can directly pass a struct spi_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:13 +01:00
Jingoo Han 30db2bd1c8 gpio: mc33880: use dev_err() instead of printk()
dev_err() is more preferred than printk().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:13 +01:00
Jingoo Han f39f54af03 gpio: pcf857x: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:12 +01:00
Jingoo Han 632d8e55d1 gpio: mc33880: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:12 +01:00
Jingoo Han b09638a4d6 gpio: max732x: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:11 +01:00
Jingoo Han 4cb06cd58c gpio: max7301: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:11 +01:00
Jingoo Han c3fe2bf491 gpio: max7300: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:11 +01:00
Jingoo Han 24bb3813d5 gpio: adp5520: use devm_kzalloc()
Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:10 +01:00
Sachin Kamat 808c513ee6 gpio/vt8500: Convert to devm_ioremap_resource()
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages; so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:10 +01:00
Magnus Damm 1cfe6f8cb1 gpio: em: Make use of devm functions
Update the Emma Mobile GPIO driver to make use of devm
functions. This simplifies the error handling and makes
the code more compact.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:09 +01:00
Mathias Nyman 977d16b87a gpio-lynxpoint: Add X86 dependency and io-port handling header.
Lynxpoint gpio driver uses X86 specific io-ports to control gpios

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:09 +01:00
Mika Westerberg 61d793bbfb gpio/gpio-ich: make ichx_gpio_check_available() return a pure boolean value
It is more readable for humans to use double-bang (!!) to convert the value
to pure boolean before it is returned.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:09 +01:00
Darren Hart 3cbf1822b5 gpio-sch: Allow for more than 8 lines in the resume well
The E6xx (TunnelCreek) CPUs have 9 GPIO lines in the resume well. Update
the resume functions to allow for more than 8 GPIO lines, using the core
functions as a template.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:05:08 +01:00
Nikolay Balandin 021304907b Add TI TCA9554 to supported devices table
Signed-off-by: Nikolay Balandin <nbalandin@dev.rtsoft.ru>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 16:04:57 +01:00
Gabriel Fernandez 9afd9b7090 gpio: stmpe: pass DT node to irqdomain
The irq domain was implemented but the device tree
node was not transmitted to irq_domain_add_simple().

Cc: stable@vger.kernel.org
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 11:21:52 +01:00
Axel Lin 5c97d146f2 gpio: viperboard: Remove duplicate code to set gpio->gpiob_val
Set it once is enough, and it's done in vprbrd_gpiob_set() which is called by
vprbrd_gpiob_direction_output().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Lars Poeschel <poeschel@lemonage.de>
Acked-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 09:13:06 +01:00
Jean Delvare 25f27db48e gpio-ich: Check for pin availability at request time
Stop checking for pin availability in direction and get functions.
These functions can be called repeatedly, so checking every time is
bad for performance. Now that requesting GPIO pins is no longer
optional, checking for availability at pin request time is enough.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 09:11:09 +01:00
Jean Delvare 2ab3a749eb gpio-ich: Fix value returned by ichx_gpio_request
Per Documentation/gpio.txt, gpio_request callbacks should return 0 on
success or a negative value on error. So it is not clear what was
meant by letting ichx_gpio_request return 1 in some cases, nor how a
caller would interpret it.

Align the code with the comment above it and consider pins as
available by default.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-27 09:08:57 +01:00
Catalin Marinas de88cbb7b2 arm: Move chained_irq_(enter|exit) to a generic file
These functions have been introduced by commit 10a8c383 (irq: introduce
entry and exit functions for chained handlers) in asm/mach/irq.h. This
patch moves them to linux/irqchip/chained_irq.h so that generic irqchip
drivers do not rely on architecture specific header files.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
2013-03-26 16:11:43 +00:00
Linus Torvalds 3912a677f6 Here are a few pinctrl fixes for the v3.9 rc series:
- Usecount bounds checking so we do not go below zero on
   mux usecounts.
 - Loop range checking in GPIO ranges in the DT range parser.
 - Proper print in debugfs for pinconf state.
 - Fix compilation bug in generic pinconf code.
 - Minor bugfixes to abx500 and mvebu drivers.
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Merge tag 'pinctrl-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:
 "Here are a few pinctrl fixes for the v3.9 rc series:
   - Usecount bounds checking so we do not go below zero on mux
     usecounts.
   - Loop range checking in GPIO ranges in the DT range parser.
   - Proper print in debugfs for pinconf state.
   - Fix compilation bug in generic pinconf code.
   - Minor bugfixes to abx500 and mvebu drivers."

* tag 'pinctrl-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinmux: forbid mux_usecount to be set at UINT_MAX
  pinctrl: mvebu: fix checking for SoC specific controls
  pinctrl: generic: Fix compilation error
  pinctrl: Print the correct information in debugfs pinconf-state file
  pinctrl: abx500: Fix checking if pin use AlternateFunction register
  gpio: fix wrong checking condition for gpio range
2013-03-24 10:11:29 -07:00
Simon Horman a9cc2c88aa Merge branches 'soc' and 'pinmux' into boards-base 2013-03-18 21:26:33 +09:00
Arnd Bergmann b7442b6c8b Merge branch 'next/pinctrl-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim <kgene.kim@samsung.com>:

Here is support pinctrl-exynos5250 and that already got ack from Linus Walleij.

* 'next/pinctrl-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: skip wakeup interrupt registration for exynos5250 if pinctrl is enabled
  gpio: samsung: skip gpiolib registration if pinctrl support is enabled for exynos5250
  pinctrl: exynos: add exynos5250 SoC specific data

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-15 22:51:54 +01:00
Arnd Bergmann cabaf3edf8 Merge branch 'next/irq-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim <kgene.kim@samsung.com>:

Here is finish the irq rework for s3c2412, s3c2440 and s3c2442 into the new
structure and eint0 to 3 on the s3c2412.

* 'next/irq-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  gpio: samsung: fixes build warning with s3c2410_defconfig
  ARM: S3C24XX: handle s3c2412 eints using new infrastructure
  ARM: S3C24XX: add soc_is_s3c2412 option
  ARM: S3C24XX: include first 4 bits of the eint register in irq mapping
  ARM: S3C24XX: transform s3c2412 irqs into new structure
  ARM: S3C24XX: modify s3c2412 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2412 irq init to common code
  ARM: S3C24XX: use samsung_sync_wakemask in s3c2412 pm
  ARM: S3C24XX: transform s3c2440 irqs into new structure
  ARM: S3C24XX: transform s3c2442 irqs into new structure
  ARM: S3C24XX: integrate s3c2440 irqs into common init
  ARM: S3C24XX: move s3c2440 irqs to common irq code
  ARM: S3C24XX: create dedicated irq init functions for s3c2440 and s3c2442
  ARM: S3C24XX: move s3c244x irq init to common irq code

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-03-15 22:46:51 +01:00
Simon Horman 47f4e0c1c8 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into pinmux-base 2013-03-15 07:16:28 +01:00
Linus Torvalds 6d9431a749 arm-soc fixes for 3.9-rc2
These bug fixes are for the largest part for mvebu/kirkwood, which
 saw a few regressions after the clock infrastructure was enabled,
 and for OMAP, which showed a few more preexisting bugs with
 the new multiplatform support.
 
 Other small fixes are for imx, mxs, tegra, spear and socfpga.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "These bug fixes are for the largest part for mvebu/kirkwood, which saw
  a few regressions after the clock infrastructure was enabled, and for
  OMAP, which showed a few more preexisting bugs with the new
  multiplatform support.

  Other small fixes are for imx, mxs, tegra, spear and socfpga"

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
  ARM: spear3xx: Use correct pl080 header file
  Arm: socfpga: pl330: Add #dma-cells for generic dma binding support
  ARM: multiplatform: Sort the max gpio numbers.
  ARM: imx: fix typo "DEBUG_IMX50_IMX53_UART"
  ARM: imx: pll1_sys should be an initial on clk
  arm: mach-orion5x: fix typo in compatible string of a .dts file
  arm: mvebu: fix address-cells in mpic DT node
  arm: plat-orion: fix address decoding when > 4GB is used
  arm: mvebu: Reduce reg-io-width with UARTs
  ARM: Dove: add RTC device node
  arm: mvebu: enable the USB ports on Armada 370 Reference Design board
  ARM: dove: drop "select COMMON_CLK_DOVE"
  rtc: rtc-mv: Add support for clk to avoid lockups
  gpio: mvebu: Add clk support to prevent lockup
  ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
  ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
  ARM: mxs: cfa10049: Fix fb initialisation function
  ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
  ARM: OMAP: RX-51: add missing USB phy binding
  clk: Tegra: Remove duplicate smp_twd clock
  ...
2013-03-12 10:21:38 -07:00
Andrew Lunn de88747f51 gpio: mvebu: Add clk support to prevent lockup
The kirkwood SoC GPIO cores use the runit clock. Add code to
clk_prepare_enable() runit, otherwise there is a danger of locking up
the SoC by accessing the GPIO registers when runit clock is not
ticking.

Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-03-08 21:34:34 +00:00
Haojian Zhuang 39b70ee051 gpio: pl061: bind pinctrl by gpio request
Add the pl061_gpio_request() to request pinctrl. Create the logic
between pl061 gpio driver and pinctrl (pinctrl-single) driver.

While a gpio pin is requested, it will request pinctrl driver to
set that pin with gpio function mode. So pinctrl driver should
append .gpio_request_enable() in pinmux_ops.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-07 05:27:30 +01:00
Haojian Zhuang f1f70479e9 gpio: pl061: support irqdomain
Drop the support of irq generic chip. Now support irqdomain instead.

Although set_wake() is defined in irq generic chip & it is not really
used in pl061 gpio driver. Drop it at the same time.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-07 05:27:30 +01:00
Haojian Zhuang 86853c83e3 gpio: add gpio offset in gpio range cells property
Add gpio offset into "gpio-range-cells" property. It's used to support
sparse pinctrl range in gpio chip.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-07 05:27:29 +01:00
Haojian Zhuang ad4e1a7caf gpio: fix wrong checking condition for gpio range
If index++ calculates from 0, the checking condition of "while
(index++)" fails & it doesn't check any more. It doesn't follow
the loop that used at here.

Replace it by endless loop at here. Then it keeps parsing
"gpio-ranges" property until it ends.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-03-07 04:37:24 +01:00
Magnus Damm 753c5983dd gpio/em: Add Device Tree support
Update the Emma Mobile GPIO driver to add DT support.

