Commit Graph

22404 Commits

Author SHA1 Message Date
Linus Torvalds 065c8012b2 arm-soc: fixes for v3.7-rc3
Bug fixes for a number of ARM platforms, mostly OMAP, imx and at91.
 These come a little later than I had hoped but unfortunately we
 had a few of these patches cause regressions themselves and had to
 work out how to deal with those in the meantime.
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Merge tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc fixes from Arnd Bergmann:
 "Bug fixes for a number of ARM platforms, mostly OMAP, imx and at91.

  These come a little later than I had hoped but unfortunately we had a
  few of these patches cause regressions themselves and had to work out
  how to deal with those in the meantime."

* tag 'fixes-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  Revert "ARM i.MX25: Fix PWM per clock lookups"
  ARM: versatile: fix versatile_defconfig
  ARM: mvebu: update defconfig with 3.7 changes
  ARM: at91: fix at91x40 build
  ARM: socfpga: Fix socfpga compilation with early_printk() enabled
  ARM: SPEAr: Remove unused empty files
  MAINTAINERS: Add arm-soc tree entry
  ARM: dts: mxs: add the "clock-names" for gpmi-nand
  ARM: ux500: Correct SDI5 address and add some format changes
  ARM: ux500: Specify AMBA Primecell IDs for Nomadik I2C in DT
  ARM: ux500: Fix build error relating to IRQCHIP_SKIP_SET_WAKE
  ARM: at91: drop duplicated config SOC_AT91SAM9 entry
  ARM: at91/i2c: change id to let i2c-at91 work
  ARM: at91/i2c: change id to let i2c-gpio work
  ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
  ARM: at91: fix external interrupt specification in board code
  ARM: at91: fix external interrupts in non-DT case
  ARM: at91: at91sam9g10: fix SOC type detection
  ARM: at91/tc: fix typo in the DT document
  ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
  ...
2012-10-28 11:12:38 -07:00
Arnd Bergmann 943bb48755 Revert "ARM i.MX25: Fix PWM per clock lookups"
This reverts commit 92063cee11, it
was applied prematurely, causing this build error for
imx_v4_v5_defconfig:

arch/arm/mach-imx/clk-imx25.c: In function 'mx25_clocks_init':
arch/arm/mach-imx/clk-imx25.c:206:26: error: 'pwm_ipg_per' undeclared (first use in this function)
arch/arm/mach-imx/clk-imx25.c:206:26: note: each undeclared identifier is reported only once for each function it appears in

Sascha Hauer explains:
> There are several gates missing in clk-imx25.c. I have a patch which
> adds support for them and I seem to have missed that the above depends
> on it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-27 17:46:56 +02:00
Arnd Bergmann 5b627ba0f5 ARM: versatile: fix versatile_defconfig
With the introduction of CONFIG_ARCH_MULTIPLATFORM, versatile is
no longer the default platform, so we need to enable
CONFIG_ARCH_VERSATILE explicitly in order for that to be selected
rather than the multiplatform configuration.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-27 17:46:56 +02:00
Thomas Petazzoni e09348c757 ARM: mvebu: update defconfig with 3.7 changes
The split of 370 and XP into two Kconfig options and the multiplatform
kernel support has changed a few Kconfig symbols, so let's update the
mvebu_defconfig file with the latest changes.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-27 17:46:55 +02:00
Arnd Bergmann 0654f4ab2b ARM: at91: fix at91x40 build
patch 738a0fd7 "ARM: at91: fix external interrupts in non-DT case"
fixed a run-time error on some at91 platforms but did not apply
the same change to at91x40, which now doesn't build.

This changes at91x40 in the same way that the other platforms
were changed.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2012-10-27 17:46:48 +02:00
Linus Torvalds 6ad2c73d11 Serial fix for 3.7-rc3
Here is one patch, a revert of a omap serial driver patch that was causing
 problems, for your 3.7-rc tree.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull serial fix from Greg Kroah-Hartman:
 "Here is one patch, a revert of a omap serial driver patch that was
  causing problems, for your 3.7-rc tree.

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

* tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "serial: omap: fix software flow control"
2012-10-26 10:26:08 -07:00
Arnd Bergmann 1dc506a551 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7779: I/O address abuse cleanup
2012-10-26 15:11:30 +02:00
Arnd Bergmann 389a84d2c1 Merge branch 'v3.7-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim <kgene.kim@samsung.com>:

One is spi stuff for fix the device names for the different subtypes of
the spi controller. And the other is adding missing .smp field for
exynos4-dt and fixing memory sections for exynos4210-trats board.