The patch simply adds a two-cell xlate function and
updates the probe code to allow configuration via DT
using the "ngpios" property plus OF id in the same
style as gpio-mvebu.c. The code is also adjusted to
use postcore_initcall() to force early setup.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-06 09:12:26 +08:00
Jon Hunter 8d4c277e18 gpio/omap: warn if bank is not enabled on setting irq type
For OMAP devices, if a gpio is being used as an interrupt source but has
not been requested by calling gpio_request(), a call to request_irq()
may cause the kernel hang because the gpio bank may be disabled and
hence the register access will fail. To prevent such hangs, test for
this case and warn if this is detected.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-06 09:12:26 +08:00
Jon Hunter ede4d7a5b9 gpio/omap: convert gpio irq domain to linear mapping
Currently the OMAP GPIO driver uses a legacy mapping for the GPIO IRQ
domain. This is not necessary because we do not need to assign a
specific interrupt number to the GPIO IRQ domain. Therefore, convert
the OMAP GPIO driver to use a linear mapping instead.

Please note that this also allows to simplify the logic in the OMAP
gpio_irq_handler() routine, by using irq_find_mapping() to obtain the
virtual irq number from the GPIO bank and bank index.

Reported-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-06 09:12:25 +08:00
Stephen Boyd 7bce696b07 gpio: Make gpio-msm-v1 into a platform driver
Doing this removes the dependence of this driver on the
msm_iomap.h and cpu.h mach include headers provied by MSM. This
is necessary to support single zImage work in the future and
allows us to remove cpu.h entirely and brings us closer to
removing msm_iomap.h.

Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Rohit Vaswani <rvaswani@codeaurora.org>
Acked-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-03-05 12:05:43 -08:00
Thomas Abraham 70850ad853 gpio: samsung: skip gpiolib registration if pinctrl support is enabled for exynos5250
Skip exynos5250 gpiolib registration if pinctrl support for exynos5250
is enabled.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-05 20:59:12 +09:00
Kukjin Kim d97fedef91 gpio: samsung: fixes build warning with s3c2410_defconfig
commit 7b45ed96 ("ARM: S3C24XX: handle s3c2412 eints using new
infrastructure") introduced build warning and this patch fixes
that:

drivers/gpio/gpio-samsung.c: In function 's3c24xx_gpiolib_fbank_to_irq':
drivers/gpio/gpio-samsung.c:1126:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-05 20:21:36 +09:00
Heiko Stuebner 1c8408e313 ARM: S3C24XX: handle s3c2412 eints using new infrastructure
The s3c2412 handles the eints 0 to 3 different than all the other SoCs
of the 24xx range. These eints must be acked and masked in the regular
bits as well as the bits 0 to 3 of the eint registers, which are unused
on the other SoCs.

This of course can be realized using the new infrastructure with the
eint bits in the main register being the parent interrupts of the
same bits in the eint register.

The s3c2412 therefore gets its own IRQ_EINT0 to 4 constants that
reside in the newly created gap before IRQ_EINT4. gpio-samsung, as the
only user of these is modified to return the correct values when
handling gpio_to_irq requests on s3c2412 based machines.

Due to lack of hardware this is compile tested only, but should
hopefully work as intended.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-05 20:21:31 +09:00
Stephen Warren 165b6c2f33 gpio/tegra: assume CONFIG_OF
Tegra only supports, and always enables, device tree. Remove all ifdefs
and runtime checks for DT support from the driver.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-04 10:22:18 +08:00
Mika Westerberg e97f9b5277 gpio/gpio-ich: fix ichx_gpio_check_available() return what callers expect
ichx_gpio_check_available() returns either 0 or -ENXIO depending on whether
the given GPIO is available or not. However, callers of this function treat
the return value as boolean:

	...
	if (!ichx_gpio_check_available(gpio, nr))
		return -ENXIO;

which erroneusly fails when the GPIO is available and not vice versa.

Fix this by making the function return boolean as expected by the callers.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-02 13:20:21 +00:00
Alexandre Courbot 24d7628fe8 gpiolib: move comment to right function
This comment applies to gpio_to_chip(), not gpiod_to_chip().

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-02 13:20:20 +00:00
Alexandre Courbot def634338d gpiolib: use const parameters when possible
Constify descriptor parameter of gpiod_* functions for those that
should obviously not modify it. This includes value or direction get,
cansleep, and IRQ number query.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-02 13:20:19 +00:00
Alexandre Courbot bcabdef12d gpiolib: check descriptors validity before use
Some functions dereferenced their GPIO descriptor argument without
checking its validity first, potentially leading to an oops when given
an invalid argument.

This patch also makes gpio_get_value() more resilient when given an
invalid GPIO, returning 0 instead of silently crashing.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-02 13:20:19 +00:00
Tejun Heo 62f516b8d6 gpio: convert to idr_alloc()
Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:15 -08:00
Linus Torvalds 4c8c225abf GPIO changes for Linux 3.9
This branch contains the usual set of individual driver improvements and
 bug fixes, as well as updates to the core code. The more notable changes
 include:
 
 - Internally add new API for referencing GPIOs by gpio_desc instead of
   number. Eventually this will become a public API
 - ACPI GPIO binding support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux

Pull GPIO changes from Grant Likely:
 "This branch contains the usual set of individual driver improvements
  and bug fixes, as well as updates to the core code.  The more notable
  changes include:

   - Internally add new API for referencing GPIOs by gpio_desc instead
     of number.  Eventually this will become a public API

   - ACPI GPIO binding support"

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (33 commits)
  arm64: select ARCH_WANT_OPTIONAL_GPIOLIB
  gpio: em: Use irq_domain_add_simple() to fix runtime error
  gpio: using common order: let 'static const' instead of 'const static'
  gpio/vt8500: memory cleanup missing
  gpiolib: Fix locking on gpio debugfs files
  gpiolib: let gpio_chip reference its descriptors
  gpiolib: use descriptors internally
  gpiolib: use gpio_chips list in gpiochip_find_base
  gpiolib: use gpio_chips list in sysfs ops
  gpiolib: use gpio_chips list in gpiochip_find
  gpiolib: use gpio_chips list in gpiolib_sysfs_init
  gpiolib: link all gpio_chips using a list
  gpio/langwell: cleanup driver
  gpio/langwell: Add Cloverview ids to pci device table
  gpio/lynxpoint: add chipset gpio driver.
  gpiolib: add missing braces in gpio_direction_show
  gpiolib-acpi: Fix error checks in interrupt requesting
  gpio: mpc8xxx: don't set IRQ_TYPE_NONE when creating irq mapping
  gpiolib: remove gpiochip_reserve()
  arm: pxa: tosa: do not use gpiochip_reserve()
  ...
2013-02-26 09:35:29 -08:00
Linus Torvalds ab7826595e This is the MFD pull request for the 3.9 merge window.
No new drivers this time, but a bunch of fairly big cleanups:
 
 - Roger Quadros worked on a OMAP USBHS and TLL platform data consolidation,
   OMAP5 support and clock management code cleanup.
 
 - The first step of a major sync for the ab8500 driver from Lee Jones. In
   particular, the debugfs and the sysct interfaces got extended and improved.
 
 - Peter Ujfalusi sent a nice patchset for cleaning and fixing the twl-core
   driver, with a much needed module id lookup code improvement.
 
 - The regular wm5102 and arizona cleanups and fixes from Mark Brown.
 
 - Laxman Dewangan extended the palmas APIs in order to implement the palmas
   GPIO and rt drivers.
 
 - Laxman also added DT support for the tps65090 driver.
 
 - The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra and
   Darren Hart.
 
 - Linus Walleij patchset for the ab8500 driver allowed ab8500 and ab9540 based
   devices to switch to the new abx500 pin-ctrl driver.
 
 - The max8925 now has device tree and irqdomain support thanks to Qing Xu.
 
 - The recently added rtsx driver got a few cleanups and fixes for a better
   card detection code path and now also supports the RTS5227 chipset, thanks
   to Wei Wang and Roger Tseng.
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Merge tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFS updates from Samuel Ortiz:
 "This is the MFD pull request for the 3.9 merge window.

  No new drivers this time, but a bunch of fairly big cleanups:

   - Roger Quadros worked on a OMAP USBHS and TLL platform data
     consolidation, OMAP5 support and clock management code cleanup.

   - The first step of a major sync for the ab8500 driver from Lee
     Jones.  In particular, the debugfs and the sysct interfaces got
     extended and improved.

   - Peter Ujfalusi sent a nice patchset for cleaning and fixing the
     twl-core driver, with a much needed module id lookup code
     improvement.

   - The regular wm5102 and arizona cleanups and fixes from Mark Brown.

   - Laxman Dewangan extended the palmas APIs in order to implement the
     palmas GPIO and rt drivers.

   - Laxman also added DT support for the tps65090 driver.

   - The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra
     and Darren Hart.

   - Linus Walleij patchset for the ab8500 driver allowed ab8500 and
     ab9540 based devices to switch to the new abx500 pin-ctrl driver.

   - The max8925 now has device tree and irqdomain support thanks to
     Qing Xu.

   - The recently added rtsx driver got a few cleanups and fixes for a
     better card detection code path and now also supports the RTS5227
     chipset, thanks to Wei Wang and Roger Tseng."

* tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (109 commits)
  mfd: lpc_ich: Use devres API to allocate private data
  mfd: lpc_ich: Add Device IDs for Intel Wellsburg PCH
  mfd: lpc_sch: Accomodate partial population of the MFD devices
  mfd: da9052-i2c: Staticize da9052_i2c_fix()
  mfd: syscon: Fix sparse warning
  mfd: twl-core: Fix kernel panic on boot
  mfd: rtsx: Fix issue that booting OS with SD card inserted
  mfd: ab8500: Fix compile error
  mfd: Add missing GENERIC_HARDIRQS dependecies
  Documentation: Add docs for max8925 dt
  mfd: max8925: Add dts
  mfd: max8925: Support dt for backlight
  mfd: max8925: Fix onkey driver irq base
  mfd: max8925: Fix mfd device register failure
  mfd: max8925: Add irqdomain for dt
  mfd: vexpress: Allow vexpress-sysreg to self-initialise
  mfd: rtsx: Support RTS5227
  mfd: rtsx: Implement driving adjustment to device-dependent callbacks
  mfd: vexpress: Add pseudo-GPIO based LEDs
  mfd: ab8500: Rename ab8500 to abx500 for hwmon driver
  ...
2013-02-24 20:00:58 -08:00
Linus Torvalds 81ec44a6c6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 update from Martin Schwidefsky:
 "The most prominent change in this patch set is the software dirty bit
  patch for s390.  It removes __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY and
  the page_test_and_clear_dirty primitive which makes the common memory
  management code a bit less obscure.

  Heiko fixed most of the PCI related fallout, more often than not
  missing GENERIC_HARDIRQS dependencies.  Notable is one of the 3270
  patches which adds an export to tty_io to be able to resize a tty.

  The rest is the usual bunch of cleanups and bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (42 commits)
  s390/module: Add missing R_390_NONE relocation type
  drivers/gpio: add missing GENERIC_HARDIRQ dependency
  drivers/input: add couple of missing GENERIC_HARDIRQS dependencies
  s390/cleanup: rename SPP to LPP
  s390/mm: implement software dirty bits
  s390/mm: Fix crst upgrade of mmap with MAP_FIXED
  s390/linker skript: discard exit.data at runtime
  drivers/media: add missing GENERIC_HARDIRQS dependency
  s390/bpf,jit: add vlan tag support
  drivers/net,AT91RM9200: add missing GENERIC_HARDIRQS dependency
  iucv: fix kernel panic at reboot
  s390/Kconfig: sort list of arch selected config options
  phylib: remove !S390 dependeny from Kconfig
  uio: remove !S390 dependency from Kconfig
  dasd: fix sysfs cleanup in dasd_generic_remove
  s390/pci: fix hotplug module init
  s390/pci: cleanup clp page allocation
  s390/pci: cleanup clp inline assembly
  s390/perf: cpum_cf: fallback to software sampling events
  s390/mm: provide PAGE_SHARED define
  ...
2013-02-21 17:54:03 -08:00
Linus Torvalds b274776c54 arm-soc: cleanups
A large number of cleanups, all over the platforms. This is dominated
 largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
 others moving code out of arch/arm into more appropriate subsystems.
 The clocksource and irqchip drivers are now abstracted to the point
 where platforms that are already cleaned up do not need to even specify
 the driver they use, it can all get configured from the device tree
 as we do for normal device drivers. The clocksource changes basically
 touch every single platform in the process.
 
 We further clean up the use of platform specific header files here,
 with the goal of turning more of the platforms over to being
 "multiplatform" enabled, which implies that they cannot expose
 their headers to architecture independent code any more.
 
 It is expected that no functional changes are part of the cleanup.
 The overall reduction in total code lines is mostly the result of
 removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Arnd Bergmann:
 "A large number of cleanups, all over the platforms.  This is dominated
  largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
  others moving code out of arch/arm into more appropriate subsystems.

  The clocksource and irqchip drivers are now abstracted to the point
  where platforms that are already cleaned up do not need to even
  specify the driver they use, it can all get configured from the device
  tree as we do for normal device drivers.  The clocksource changes
  basically touch every single platform in the process.

  We further clean up the use of platform specific header files here,
  with the goal of turning more of the platforms over to being
  "multiplatform" enabled, which implies that they cannot expose their
  headers to architecture independent code any more.

  It is expected that no functional changes are part of the cleanup.
  The overall reduction in total code lines is mostly the result of
  removing broken and obsolete code."

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
  ARM: mvebu: correct gated clock documentation
  ARM: kirkwood: add missing include for nsa310
  ARM: exynos: move exynos4210-combiner to drivers/irqchip
  mfd: db8500-prcmu: update resource passing
  drivers/db8500-cpufreq: delete dangling include
  ARM: at91: remove NEOCORE 926 board
  sunxi: Cleanup the reset code and add meaningful registers defines
  ARM: S3C24XX: header mach/regs-mem.h local
  ARM: S3C24XX: header mach/regs-power.h local
  ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
  ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
  ARM: S3C24XX: transform s3c2443 subirqs into new structure
  ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2443 irq code to irq.c
  ARM: S3C24XX: transform s3c2416 irqs into new structure
  ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
  ARM: S3C24XX: move s3c2416 irq init to common irq code
  ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
  ARM: S3C24XX: Move irq syscore-ops to irq-pm
  clocksource: always define CLOCKSOURCE_OF_DECLARE
  ...
2013-02-21 14:58:40 -08:00
Linus Torvalds b24174b0cb arm-soc: non-critical bug fixes
Bug fixes that did not make it into v3.8, mostly because they were not
 considered important enough, and in some cases because bugs only show
 up in combination with other patches destined for 3.9.
 This includes a few larger patches for GPIO on the Marvell PXA platform
 and a lot of Samsung specific bug fixes, as well as a series from Arnd
 to fix older build warnings.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-critical ARM SoC bug fixes from Arnd Bergmann:
 "Bug fixes that did not make it into v3.8, mostly because they were not
  considered important enough, and in some cases because bugs only show
  up in combination with other patches destined for 3.9.  This includes
  a few larger patches for GPIO on the Marvell PXA platform and a lot of
  Samsung specific bug fixes, as well as a series from Arnd to fix older
  build warnings."

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  ARM: SPEAr13xx: Enable CONFIG_ARCH_HAS_CPUFREQ
  ARM: imx: MACH_MX31ADS_WM1133_EV1 needs REGULATOR_WM8350
  scripts/sortextable: silence script output
  ARM: s3c: i2c: add platform_device forward declaration
  ARM: mvebu: allow selecting mvebu without Armada XP
  ARM: pick Versatile by default for !MMU
  ARM: integrator: fix build with INTEGRATOR_AP off
  ARM: integrator/versatile: fix NOMMU warnings
  ARM: sa1100: don't warn about mach/ide.h
  ARM: shmobile: fix defconfig warning on CONFIG_USB
  ARM: w90x900: fix legacy assembly syntax
  ARM: samsung: fix assembly syntax for new gas
  ARM: disable virt_to_bus/virt_to_bus almost everywhere
  ARM: dts: Correct pin configuration of SD 4 for exynos4x12-pinctrl
  ARM: SAMSUNG: Silence empty switch warning in fimc-core.h
  ARM: SAMSUNG: Silence empty switch warning in sdhci.h
  ARM: msm: proc_comm_boot_wait should not be __init
  arm: vt8500: Update MAINTAINERS entry for arch-vt8500
  ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU
  ARM: S5PV210: Fix early uart output in fifo mode
  ...
2013-02-21 14:54:55 -08:00
Linus Torvalds 06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
Linus Torvalds b3cdda2b4f Device tree changes for v3.9
All around device tree changes destined for v3.8. Aside from the
 documentation updates the highlights in this branch include:
 - Kbuild changes for using CPP with .dts files
 - locking fix from preempt_rt patchset
 - include DT alias names in device uevent
 - Selftest bugfixes and improvements
 - New function for counting phandles stanzas in a property
 - constify argument to of_node_full_name()
 - Various bug fixes
 
 This tree did also contain a commit to use platform_device_add instead
 of open-coding the device add code, but it caused problems with amba
 devices and needed to be reverted.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull device tree changes from Grant Likely:
 "All around device tree changes destined for v3.8.  Aside from the
  documentation updates the highlights in this branch include:

   - Kbuild changes for using CPP with .dts files
   - locking fix from preempt_rt patchset
   - include DT alias names in device uevent
   - Selftest bugfixes and improvements
   - New function for counting phandles stanzas in a property
   - constify argument to of_node_full_name()
   - Various bug fixes

  This tree did also contain a commit to use platform_device_add instead
  of open-coding the device add code, but it caused problems with amba
  devices and needed to be reverted."

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux: (23 commits)
  Revert "of: use platform_device_add"
  kbuild: limit dtc+cpp include path
  gpio: Make of_count_named_gpios() use new of_count_phandle_with_args()
  of: Create function for counting number of phandles in a property
  of/base: Clean up exit paths for of_parse_phandle_with_args()
  of/selftest: Use selftest() macro throughout
  of/selftest: Fix GPIOs selftest to cover the 7th case
  of: fix recursive locking in of_get_next_available_child()
  documentation/devicetree: Fix a typo in exynos-dw-mshc.txt
  OF: convert devtree lock from rw_lock to raw spinlock
  of/exynos_g2d: Add Bindings for exynos G2D driver
  kbuild: create a rule to run the pre-processor on *.dts files
  input: Extend matrix-keypad device tree binding
  devicetree: Move NS2 LEDs binding into LEDs directory
  of: use platform_device_add
  powerpc/5200: Fix size to request_mem_region() call
  documentation/devicetree: Fix typos
  of: add 'const' to of_node_full_name parameter
  of: Output devicetree alias names in uevent
  DT: add vendor prefixes for Renesas and Toshiba
  ...
2013-02-20 11:04:46 -08:00
Linus Torvalds 8a3a11f91d These are the main pinctrl changes for the v3.9 merge window:
- Grabbing of default pinctrl handles from the device core.
   These are the hunks hitting drivers/base. All is ACKed by
   Greg, after a long discussion about different alternatives.
 
 - Some stuff also touches the MFD and ARM SoC trees, this has
   been coordinated and ACKed.
 
 - New drivers for:
 
   - The Tegra 114 sub-SoC
   - Allwinner sunxi
   - New ABx500 driver and sub-SoC drivers for AB8500,
     AB8505, AB9540 and AB8540.
 
 - Make it possible for hogged pins to enter a sleep mode,
   and make it possible for drivers to control that mode.
 
 - Various clean-up, extensions and device tree support to
   various pin controllers.
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Merge tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl changes from Linus Walleij:
 "These are the main pinctrl changes for the v3.9 merge window.  The
  most interesting change by far is how the device core grabs pinctrl
  default handles avoiding the need to stick boilerplate into driver
  consumers.

   - Grabbing of default pinctrl handles from the device core.  These
     are the hunks hitting drivers/base.  All is ACKed by Greg, after a
     long discussion about different alternatives.

   - Some stuff also touches the MFD and ARM SoC trees, this has been
     coordinated and ACKed.

   - New drivers for:
     - The Tegra 114 sub-SoC
     - Allwinner sunxi
     - New ABx500 driver and sub-SoC drivers for AB8500, AB8505, AB9540
       and AB8540.

   - Make it possible for hogged pins to enter a sleep mode, and make it
     possible for drivers to control that mode.

   - Various clean-up, extensions and device tree support to various pin
     controllers."

* tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (68 commits)
  pinctrl: tegra: add clfvs function to Tegra114 support
  pinctrl: generic: rename input schmitt disable
  pinctrl/pinconfig: add debug interface
  pinctrl: samsung: remove duplicated line
  ARM: ux500: use real AB8500 IRQ numbers instead of virtual ones
  ARM: ux500: remove irq_base property from platform_data
  pinctrl/abx500: use direct IRQ defines
  pinctrl/abx500: replace IRQ offsets with table read-in values
  pinctrl/abx500: move IRQ handling to ab8500-core
  pinctrl: exynos5440: remove erroneous __init
  pinctrl/abx500: adjust offset for get_mode()
  pinctrl/abx500: add Device Tree support
  pinctrl/abx500: align GPIO cluster boundaries
  pinctrl/abx500: prevent error path from corrupting returning error
  pinctrl: sunxi: add of_xlate function
  pinctrl/lantiq: fix pin number in ltq_pmx_gpio_request_enable
  pinctrl/lantiq: add functionality to falcon_pinconf_dbg_show
  pinctrl/lantiq: fix pinconfig parameters
  pinctrl/lantiq: one of the boot leds was defined incorrectly
  pinctrl/lantiq: only probe available pad controllers
  ...
2013-02-20 09:23:30 -08:00
Magnus Damm c7886b1827 gpio: em: Use irq_domain_add_simple() to fix runtime error
Adjust the gpio-em.c driver to reconsider the pdata->irq_base
variable. Non-DT board code like for instance board-kzm9d.c
needs to operate of a static IRQ range for platform devices.

So this patch is updating the code to make use of the function
irq_domain_add_simple() instead of irq_domain_add_linear().

Fixes a EMEV2 / KZM9D runtime error caused by the following commit:
7385500 gpio/em: convert to linear IRQ domain

Cc: stable@kernel.org
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Reported-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-14 17:44:37 +01:00
Heiko Carstens 29bde2d932 drivers/gpio: add missing GENERIC_HARDIRQ dependency
The VIA VX855/VX875 GPIO and RDC R-321x GPIO support drivers select
MFD_CORE which itself depends on GENERIC_HARDIRQ support.
So add this dependency to these two drivers as well to prevent
selection of MFD_CORE.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-02-14 15:55:25 +01:00
Laxman Dewangan 3d50a27852 gpio: palmas: Add support for Palmas GPIO
Add gpio driver for TI Palmas series PMIC. This has 8 gpio which can
work as input/output.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-14 00:22:45 +01:00
Grant Likely e80beb27d2 gpio: Make of_count_named_gpios() use new of_count_phandle_with_args()
This patch replaces the horribly coded of_count_named_gpios() with a
call to of_count_phandle_with_args() which is far more efficient. This
also changes the return value of of_gpio_count() & of_gpio_named_count()
from 'unsigned int' to 'int' so that it can return an error code. All
the users of that function are fixed up to correctly handle a negative
return value.

v2: Split GPIO portion into a separate patch

Tested-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
2013-02-13 10:11:53 +00:00
Chen Gang e9a65bb63e gpio: using common order: let 'static const' instead of 'const static'
'const static ' is not a common order, better to use 'static const' instead.

building:
  make EXTRA_CFLAGS=-W ARCH=arm

  drivers/gpio/gpio-omap.c:1479:
    warning: 'static' is not at beginning of declaration
  drivers/gpio/gpio-omap.c:1485:
    warning: 'static' is not at beginning of declaration
  drivers/gpio/gpio-omap.c:1491:
    warning: 'static' is not at beginning of declaration

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-11 22:21:29 +00:00
Tony Prisk 9f01d30ee1 gpio/vt8500: memory cleanup missing
This driver is missing a .remove callback, and the fail path on
probe is incomplete.

If an error occurs in vt8500_add_chips, gpio_base is not unmapped.
The driver is also ignoring the return value from this function so
if a chip fails to register it completes as successful.

Replaced pr_err with dev_err in vt8500_add_chips since the device is
available.

There is also no .remove callback defined so the function is added.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-11 22:21:29 +00:00
Grant Likely 362432aed5 gpiolib: Fix locking on gpio debugfs files
The debugfs files really need to hold the gpiolib spinlock before
accessing the list. Otherwise chip addition/removal will cause an oops.

Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-11 22:21:28 +00:00
Alexandre Courbot 6c0b4e6c85 gpiolib: let gpio_chip reference its descriptors
Add a pointer to the gpio_chip structure that references the array of
GPIO descriptors belonging to the chip, and update gpiolib code to use
this pointer instead of the global gpio_desc[] array. This is another
step towards the removal of the gpio_desc[] global array.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.orh>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-11 22:21:28 +00:00
Alexandre Courbot 372e722ea4 gpiolib: use descriptors internally
Make sure gpiolib works internally with descriptors and (chip, offset)
pairs instead of using the global integer namespace. This prepares the
ground for the removal of the global gpio_desc[] array and the
introduction of the descriptor-based GPIO API.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[grant.likely: Squash in fix for link error when CONFIG_SYSFS=n]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-11 22:20:55 +00:00
Alexandre Courbot 83cabe33eb gpiolib: use gpio_chips list in gpiochip_find_base
Re-implement gpiochip_find_base using the list of chips instead of the
global gpio_desc[] array. This makes it both simpler and more efficient,
and is needed to remove the global descriptors array.

The new code should preserve the exact same GPIO number assignment
policy as the code it is replacing. There shouldn't be any visible
change to the assigned GPIO numbers.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
[grant.likely: Added comment about assignment policy]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-09 10:07:10 +00:00
Alexandre Courbot cb1650d4e0 gpiolib: use gpio_chips list in sysfs ops
This makes the code both simpler and faster compared to parsing the GPIO
number space.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-09 09:30:17 +00:00
Alexandre Courbot 125eef96f6 gpiolib: use gpio_chips list in gpiochip_find
Using the GPIO chips list is much faster than parsing the entire GPIO
number space.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-09 09:23:30 +00:00
Alexandre Courbot 65493e3ac4 gpiolib: use gpio_chips list in gpiolib_sysfs_init
Use the small list of GPIO chips instead of parsing the whole GPIO
number space.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-09 09:22:21 +00:00
Alexandre Courbot 1a989d0f1d gpiolib: link all gpio_chips using a list
Add a list member to gpio_chip that allows all chips to be parsed
quickly. The current method requires parsing the entire GPIO integer
space, which is painfully slow. Using a list makes many chip operations
that involve lookup or parsing faster, and also simplifies the code. It
is also necessary to eventually get rid of the global gpio_desc[] array.

The list of gpio_chips is always ordered by base GPIO number to ensure
chips traversal is done in the right order.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-09 09:20:12 +00:00
Michał Mirosław 9f3b795a62 driver-core: constify data for class_find_device()
All in-kernel users of class_find_device() don't really need mutable
data for match callback.

In two places (kernel/power/suspend_test.c, drivers/scsi/osd/osd_uld.c)
this patch changes match callbacks to use const search data.

The const is propagated to rtc_class_open() and power_supply_get_by_name()
parameters.

Note that there's a dev reference leak in suspend_test.c that's not
touched in this patch.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-06 12:18:56 -08:00
Grant Likely 0fa2fd9a0d Merge branch 'linusw/devel' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git into gpio/next
Device driver features, cleanups and bug fixes.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:37:46 +00:00
David Cohen 46ebfbc374 gpio/langwell: cleanup driver
This patch cleans up cosmetic issues, remove useless functions and add
to_lnw_priv() macro to replace many usages of container_of().

Signed-off-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:33:30 +00:00
David Cohen 936cb1b125 gpio/langwell: Add Cloverview ids to pci device table
Adds support for new Cloverview hardware.

Signed-off-by: David Cohen <david.a.cohen@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:33:30 +00:00
Mathias Nyman 1d09aaa6a3 gpio/lynxpoint: add chipset gpio driver.
Add gpio support for Intel Lynxpoint chipset.

Lynxpoint supports 94 gpio pins which can generate interrupts.
Driver will fail requests for pins that are marked as owned by ACPI, or
set in an alternate mode (non-gpio).

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-05 13:33:29 +00:00
Olof Johansson 5b399db0b7 Merge branch 'next/cleanup-header' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
From Kukjin Kim:
AS I commented, this makes <mach/*.h> local so that they could be removed.

* 'next/cleanup-header' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (26 commits)
  ARM: S3C64XX: Fix missing header error with CONFIG_CPU_IDLE enabled
  ARM: S3C64XX: make regs-syscon-power.h local
  ARM: S3C64XX: make regs-sys.h local
  ARM: S3C64XX: make regs-srom.h local
  ARM: S3C64XX: make regs-modem.h local
  ARM: S3C64XX: make regs-gpio-memport.h local
  ARM: S3C64XX: make crag6410.h local
  ARM: S3C24XX: remove dsc.c and make regs-dsc.h local
  ARM: S3C24XX: remove idle.h
  ARM: S3C2412: cleanup regs-s3c2412.h
  ARM: S3C2416: remove regs-s3c2416-mem.h and regs-s3c2416.h
  ARM: S3C24XX: make vr1000-cpld.h, vr1000-irq.h and vr1000-map.h local
  ARM: S3C24XX: make otom-map.h local
  ARM: S3C24XX: make osiris-cpld.h and osiris-map.h local
  ARM: S3C24XX: make h1940.h and h1940-latch.h local
  ARM: S3C24XX: make gta02.h local
  ARM: S3C24XX: make bast-cpld.h, bast-irq.h and bast-map.h local
  ARM: S3C24XX: make anubis-cpld, anubis-irq and anubis-map local
  ARM: SAMSUNG: cleanup mach/gpio-fns.h gpio-track.h and gpio-nrs.h
  ARM: SAMSUNG: cleanup mach/regs-audss.h file
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-04 21:49:29 -08:00
Alexandre Courbot 476171ce78 gpiolib: add missing braces in gpio_direction_show
Add missing braces in an if..else condition.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04 21:46:56 +01:00
Mathias Nyman 1107ca104f gpiolib-acpi: Fix error checks in interrupt requesting
Print error message if requesting an interrupt fails.
Use int instead of unsigned for interrupts in case of error values

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04 21:41:47 +01:00
Anatolij Gustschin de0ccf7881 gpio: mpc8xxx: don't set IRQ_TYPE_NONE when creating irq mapping
Exporting gpios over sysfs GPIO interface throws genirq
error messages, i.e. on an mpc5121 based board exporting
GPIO 5 triggers it:

    # echo 229 > /sys/class/gpio/export
    genirq: Setting trigger mode 0 for irq 44 failed
    (mpc512x_irq_set_type+0x0/0x18c)

Similar error messages appear in the kernel boot log since the
board specifies GPIOs for matrix keypad and also SD Card write
protect and card detect GPIOs in its device tree. For all these
GPIOs there is an error message in the log.