* 'v3.7-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Set .smp field of machine descriptor for exynos4-dt
  ARM: dts: Split memory into 4 sections for exynos4210-trats
  ARM: SAMSUNG: Add naming of s3c64xx-spi devices

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-26 14:45:06 +02:00
Marek Szyprowski 6975758966 Revert "ARM: dma-mapping: support debug_dma_mapping_error"
This reverts commit 871ae57adc, which is
scheduled for v3.8 and accidently got into v3.7-rc series.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-26 07:39:13 +02:00
Linus Torvalds 6bb1e3819c Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "A random collection of various fixes, mainly from Arnd and a few other
  people.  Not thing really stands out here."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: drop experimental status for hotplug and Thumb2
  ARM: 7560/1: SMP_TWD: use DIV_ROUND_CLOSEST() for periodic mode
  ARM: 7559/1: smp: switch away from the idmap before updating init_mm.mm_count
  ARM: 7556/1: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
  ARM: 7555/1: kexec: fix segment memory addresses check
  ARM: warnings in arch/arm/include/asm/uaccess.h
  ARM: binfmt_flat: unused variable 'persistent'
  ARM: be really quiet when building with 'make -s'
  ARM: pass -marm to gcc by default for both C and assembler
  ARM: Xen: fix initial build problems
  ARM: export default read_current_timer
  ARM: Fix another build warning in arch/arm/mm/alignment.c
  ARM: export set_irq_flags
  ARM: kprobes: make more tests conditional
2012-10-25 15:59:34 -07:00
Linus Torvalds cff7b8ba60 Merge branch 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull CMA and DMA-mapping fixes from Marek Szyprowski:
 "This consists mainly of a set of one-liner fixes and cleanups for a
  few minor issues identified in both Contiguous Memory Allocator code
  and ARM DMA-mapping subsystem."

* 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  ARM: mm: Remove unused arm_vmregion priv field
  ARM: dma-mapping: fix build warning in __dma_alloc()
  ARM: dma-mapping: support debug_dma_mapping_error
  mm: cma: alloc_contig_range: return early for err path
  drivers: cma: Fix wrong CMA selected region size default value
  drivers: dma-coherent: Fix typo in dma_mmap_from_coherent documentation
  drivers: dma-contiguous: Don't redefine SZ_1M
2012-10-25 15:57:48 -07:00
Pavel Machek ef3f94412a ARM: socfpga: Fix socfpga compilation with early_printk() enabled
This fixes early_printk() compilation for
socfpga. (senduart/busyuart/waituart were missing). It does that by
making Picochip code generic.

Signed-off-by: Pavel Machek <pavel@denx.de>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 16:52:53 +02:00
Viresh Kumar 5e3059b2cb ARM: SPEAr: Remove unused empty files
Few empty files (spear1310_misc_regs.h and spear1340_misc_regs.h) are created by
commit b31e23726 "SPEAr13xx: Add header files".

Don't know how they got added, obviously my fault :)
But nobody could even catch them in reviews.

Remove them.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 16:34:18 +02:00
Arnd Bergmann 14d188bbac Timer fix for am33xx, runtime PM fix for UART, audio McBSP fixes,
mux and pinctrl fixes, and Beagle OPP fix.
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Merge tag 'omap-for-v3.7-rc2/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren <tony@atomide.com>:

Timer fix for am33xx, runtime PM fix for UART, audio McBSP fixes,
mux and pinctrl fixes, and Beagle OPP fix.

* tag 'omap-for-v3.7-rc2/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
  ARM: OMAP3: Beagle: fix OPP customization and initcall ordering
  ARM: OMAP3: Fix 3430 legacy mux names for ssi1 signals.
  ARM: OMAP2+: Fix location of select PINCTRL
  ARM/dts: omap3: Fix mcbsp2/3 hwmods to be able to probe the drivers for audio
  ARM: OMAP2: UART: fix console UART mismatched runtime PM status
  ARM: OMAP3: PM: apply part of the erratum i582 workaround

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 16:25:25 +02:00
Arnd Bergmann 3529e730b5 ARM i.MX fixes for 3.7-rc
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Merge tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes

Patches from Sascha Hauer <s.hauer@pengutronix.de>:

ARM i.MX fixes for 3.7-rc

* tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6:
  ARM i.MX25: Fix PWM per clock lookups
  ARM i.MX25 clk: Fix nfc_ipg_per parent
  ARM i.MX25: Fix lcdc_ipg_per parent clock
  ARM: mxc: platform-mxc-mmc: Fix register region size
  ARM: imx: clk-imx27: Fix divider width field
  ARM: imx: fix the return value check in imx_clk_busy_divider()
  ARM: imx_v6_v7_defconfig: Enable CONFIG_GPIO_MC9S08DZ60
  ARM: imx: fix return value check in imx3_init_l2x0()

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 15:57:40 +02:00
Arnd Bergmann bc20debaa9 Merge branch 'for-rcs-3.7' of git://git.linaro.org/people/ljones/linux-3.0-ux500 into fixes
* 'for-rcs-3.7' of git://git.linaro.org/people/ljones/linux-3.0-ux500:
  ARM: ux500: Correct SDI5 address and add some format changes
  ARM: ux500: Specify AMBA Primecell IDs for Nomadik I2C in DT
  ARM: ux500: Fix build error relating to IRQCHIP_SKIP_SET_WAKE

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 15:49:01 +02:00
Arnd Bergmann 2adca5672f A mix of typos and critical fixes.
The most important ones are a duplicated definition of a Kconfig
 variable and the handling of external interrupts for non-DT case.
 The new at91sam9g10 was suffering a recognition issue due to an ID
 mis-interpreted: this was leading to a kernel panic.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

From  Nicolas Ferre <nicolas.ferre@atmel.com>:

A mix of typos and critical fixes.
The most important ones are a duplicated definition of a Kconfig
variable and the handling of external interrupts for non-DT case.
The new at91sam9g10 was suffering a recognition issue due to an ID
mis-interpreted: this was leading to a kernel panic.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91: (257 commits)
  ARM: at91: drop duplicated config SOC_AT91SAM9 entry
  ARM: at91/i2c: change id to let i2c-at91 work
  ARM: at91/i2c: change id to let i2c-gpio work
  ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
  ARM: at91: fix external interrupt specification in board code
  ARM: at91: fix external interrupts in non-DT case
  ARM: at91: at91sam9g10: fix SOC type detection
  ARM: at91/tc: fix typo in the DT document

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 15:47:35 +02:00
Huang Shijie b644255995 ARM: dts: mxs: add the "clock-names" for gpmi-nand
The current DT nodes for mx23/mx28 miss the `clocks-names` item for gpmi-nand.
So the gpmi-nand driver could not find the proper clock.

This patch fixes this issue.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-25 15:22:34 +02:00
Lee Jones 76ff4e4347 ARM: ux500: Correct SDI5 address and add some format changes
Here we fix a simple copy and paste error and bring some node
spaces back into line with the remainder of the tree.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-10-25 08:46:20 +01:00
Lee Jones 35b33d230f ARM: ux500: Specify AMBA Primecell IDs for Nomadik I2C in DT
Now the Nomadik I2C driver has been converted to an AMBA one, we
are required to provide the Primecell IDs via platform code. When
booting with DT enabled these have to be specified in the device
nodes. We do that here.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-10-25 08:44:00 +01:00
Lee Jones 1ae325574c ARM: ux500: Fix build error relating to IRQCHIP_SKIP_SET_WAKE
This patch fixes the build error below:

arch/arm/mach-ux500/cpu.c: In function ‘ux500_init_irq’:
arch/arm/mach-ux500/cpu.c:55:2: error: invalid use of undefined type ‘struct irq_chip’
arch/arm/mach-ux500/cpu.c:55:24: error: ‘IRQCHIP_SKIP_SET_WAKE’ undeclared (first use in this function)
arch/arm/mach-ux500/cpu.c:55:24: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mach-ux500/cpu.c:55:48: error: ‘IRQCHIP_MASK_ON_SUSPEND’ undeclared (first use in this function)

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2012-10-25 08:43:49 +01:00
Felipe Balbi a4f743851f Revert "serial: omap: fix software flow control"
This reverts commit 957ee7270d
(serial: omap: fix software flow control).

As Russell has pointed out, that commit isn't fixing
Software Flow Control at all, and it actually makes
it even more broken.

It was agreed to revert this commit and use Russell's
latest UART patches instead.

Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-24 11:57:21 -07:00
Jean-Christophe PLAGNIOL-VILLARD 08d04a135a ARM: at91: drop duplicated config SOC_AT91SAM9 entry
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2012-10-24 18:08:48 +02:00
Bo Shen 302090a66b ARM: at91/i2c: change id to let i2c-at91 work
The i2c core driver will turn the platform device ID to busnum
When using platfrom device ID as -1, it means dynamically assigned
the busnum. When writing code, we need to make sure the busnum,
and call i2c_register_board_info(int busnum, ...) to register device
if using -1, we do not know the value of busnum

In order to solve this issue, set the platform device ID as a fix number
Here using 0 to match the busnum used in i2c_regsiter_board_info()

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
2012-10-24 18:08:48 +02:00
Bo Shen 7840487cd6 ARM: at91/i2c: change id to let i2c-gpio work
The i2c core driver will turn the platform device ID to busnum
When using platfrom device ID as -1, it means dynamically assigned
the busnum. When writing code, we need to make sure the busnum,
and call i2c_register_board_info(int busnum, ...) to register device
if using -1, we do not know the value of busnum

In order to solve this issue, set the platform device ID as a fix number
Here using 0 to match the busnum used in i2c_regsiter_board_info()

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable <stable@vger.kernel.org> [very long time]
2012-10-24 18:08:48 +02:00
Marek Belisko b6edfbeacd ARM: at91/dts: at91sam9g20ek_common: Fix typos in buttons labels.
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2012-10-24 18:08:47 +02:00
Nicolas Ferre 69e7ea04c9 ARM: at91: fix external interrupt specification in board code
Since the switch to sparse irq, we have to add the NR_IRQS_LEGACY
offset to static irq numbers. It has been forgotten on these
SPI irq definitions in board code.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable <stable@vger.kernel.org> [v3.6]
2012-10-24 18:08:47 +02:00
Nicolas Ferre 738a0fd752 ARM: at91: fix external interrupts in non-DT case
Management of external interrupts has changed but the
non-DT code has not integrated these changes.
Add a mask to pass external irq specification from SoC
specific code to the at91_aic_init() function.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable <stable@vger.kernel.org> [v3.6]
2012-10-24 18:08:40 +02:00
Ivan Shugov 3d9a0183dd ARM: at91: at91sam9g10: fix SOC type detection
Newer at91sam9g10 SoC revision can't be detected, so the kernel can't boot with
this kind of kernel panic:
"AT91: Impossible to detect the SOC type"

CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Atmel AT91SAM9G10-EK
Ignoring tag cmdline (using the default kernel command line)
bootconsole [earlycon0] enabled
Memory policy: ECC disabled, Data cache writeback
Kernel panic - not syncing: AT91: Impossible to detect the SOC type
[<c00133d4>] (unwind_backtrace+0x0/0xe0) from [<c02366dc>] (panic+0x78/0x1cc)
[<c02366dc>] (panic+0x78/0x1cc) from [<c02fa35c>] (at91_map_io+0x90/0xc8)
[<c02fa35c>] (at91_map_io+0x90/0xc8) from [<c02f9860>] (paging_init+0x564/0x6d0)
[<c02f9860>] (paging_init+0x564/0x6d0) from [<c02f7914>] (setup_arch+0x464/0x704)
[<c02f7914>] (setup_arch+0x464/0x704) from [<c02f44f8>] (start_kernel+0x6c/0x2d4)
[<c02f44f8>] (start_kernel+0x6c/0x2d4) from [<20008040>] (0x20008040)

The reason for this is that the Debug Unit Chip ID Register has changed between
Engineering Sample and definitive revision of the SoC. Changing the check of
cidr to socid will address the problem. We do not integrate this check to the
list just above because we also have to make sure that the extended id is
disregarded.

Signed-off-by: Ivan Shugov <ivan.shugov@gmail.com>
[nicolas.ferre@atmel.com: change commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: stable <stable@vger.kernel.org> [v3.1] # since commit 8c3583b6
2012-10-24 18:04:16 +02:00
Laurent Pinchart 4e85fb831a ARM: mm: Remove unused arm_vmregion priv field
Commit e9da6e9905 ("ARM: dma-mapping:
remove custom consistent dma region") removed the last users of the
field. Remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-24 07:38:15 +02:00
Jingoo Han 3dd7ea9220 ARM: dma-mapping: fix build warning in __dma_alloc()
Fix build warning in __dma_alloc() as below:

arch/arm/mm/dma-mapping.c: In function '__dma_alloc':
arch/arm/mm/dma-mapping.c:653:29: warning: 'page' may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-24 07:38:15 +02:00
Linus Torvalds 0e9e3e306c Bug-fixes:
* Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
    of the %eip when returning from a signal handler.
  * Fix various ARM compile issues after the merge fallout.
  * Continue on making more of the Xen generic code usable by ARM platform.
  * Fix SR-IOV passthrough to mirror multifunction PCI devices.
  * Fix various compile warnings.
  * Remove hypercalls that don't exist anymore.
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Merge tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull xen bug-fixes from Konrad Rzeszutek Wilk:
 - Fix mysterious SIGSEGV or SIGKILL in applications due to corrupting
   of the %eip when returning from a signal handler.
 - Fix various ARM compile issues after the merge fallout.
 - Continue on making more of the Xen generic code usable by ARM
   platform.
 - Fix SR-IOV passthrough to mirror multifunction PCI devices.
 - Fix various compile warnings.
 - Remove hypercalls that don't exist anymore.