The issue is triggered by setting the irq type to IRQ_TYPE_NONE
in the driver's irq_domain map function mpc8xxx_gpio_irq_map().

...
  mpc8xxx_gpio_irq_map
    irq_set_irq_type
      __irq_set_trigger

__irq_set_trigger() calls irq_set_type() callback of the mpc8xxx gpio
irq chip with the IRQ_TYPE_NONE in its 'flags' argument. This callback
is either mpc8xxx_irq_set_type() or mpc512x_irq_set_type(). Both these
functions return -EINVAL in the case if IRQ_TYPE_NONE is passed in the
flow_type argument. This return value triggers the observed error
message in __irq_set_trigger(). Modifying these callbacks to not
return an error in IRQ_TYPE_NONE case doesn't make any sense to me.
The line setting IRQ_TYPE_NONE type has been originally added by
commit 345e5c8a "powerpc: Add interrupt support to mpc8xxx_gpio".
At this time set_irq_type() checked its type argument and returned 0
if the type argument didn't specify any meaningful type in its type
sense bits (and thus was equal to IRQ_TYPE_NONE). Effectively this
line was a nop and I wonder what was the point of adding it.

Remove IRQ_TYPE_NONE setting in the irq_domain mapping function.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04 21:41:46 +01:00
Alexandre Courbot 710b40eac4 gpiolib: remove gpiochip_reserve()
gpiochip_reserve() has no user and stands in the way of the removal of
the static gpio_desc[] array. Remove this function as well as the now
unneeded RESERVED flag of struct gpio_desc.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04 21:41:46 +01:00
Linus Walleij a718ff6f9b gpio: delete AB8500 driver
The AB8500 GPIO driver has been marked BROKEN for ages, and we
have something better in store: a shiny new pinctrl driver. So
let use delete this old driver as the first step.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30 20:42:14 +01:00
Gwenhael Goavec-Merou 66d7990e28 gpio: mxs: Add IRQ_TYPE_EDGE_BOTH support
This patch adds support for IRQ_TYPE_EDGE_BOTH needed for some driver
(gpio-keys).

Inspired from gpio-mxc.c

Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 12:02:05 +01:00
Mathias Nyman 0d1c28a449 gpiolib-acpi: Add ACPI5 event model support to gpio.
Add ability to handle ACPI events signalled by GPIO interrupts.

ACPI5 platforms can use GPIO signaled ACPI events. These GPIO interrupts are
handled by ACPI event methods which need to be called from the GPIO
controller's interrupt handler. acpi_gpio_request_interrupt() finds out which
gpio pins have acpi event methods and assigns interrupt handlers that calls
the acpi event methods for those pins.

Partially based on work by Rui Zhang <rui.zhang@intel.com>

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-29 11:47:06 +01:00
Kukjin Kim b533c8685b ARM: dts: fix compatible value for exynos pinctrl
Fix the incorrect compatible property value of pinctrl for EXYNOS4 SoCs.

Cc: Thomas Abraham <thomas.ab@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-28 14:27:50 -08:00
Thomas Abraham f692543287 ARM: dts: Fix compatible value of pinctrl module on EXYNOS5440
Fix the incorrect compatible property value of pin-controller module
EXYNOS5440 SoC.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
[kgene.kim@samsung.com: fixed it in gpio together for exynos5440]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-28 14:27:49 -08:00
Linus Walleij b42748c970 gpio: pca953x: use managed resources
Using the devm_* managed resources the pca driver can be simplified
and cut down on boilerplate code.

[gcl: fixed a inccorect reference to a removed label, "goto fail_out"
became "return ret"]

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-28 11:17:04 +01:00
Gregory CLEMENT 0e8f2fdacf gpio: pca953x: use simple irqdomain
This switches the legacy irqdomain to the simple one, which will
auto-allocate descriptors, and also make sure that we use
irq_create_mapping() in the to_irq function. Also use the map function
of irq_domain_ops to setup the irq configuration on demand and no more
statically during the initialization of the driver.

Based on a initial patch from Linus Walleij <linus.walleij@linaro.org>

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-28 11:15:31 +01:00
Greg Kroah-Hartman 422d26b6ec Merge 3.8-rc5 into driver-core-next
This resolves a gpio driver merge issue pointed out in linux-next.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-25 21:06:30 -08:00
Haojian Zhuang 6c7e660a27 gpio: pxa: set initcall level to module init
gpio & pinctrl driver are used together. The pinctrl driver is already
launched before gpio driver in Makefile. So set gpio driver to module
init level. Otherwise, the sequence will be inverted.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 10:51:12 +01:00
Gregory CLEMENT 89f5df01c6 gpio: pca953x: add support for pca9505
Now that pca953x driver can handle GPIO expanders with more than 32
bits this patch adds the support for the pca9505 which cam with 40
GPIOs.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 09:03:40 +01:00
Gregory CLEMENT f5f0b7aa89 gpio: pca953x: make the register access by GPIO bank
Until now the pca953x driver accessed all the bank of a given register
in a single command using only a 32 bits variable. New expanders from
the pca53x family come with 40 GPIOs which no more fit in a 32
variable. This patch make access to the registers more generic by
relying on an array of u8 variables. This fits exactly the way the
registers are represented in the hardware.

It also adds helpers to access to a single register of a bank instead
of reading or writing all the banks for a given register.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 09:02:10 +01:00
Thierry Reding 641d03422a gpio: Convert to devm_ioremap_resource()
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 11:41:56 -08:00
Haojian Zhuang 5985d76cc1 gpio: pl061: set initcall level to module init
Replace subsys initcall by module initcall level. Since pinctrl
driver is already launched before gpio driver. It's unnecessary
to set gpio driver in subsys init call level.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-22 10:43:15 +01:00
Shawn Guo 6a89a314ab gpio: devm_gpio_* support should not depend on GPIOLIB
Some architectures (e.g. blackfin) provide gpio API without requiring
GPIOLIB support (ARCH_WANT_OPTIONAL_GPIOLIB).  devm_gpio_* functions
should also work for these architectures, since they do not really
depend on GPIOLIB.

Add a new option GPIO_DEVRES (enabled by default) to control the build
of devres.c.  It also removes the empty version of devm_gpio_*
functions for !GENERIC_GPIO build from linux/gpio.h, and moves the
function declarations from asm-generic/gpio.h into linux/gpio.h.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-22 10:23:35 +01:00
Kees Cook 4c0ea23377 drivers/gpio: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:52:42 -08:00
Haojian Zhuang ef5e3eef6b gpio: use pinctrl device name for add range
gpiochip_add_pin_range() needs pinctrl device name as parameter.
Currently the parameter is pinctrl description name. So fix it.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-21 15:16:22 +01:00
Thierry Reding 11c0ceec07 gpio: mvebu: Don't free chip label memory
The gpio_chip.label field is a const char * and assigned the value of a
call to dev_name(). Memory obtained from dev_name() should not be freed
by drivers.

Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 12:27:08 +01:00
Kukjin Kim 6948ce588b gpio: samsung: skip gpio lib registration for EXYNOS5440
Since exynos5440 can support pinctrl so skip the legacy
gpiolib registration. If not, happens following.

WARNING: at drivers/gpio/gpio-samsung.c:3102 samsung_gpiolib_init+0x68/0x8c()
Unknown SoC in gpio-samsung, no GPIOs added

Acked-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:53:54 +01:00
Peter Ujfalusi c111feabe2 gpio: twl4030: Cache the direction and output states in private data
Use more coherent locking in the driver. Use bitfield to store the GPIO
direction and if the pin is configured as output store the status also in a
bitfiled.
In this way we can just look at these bitfields when we need information
about the pin status and only reach out to the chip when it is needed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:48:12 +01:00
Peter Ujfalusi 72c7901ef0 gpio: twl4030: Introduce private structure to store variables needed runtime
Move most of the global variables inside a private structure and allocate
it dynamically.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:48:12 +01:00
Kukjin Kim dcb9c3491a gpio: samsung: silent build warning for EXYNOS5 SoCs
This patch fixes following warning:

drivers/gpio/gpio-samsung.c:450:32: warning: 'exynos_gpio_cfg' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2450:33: warning: 'exynos5_gpios_1' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2618:33: warning: 'exynos5_gpios_2' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2679:33: warning: 'exynos5_gpios_3' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2715:33: warning: 'exynos5_gpios_4' defined but not used [-Wunused-variable]

Because current gpio-samsung is valid only on EXYNOS5250.

Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 09:18:02 +01:00
Kukjin Kim e4a5da51da gpio: samsung: fix pinctrl condition for exynos and exynos5440
Since EXYNOS5440 can select PINCTRL_EXYNOS5440 without PINCTRL_SAMSUNG,
it should be fixed. In detail, PINCTRL_SAMSUNG is a kind of frame work
for supporting pinctrl on most Samsung SoCs including S3C, S5P as well
except EXYNOS5440 so PINCTRL_EXYNOS5440 has been implemented separated.

Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 09:17:59 +01:00
Kukjin Kim 0a2691dade ARM: SAMSUNG: cleanup mach/gpio-fns.h gpio-track.h and gpio-nrs.h
remove <mach/gpio-fns.h>, <mach/gpio-track.h> and <plat/gpio-fns.h>

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-10 10:45:22 -08:00
Kukjin Kim 9b89cb8172 gpio: samsung: remove inclusion <mach/regs-clock.h>
The <mach/regs-clock.h> is not needed for gpio-samsung.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-10 13:03:31 +01:00
Tony Prisk ebe5a0596f gpio: vt8500: Export dedicated GPIO before multifunction pins.
The vendor does not provide numbering for gpio pins. Vendor source
exports dedicated gpio pins first, followed by multifunction pins.
As this is what end users expect, this patch changes vt8500 and wm8505
to do the same.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-10 11:45:35 +01:00
Greg Kroah-Hartman 0fe763c570 Drivers: misc: remove __dev* attributes.
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03 15:57:16 -08:00
Gregory CLEMENT bc1008cf7d gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
When building without device tree support (for the mv78x00 SoCs for
example), the build failed because of_irq_count is undeclared. However
mvebu-gpio is not designed to build without device tree support. So
make it depends on OF_CONFIG, remove the #ifdef OF_CONFIG line and the
platform_device_id.

Tested on RD-78x00-mASA, DB-78460-BP, DB-88F6710-BP-DDR3,
DB-MV784MP-GP, Mirabox and OpenBlocks AX3.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-19 22:15:14 +00:00
Jean Delvare d39a948fef gpio/ich: Add missing spinlock init
As reported by CONFIG_DEBUG_SPINLOCK=y.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-19 22:13:08 +00:00
Linus Torvalds 2dfea3803d This is the MFD patch set for the 3.8 merge window.
We have several new drivers, most of the time coming with their sub devices
 drivers:
 
 - Austria Microsystem's AS3711
 - Nano River's viperboard
 - TI's TPS80031, AM335x TS/ADC,
 - Realtek's MMC/memstick card reader
 - Nokia's retu
 
 We also got some notable cleanups and improvements:
 
 - tps6586x got converted to IRQ domains.
 - tps65910 and tps65090 moved to the regmap IRQ API.
 - STMPE is now Device Tree aware.
 - A general twl6040 and twl-core cleanup, with moves to the regmap I/O and IRQ
   APIs and a conversion to the recently added PWM framework.
 - sta2x11 gained regmap support.
 
 Then the rest is mostly tiny cleanups and fixes, among which we have Mark's
 wm5xxx and wm8xxx patchset.
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Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFS update from Samuel Ortiz:
 "This is the MFD patch set for the 3.8 merge window.

  We have several new drivers, most of the time coming with their sub
  devices drivers:

   - Austria Microsystem's AS3711
   - Nano River's viperboard
   - TI's TPS80031, AM335x TS/ADC,
   - Realtek's MMC/memstick card reader
   - Nokia's retu

  We also got some notable cleanups and improvements:

   - tps6586x got converted to IRQ domains.
   - tps65910 and tps65090 moved to the regmap IRQ API.
   - STMPE is now Device Tree aware.
   - A general twl6040 and twl-core cleanup, with moves to the regmap
     I/O and IRQ APIs and a conversion to the recently added PWM
     framework.
   - sta2x11 gained regmap support.

  Then the rest is mostly tiny cleanups and fixes, among which we have
  Mark's wm5xxx and wm8xxx patchset."

Far amount of annoying but largely trivial conflicts.  Many due to
__devinit/exit removal, others due to one or two of the new drivers also
having come in through another tree.

* tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (119 commits)
  mfd: tps6507x: Convert to devm_kzalloc
  mfd: stmpe: Update DT support for stmpe driver
  mfd: wm5102: Add readback of DSP status 3 register
  mfd: arizona: Log if we fail to create the primary IRQ domain
  mfd: tps80031: MFD_TPS80031 needs to select REGMAP_IRQ
  mfd: tps80031: Add terminating entry for tps80031_id_table
  mfd: sta2x11: Fix potential NULL pointer dereference in __sta2x11_mfd_mask()
  mfd: wm5102: Add tuning for revision B
  mfd: arizona: Defer patch initialistation until after first device boot
  mfd: tps65910: Fix wrong ack_base register
  mfd: tps65910: Remove unused data
  mfd: stmpe: Get rid of irq_invert_polarity
  mfd: ab8500-core: Fix invalid free of devm_ allocated data
  mfd: wm5102: Mark DSP memory regions as volatile
  mfd: wm5102: Correct default for LDO1_CONTROL_2
  mfd: arizona: Register haptics devices
  mfd: wm8994: Make current device behaviour the default
  mfd: tps65090: MFD_TPS65090 needs to select REGMAP_IRQ
  mfd: Fix stmpe.c build when OF is not enabled
  mfd: jz4740-adc: Use devm_kzalloc
  ...
2012-12-16 18:55:20 -08:00
Linus Torvalds a2013a13e6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial branch from Jiri Kosina:
 "Usual stuff -- comment/printk typo fixes, documentation updates, dead
  code elimination."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  HOWTO: fix double words typo
  x86 mtrr: fix comment typo in mtrr_bp_init
  propagate name change to comments in kernel source
  doc: Update the name of profiling based on sysfs
  treewide: Fix typos in various drivers
  treewide: Fix typos in various Kconfig
  wireless: mwifiex: Fix typo in wireless/mwifiex driver
  messages: i2o: Fix typo in messages/i2o
  scripts/kernel-doc: check that non-void fcts describe their return value
  Kernel-doc: Convention: Use a "Return" section to describe return values
  radeon: Fix typo and copy/paste error in comments
  doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
  various: Fix spelling of "asynchronous" in comments.
  Fix misspellings of "whether" in comments.
  eisa: Fix spelling of "asynchronous".
  various: Fix spelling of "registered" in comments.
  doc: fix quite a few typos within Documentation
  target: iscsi: fix comment typos in target/iscsi drivers
  treewide: fix typo of "suport" in various comments and Kconfig
  treewide: fix typo of "suppport" in various comments
  ...
2012-12-13 12:00:02 -08:00
Linus Torvalds 698d601224 ARM: arm-soc: driver specific changes
A collection of mostly SoC-specific driver updates:
 - a handful of pincontrol and setup changes
 - new drivers for hwmon and reset controller for vexpress
 - timing support updates for OMAP (gpmc and other interfaces)
 - + a collection of smaller cleanups
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver specific changes from Olof Johansson:
 "A collection of mostly SoC-specific driver updates:
   - a handful of pincontrol and setup changes
   - new drivers for hwmon and reset controller for vexpress
   - timing support updates for OMAP (gpmc and other interfaces)
   - plus a collection of smaller cleanups"

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
  ARM: ux500: fix pin warning
  ARM: OMAP2+: tusb6010: generic timing calculation
  ARM: OMAP2+: smc91x: generic timing calculation
  ARM: OMAP2+: onenand: generic timing calculation
  ARM: OMAP2+: gpmc: generic timing calculation
  ARM: OMAP2+: gpmc: handle additional timings
  ARM: OMAP2+: nand: remove redundant rounding
  gpio: samsung: use pr_* instead of printk
  ARM: ux500: fixup magnetometer pins
  ARM: ux500: add STM pin configuration
  ARM: ux500: 8500: add pinctrl support for uart1 and uart2
  ARM: ux500: cosmetic fixups for uart0
  gpio: samsung: Fix input mode setting function for GPIO int
  ARM: SAMSUNG: Insert bitmap_gpio_int member in samsung_gpio_chip
  ARM: ux500: 8500: define SDI sleep states
  ARM: vexpress: Reset driver
  ARM: ux500: 8500: update SKE keypad pinctrl table
  hwmon: Versatile Express hwmon driver
  ARM: ux500: delete duplicate macro
  ARM: ux500: 8500: add IDLE pin configuration for SPI
  ...
2012-12-13 10:59:11 -08:00
Linus Torvalds db5b0ae007 ARM: arm-soc: device tree conversions and enablement
Continued device tree conversion and enablement across a number of
 platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
 smaller series as well.
 
 ux500 has seen continued conversion for platforms. Several platforms have
 seen pinctrl-via-devicetree conversions for simpler multiplatform. Tegra
 is adding data for new devices/drivers, and Exynos has a bunch of new
 bindings and devices added as well.
 
 So, pretty much the same progression in the right direction as the last
 few releases.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree conversions and enablement from Olof Johansson:
 "Continued device tree conversion and enablement across a number of
  platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
  smaller series as well.

  ux500 has seen continued conversion for platforms.  Several platforms
  have seen pinctrl-via-devicetree conversions for simpler
  multiplatform.  Tegra is adding data for new devices/drivers, and
  Exynos has a bunch of new bindings and devices added as well.

  So, pretty much the same progression in the right direction as the
  last few releases."

Fix up conflicts as per Olof.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
  ARM: ux500: Rename dbx500 cpufreq code to be more generic
  ARM: dts: add missing ux500 device trees
  ARM: ux500: Stop registering the PCM driver from platform code
  ARM: ux500: Move board specific GPIO info out to subordinate DTS files
  ARM: ux500: Disable the MMCI gpio-regulator by default
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ...
2012-12-13 10:39:26 -08:00
Linus Torvalds d01e4afdbb ARM: arm-soc: Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
 drivers. There's also a branch in here that enables Freescale i.MX to be
 part of the multiplatform support -- the first "big" SoC that is moved
 over (more multiplatform work comes in a separate branch later during
 the merge window).
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups on various subarchitectures from Olof Johansson:
 "Cleanup patches for various ARM platforms and some of their associated
  drivers.  There's also a branch in here that enables Freescale i.MX to
  be part of the multiplatform support -- the first "big" SoC that is
  moved over (more multiplatform work comes in a separate branch later
  during the merge window)."

Conflicts fixed as per Olof, including a silent semantic one in
arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to
omap3xxx_restart(), and a new user of the old name was added).

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits)
  ARM: omap: fix typo on timer cleanup
  ARM: EXYNOS: Remove unused regs-mem.h file
  ARM: EXYNOS: Remove unused non-dt support for dwmci controller
  ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
  ARM: OMAP3: cm-t3517: use GPTIMER for system clock
  ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
  ARM: SAMSUNG: use devm_ functions for ADC driver
  ARM: EXYNOS: no duplicate mask/unmask in eint0_15
  ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
  ARM: EXYNOS: Remove i2c0 resource information and setting of device names
  ARM: Kirkwood: checkpatch cleanups
  ARM: Kirkwood: Fix sparse warnings.
  ARM: Kirkwood: Remove unused includes
  ARM: kirkwood: cleanup lsxl board includes
  ARM: integrator: use BUG_ON where possible
  ARM: integrator: push down SC dependencies
  ARM: integrator: delete static UART1 mapping
  ARM: integrator: delete SC mapping on the CP
  ARM: integrator: remove static CP syscon mapping
  ARM: integrator: remove static AP syscon mapping
  ...
2012-12-12 11:51:39 -08:00
Linus Torvalds cff2f741b8 Driver core updates for 3.8-rc1
Here's the large driver core updates for 3.8-rc1.
 
 The biggest thing here is the various __dev* marking removals.  This is
 going to be a pain for the merge with different subsystem trees, I know,
 but all of the patches included here have been ACKed by their various
 subsystem maintainers, as they wanted them to go through here.
 
 If this is too much of a pain, I can pull all of them out of this tree
 and just send you one with the other fixes/updates and then, after
 3.8-rc1 is out, do the rest of the removals to ensure we catch them all,
 it's up to you.  The merges should all be trivial, and Stephen has been
 doing them all in linux-next for a few weeks now quite easily.
 
 Other than the __dev* marking removals, there's nothing major here, some
 firmware loading updates and other minor things in the driver core.
 
 All of these have (much to Stephen's annoyance), been in linux-next for
 a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg Kroah-Hartman:
 "Here's the large driver core updates for 3.8-rc1.

  The biggest thing here is the various __dev* marking removals.  This
  is going to be a pain for the merge with different subsystem trees, I
  know, but all of the patches included here have been ACKed by their
  various subsystem maintainers, as they wanted them to go through here.

  If this is too much of a pain, I can pull all of them out of this tree
  and just send you one with the other fixes/updates and then, after
  3.8-rc1 is out, do the rest of the removals to ensure we catch them
  all, it's up to you.  The merges should all be trivial, and Stephen
  has been doing them all in linux-next for a few weeks now quite
  easily.

  Other than the __dev* marking removals, there's nothing major here,
  some firmware loading updates and other minor things in the driver
  core.

  All of these have (much to Stephen's annoyance), been in linux-next
  for a while.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fixed up trivial conflicts in drivers/gpio/gpio-{em,stmpe}.c due to gpio
update.

* tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (93 commits)
  modpost.c: Stop checking __dev* section mismatches
  init.h: Remove __dev* sections from the kernel
  acpi: remove use of __devinit
  PCI: Remove __dev* markings
  PCI: Always build setup-bus when PCI is enabled
  PCI: Move pci_uevent into pci-driver.c
  PCI: Remove CONFIG_HOTPLUG ifdefs
  unicore32/PCI: Remove CONFIG_HOTPLUG ifdefs
  sh/PCI: Remove CONFIG_HOTPLUG ifdefs
  powerpc/PCI: Remove CONFIG_HOTPLUG ifdefs
  mips/PCI: Remove CONFIG_HOTPLUG ifdefs
  microblaze/PCI: Remove CONFIG_HOTPLUG ifdefs
  dma: remove use of __devinit
  dma: remove use of __devexit_p
  firewire: remove use of __devinitdata
  firewire: remove use of __devinit
  leds: remove use of __devexit
  leds: remove use of __devinit
  leds: remove use of __devexit_p
  mmc: remove use of __devexit
  ...
2012-12-11 13:13:55 -08:00
Linus Torvalds b0885d01f9 GPIO follow up patch and type change for v3.5 merge window
Primarily device driver additions, features and bug fixes. Not much
 touching gpio common subsystem support. Should not be scary.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO updates from Grant Likely:
 "GPIO follow up patch and type change for v3.5 merge window

  Primarily device driver additions, features and bug fixes.  Not much
  touching gpio common subsystem support.  Should not be scary."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  gpio: Provide the STMPE GPIO driver with its own IRQ Domain
  gpio: add TS-5500 DIO blocks support
  gpio: pcf857x: use client->irq for gpio_to_irq()
  gpio: stmpe: Add DT support for stmpe gpio
  gpio: pl061 depends on ARM
  gpio/pl061: remove old comment
  gpio: SPEAr: add spi chipselect control driver
  gpio: gpio-max710x: Support device tree probing
  gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration
  gpio: tegra: read output value when gpio is set in direction_out
  gpio: pca953x: Add compatible strings to gpio-pca953x driver
  gpio: pca953x: Register an IRQ domain
  gpio: mvebu: Set free callback for gpio_chip
  gpio: tegra: Drop exporting static functions
  gpio: tegra: Staticize non-exported symbols
  gpio: tegra: fix suspend/resume apis
  gpio-pch: Set parent dev for gpio chip
  gpio: em: Fix build errors
  GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()
  gpio/tc3589x: convert to use the simple irqdomain
  ...
2012-12-11 13:00:56 -08:00
Linus Torvalds bad73c5aa0 ACPI and power management updates for 3.8-rc1
* Introduction of device PM QoS flags.
 
 * ACPI device power management update allowing subsystems other than
   PCI to use it more easily.
 
 * ACPI device enumeration rework allowing additional kinds of devices
   to be enumerated via ACPI.  From Mika Westerberg, Adrian Hunter,
   Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.
 
 * ACPICA update to version 20121018 from Bob Moore and Lv Zheng.
 
 * ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.
 
 * Introduction of acpi_handle_<level>() messaging macros and ACPI-based CPU
   hot-remove support from Toshi Kani.
 
 * ACPI EC updates from Feng Tang.
 
 * cpufreq updates from Viresh Kumar, Fabio Baltieri and others.
 
 * cpuidle changes to quickly notice governor prediction failure from
   Youquan Song.
 
 * Support for using multiple cpuidle drivers at the same time and cpuidle
   cleanups from Daniel Lezcano.
 
 * devfreq updates from Nishanth Menon and others.
 
 * cpupower update from Thomas Renninger.
 
 * Fixes and small cleanups all over the place.
 
 --
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Merge tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:

 - Introduction of device PM QoS flags.

 - ACPI device power management update allowing subsystems other than
   PCI to use it more easily.

 - ACPI device enumeration rework allowing additional kinds of devices
   to be enumerated via ACPI.  From Mika Westerberg, Adrian Hunter,
   Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.

 - ACPICA update to version 20121018 from Bob Moore and Lv Zheng.

 - ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.

 - Introduction of acpi_handle_<level>() messaging macros and ACPI-based
   CPU hot-remove support from Toshi Kani.

 - ACPI EC updates from Feng Tang.

 - cpufreq updates from Viresh Kumar, Fabio Baltieri and others.

 - cpuidle changes to quickly notice governor prediction failure from
   Youquan Song.

 - Support for using multiple cpuidle drivers at the same time and
   cpuidle cleanups from Daniel Lezcano.

 - devfreq updates from Nishanth Menon and others.

 - cpupower update from Thomas Renninger.

 - Fixes and small cleanups all over the place.

* tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (196 commits)
  mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6
  ACPI: add Haswell LPSS devices to acpi_platform_device_ids list
  ACPI: add documentation about ACPI 5 enumeration
  pnpacpi: fix incorrect TEST_ALPHA() test
  ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.h
  ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000
  ACPI : do not use Lid and Sleep button for S5 wakeup
  ACPI / PNP: Do not crash due to stale pointer use during system resume
  ACPI / video: Add "Asus UL30VT" to ACPI video detect blacklist
  ACPI: do acpisleep dmi check when CONFIG_ACPI_SLEEP is set
  spi / ACPI: add ACPI enumeration support
  gpio / ACPI: add ACPI support
  PM / devfreq: remove compiler error with module governors (2)
  cpupower: IvyBridge (0x3a and 0x3e models) support
  cpupower: Provide -c param for cpupower monitor to schedule process on all cores
  cpupower tools: Fix warning and a bug with the cpu package count
  cpupower tools: Fix malloc of cpu_info structure
  cpupower tools: Fix issues with sysfs_topology_read_file
  cpupower tools: Fix minor warnings
  cpupower tools: Update .gitignore for files created in the debug directories
  ...
2012-12-11 12:45:35 -08:00
Linus Torvalds 505cbedab9 This is the pinctrl big pull request for v3.8.
As can be seen from the diffstat the major changes
 are:
 
 - A big conversion of the AT91 pinctrl driver and
   the associated ACKed platform changes under
   arch/arm/max-at91 and its device trees. This
   has been coordinated with the AT91 maintainers
   to go in through the pinctrl tree.
 
 - A larger chunk of changes to the SPEAr drivers
   and the addition of the "plgpio" driver for the
   SPEAr as well.
 
 - The removal of the remnants of the Nomadik driver
   from the arch/arm tree and fusion of that into
   the Nomadik driver and platform data header files.
 
 - Some local movement in the Marvell MVEBU drivers,
   these now have their own subdirectory.
 
 - The addition of a chunk of code to gpiolib under
   drivers/gpio to register gpio-to-pin range mappings
   from the GPIO side of things. This has been
   requested by Grant Likely and is now implemented,
   it is particularly useful for device tree work.
 
 Then we have incremental updates all over the place,
 many of these are cleanups and fixes from Axel Lin
 who has done a great job of removing minor mistakes
 and compilation annoyances.
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Merge tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl changes from Linus Walleij:
 "These are the first and major pinctrl changes for the v3.8 merge
  cycle.  Some of this is used as merge base for other trees so I better
  be early on the trigger.

  As can be seen from the diffstat the major changes are:

  - A big conversion of the AT91 pinctrl driver and the associated ACKed
    platform changes under arch/arm/max-at91 and its device trees.  This
    has been coordinated with the AT91 maintainers to go in through the
    pinctrl tree.

  - A larger chunk of changes to the SPEAr drivers and the addition of
    the "plgpio" driver for the SPEAr as well.

  - The removal of the remnants of the Nomadik driver from the arch/arm
    tree and fusion of that into the Nomadik driver and platform data
    header files.

  - Some local movement in the Marvell MVEBU drivers, these now have
    their own subdirectory.

  - The addition of a chunk of code to gpiolib under drivers/gpio to
    register gpio-to-pin range mappings from the GPIO side of things.
    This has been requested by Grant Likely and is now implemented, it
    is particularly useful for device tree work.

  Then we have incremental updates all over the place, many of these are
  cleanups and fixes from Axel Lin who has done a great job of removing
  minor mistakes and compilation annoyances."

* tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (114 commits)
  ARM: mmp: select PINCTRL for ARCH_MMP
  pinctrl: Drop selecting PINCONF for MMP2, PXA168 and PXA910
  pinctrl: pinctrl-single: Fix error check condition
  pinctrl: SPEAr: Update error check for unsigned variables
  gpiolib: Fix use after free in gpiochip_add_pin_range
  gpiolib: rename pin range arguments
  pinctrl: single: support gpio request and free
  pinctrl: generic: add input schmitt disable parameter
  pinctrl/u300/coh901: stop spawning pinctrl from GPIO
  pinctrl/u300/coh901: let the gpio_chip register the range
  pinctrl: add function to retrieve range from pin
  gpiolib: return any error code from range creation
  pinctrl: make range registration defer properly
  gpiolib: rename find_pinctrl_*
  gpiolib: let gpiochip_add_pin_range() specify offset
  ARM: at91: pm9g45: add mmc support
  ARM: at91: Animeo IP: add mmc support
  ARM: at91: dt: add mmc pinctrl for Atmel reference boards
  ARM: at91: dt: at91sam9: add mmc pinctrl support
  ARM: at91/dts: add nodes for atmel hsmci controllers for atmel boards
  ...
2012-12-11 11:21:33 -08:00
Lee Jones fc13d5a5b1 gpio: Provide the STMPE GPIO driver with its own IRQ Domain
The STMPE GPIO driver can be used as an IRQ controller by some
related devices. Here we provide it with its very own IRQ Domain
so that IRQs can be issued dynamically. This will stand the
driver in good stead when it is enabled for Device Tree, as this
it a prerequisite.

Cc: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-10 11:23:30 +01:00
Vivien Didelot 759f5f3752 gpio: add TS-5500 DIO blocks support
Technologic Systems TS-5500 provides digital I/O lines exposed through
pin blocks. On this platform, there are three of them, named DIO1, DIO2
and LCD port, that may be used as a DIO block.

The TS-5500 pin blocks are described in the product's wiki:
http://wiki.embeddedarm.com/wiki/TS-5500#Digital_I.2FO

This driver is not limited to the TS-5500 blocks. It can be extended to
support similar boards pin blocks, such as on the TS-5600.

This patch is the V2 of the previous https://lkml.org/lkml/2012/9/25/671
with corrections suggested by Linus Walleij.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-10 11:23:25 +01:00
Kuninori Morimoto 805f864ebe gpio: pcf857x: use client->irq for gpio_to_irq()
6e20a0a429
(gpio: pcf857x: enable gpio_to_irq() support)
added gpio_to_irq() support on pcf857x driver,
but it used pdata->irq.
This patch modifies driver to use client->irq instead of it.
It modifies kzm9g board platform settings,
and device probe information too.
This patch is tested on kzm9g board

Reported-by: Christian Engelmayer <christian.engelmayer@frequentis.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-07 09:16:12 +01:00
Masanari Iida e41e85cc17 treewide: Fix typos in various Kconfig
Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-03 11:03:56 +01:00
Vipul Kumar Samar 86605cfe8c gpio: stmpe: Add DT support for stmpe gpio
This patch allows the STMPE GPIO driver to be successfully probed and
initialised when Device Tree support is enabled. Bindings are mentioned in
Documentation too.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-01 17:45:16 +01:00
Alessandro Rubini 8618b3b47c gpio: pl061 depends on ARM
Commit dece904d (gpio: pl061: use chained_irq_* functions in irq
handler) introduced chained_irq_enter/exit, which is only
available for arch/arm and the driver won't compile elsewhere.

The dependency is thus made explicit, because AMBA is used in the x86
world by a PCI-to-AMBA bridge, to be submitted.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-01 16:10:28 +01:00
Rafael J. Wysocki d9ba1025a4 Merge branch 'acpi-enumeration'
* acpi-enumeration:
  spi / ACPI: add ACPI enumeration support
  gpio / ACPI: add ACPI support
2012-11-30 12:38:51 +01:00
Mathias Nyman e29482e848 gpio / ACPI: add ACPI support
Add support for translating ACPI GPIO pin numbers to Linux GPIO API pins.
Needs a gpio controller driver with the acpi handler hook set.

Drivers can use acpi_get_gpio() to translate ACPI5 GpioIO and GpioInt
resources to Linux GPIO's.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30 12:37:36 +01:00
Baruch Siach 835c192f36 gpio/pl061: remove old comment
Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one
spinlock in struct pl061_gpio.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-11-30 11:12:07 +00:00
Bill Pemberton 206210ce68 gpio: remove use of __devexit
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton b5ba78de76 gpio: remove use of __devinitconst
CONFIG_HOTPLUG is going away as an option so __devinitconst is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton aeca8ad1f0 gpio: remove use of __devinitdata
CONFIG_HOTPLUG is going away as an option so __devinitdata is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton 3836309d93 gpio: remove use of __devinit
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:33 -08:00
Bill Pemberton 8283c4ff57 gpio: remove use of __devexit_p
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:36:36 -08:00
Olof Johansson 0dfeada909 orion dt for v3.8
- ehci-orion dt binding
  - gpio-poweroff
  - use dt regulators
  - move mpp to DT/pinctrl
 
 Depends on:
 
  - orion/boards
 
     - merge conflicts
        - keep all 'select's in Kconfig
        - remove all #includes in board-*.c
 
  - pinctrl/devel up to:
 
     - 06763c7 pinctrl: mvebu: move to its own directory
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Merge tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux into next/dt

From Jason Cooper:
orion dt for v3.8

 - ehci-orion dt binding
 - gpio-poweroff
 - use dt regulators
 - move mpp to DT/pinctrl

Depends on:

 - orion/boards

    - merge conflicts
       - keep all 'select's in Kconfig
       - remove all #includes in board-*.c

 - pinctrl/devel up to:

    - 06763c7 pinctrl: mvebu: move to its own directory

* tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux: (211 commits)
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ARM: Kirkwood: Convert dnskw to pinctrl
  ARM: Kirkwood: Convert iConnect to pinctrl.
  ARM: Kirkwood: Convert TS219 to pinctrl.
  ARM: Kirkwood: Add DTSI files for pinctrl
  ARM: Kirkwood: Make use of mvebu pincltl and gpio drivers
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-26 01:09:53 -08:00
Olof Johansson 0f9cb211ba Linux 3.7-rc7
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Merge tag 'v3.7-rc7' into next/cleanup

Merging in mainline back to next/cleanup since it has collected a few
conflicts between fixes going upstream and some of the cleanup patches.
Git doesn't auto-resolve some of them, and they're mostly noise so let's
take care of it locally.

Conflicts are in:
	arch/arm/mach-omap2/omap_hwmod_44xx_data.c
	arch/arm/plat-omap/i2c.c
	drivers/video/omap2/dss/dss.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-25 21:34:34 -08:00
Andrew Lunn 49e928d6cf GPIO: mvebu: Allow all plat-orion platforms.
Kirkwood & Dove can also use this driver, so expand the scope to
include all platform orion devices.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-24 02:57:31 +00:00
Olof Johansson 24025f6f58 Merge branch 'next/dt-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:

Here is Samsung DT for v3.8 and this is including DT for EXYNOS4X12
SoC, SMDK4412 board, pinctrl for exynos4x12, TMU, MFC, SATA and SATA
PHY.

As I commented on [4/7], this branch merged pinctrl/samsung to support
pinctrl for exynos4x12 without useless merge conflicts.

* 'next/dt-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (32 commits)
  ARM: EXYNOS: DT Support for SATA and SATA PHY
  ARM: dts: Remove broken-voltage property from sdhci node for exynos4210-trats
  ARM: dts: Add node for touchscreen for exynos4210-trats
  ARM: dts: Add node for touchscreen voltage regulator for exynos4210-trats
  ARM: dts: Add node for i2c3 bus for exynos4210-trats
  ARM: dts: Add nodes for GPIO keys available on Trats
  ARM: dts: Update for pinctrl-samsung driver for exynos4210-trats
  ARM: dts: Add nodes for pin controllers for exynos4x12
  pinctrl: samsung: Add support for EXYNOS4X12
  gpio: samsung: Skip registration if pinctrl driver is present on EXYNOS4X12
  ARM: EXYNOS: Skip wakeup-int setup if pinctrl driver is used on EXYNOS4X12
  ARM: dts: add board dts file for EXYNOS4412 based SMDK board
  ARM: dts: Add support for EXYNOS4X12 SoCs
  ARM: EXYNOS: Add devicetree node for TMU driver for exynos5
  ARM: EXYNOS: Add devicetree node for TMU driver for exynos4
  ARM: EXYNOS: Add MFC device tree support
  ARM: dts: Enable serial controllers on Origen and SMDKV310
  Documentation: Update samsung-pinctrl device tree bindings documentation
  pinctrl: samsung: Add GPIO to IRQ translation
  pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT
  ...

Add/add conflicts in:
	arch/arm/boot/dts/exynos5250-smdk5250.dts
	arch/arm/boot/dts/exynos5250.dtsi
	arch/arm/mach-exynos/mach-exynos5-dt.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-21 11:30:32 -08:00
Olof Johansson 4aa7cf79b1 Merge branch 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim:
This is for Samsung gpio stuff and got the ack from Linus Walleij.

* 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  gpio: samsung: use pr_* instead of printk
  gpio: samsung: Fix input mode setting function for GPIO int
  ARM: SAMSUNG: Insert bitmap_gpio_int member in samsung_gpio_chip
2012-11-21 10:13:53 -08:00
Peter Ujfalusi 14591d888e mfd/rtc/gpio: twl: No need to allocate bigger buffer for write
Since the twl-core has been converted to use regmap it is no longer needed
to allocate bigger buffer for data when writing to twl.

CC: Grant Likely <grant.likely@secretlab.ca>
CC: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-21 16:08:00 +01:00
Axel Lin b4d4b1f087 gpiolib: Fix use after free in gpiochip_add_pin_range
This is introduced by commit 9ab6e988
"gpiolib: return any error code from range creation".

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 10:08:05 +01:00
Linus Walleij 316511c013 gpiolib: rename pin range arguments
To be crystal clear on what the arguments mean in this
funtion dealing with both GPIO and PIN ranges with confusing
naming, we now have gpio_offset and pin_offset and we are
on the clear that these are offsets into the specific GPIO
and pin controller respectively. The GPIO chip itself will
of course keep track of the base offset into the global
GPIO number space.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 10:07:48 +01:00
Linus Walleij 8f23ca1a73 gpiolib: return any error code from range creation
If we try to create a range for a certain GPIO chip and the
target pin controller is not yet available it may return
a probe deferral error code, so handle this all the way
our by checking the error code.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:11 +01:00
Linus Walleij 192c369c61 gpiolib: rename find_pinctrl_*
Rename the function find_pinctrl_and_add_gpio_range()
to pinctrl_find_and_add_gpio_range() so as to be consistent
with the rest of the functions.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:10 +01:00
Linus Walleij 3f0f867060 gpiolib: let gpiochip_add_pin_range() specify offset
Like with commit 3c739ad0df
it is not always enough to specify all the pins of a gpio_chip
from offset zero to be added to a pin map range, since the
mapping from GPIO to pin controller may not be linear at all,
but need to be broken into a few consecutive sub-ranges or
1-pin entries for complicated cases. The ranges may also be
sparse.

This alters the signature of the function to accept offsets
into both the GPIO-chip local pinspace and the pin controller
local pinspace.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:03 +01:00