* tag 'stable/for-linus-3.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: dbgp: Fix warning when CONFIG_PCI is not enabled.
  xen: arm: comment on why 64-bit xen_pfn_t is safe even on 32 bit
  xen: balloon: use correct type for frame_list
  xen/x86: don't corrupt %eip when returning from a signal handler
  xen: arm: make p2m operations NOPs
  xen: balloon: don't include e820.h
  xen: grant: use xen_pfn_t type for frame_list.
  xen: events: pirq_check_eoi_map is X86 specific
  xen: XENMEM_translate_gpfn_list was remove ages ago and is unused.
  xen: sysfs: fix build warning.
  xen: sysfs: include err.h for PTR_ERR etc
  xen: xenbus: quirk uses x86 specific cpuid
  xen PV passthru: assign SR-IOV virtual functions to separate virtual slots
  xen/xenbus: Fix compile warning.
  xen/x86: remove duplicated include from enlighten.c
2012-10-24 05:17:27 +03:00
Vaibhav Hiremath 12ac7f9e11 ARM: AM33XX: Fix configuration of dmtimer parent clock by dmtimer driverDate:Wed, 17 Oct 2012 13:55:55 -0500
Add dmtimer clock aliases for AM33XX devices so that the parent clock for
the dmtimer can be set correctly by the dmtimer driver. Without these clock
aliases the dmtimer driver will fail to find the parent clocks for the dmtimer.

Verified that DMTIMERs can be successfully requested on AM335x beagle bone.

Original patch was provided by Vaibhav Hiremath [1]. Changelog and
additional verification performed by Jon Hunter.

[1] http://marc.info/?l=linux-omap&m=134693631608018&w=2

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Tested-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-23 18:58:21 -07:00
Tony Lindgren 126c414a22 Misc. OMAP PM-related fixes for v3.7-rc
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Merge tag 'for_3.7-rc3-fixes-pm' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-v3.7-rc2/fixes

Misc. OMAP PM-related fixes for v3.7-rc
2012-10-23 18:31:32 -07:00
Ming Lei 871ae57adc ARM: dma-mapping: support debug_dma_mapping_error
Without the patch, kind of below warning will be dumped if DMA-API
debug is enabled:

[   11.069763] ------------[ cut here ]------------
[   11.074645] WARNING: at lib/dma-debug.c:948 check_unmap+0x770/0x860()
[   11.081420] ehci-omap ehci-omap.0: DMA-API: device driver failed to
check map error[device address=0x0000000
0adb78e80] [size=8 bytes] [mapped as single]
[   11.095611] Modules linked in:

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-10-23 14:05:34 +02:00
Kevin Hilman 65bf7ca000 ARM: OMAP3: Beagle: fix OPP customization and initcall ordering
After commit 24d7b40a60 (ARM: OMAP2+:
PM: MPU DVFS: use generic CPU device for MPU-SS), OPPs are registered
using an existing CPU device, not the omap_device for MPU-SS.

First, fix the board file to use get_cpu_device() as required by the
above commit, otherwise custom OPPs will be added to the wrong device.

Second, the board files OPP init is called from the its init_machine
method, and the generic CPU devices are not yet created when
init_machine is run.  Therefore OPP initialization will fail.  To fix,
use a device_initcall() for the board file's OPP customization, and
make the device_initcall board-specific by using a machine_is check.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-22 16:01:42 -07:00
Russell King b43b1ffa82 Merge tag 'fixes-for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes 2012-10-22 22:56:09 +01:00
Russell King 00b7dede8b ARM: drop experimental status for hotplug and Thumb2
Both these features have been around for a long time now, and haven't
had any recent issues brought up.  So lets drop their experimental
status.

In any case, hotplugis  selected by other non-experimental options
which then cause a Kconfig warning.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-10-22 22:54:30 +01:00
Tony Lindgren 1d8643dd05 ARM: OMAP3: Fix 3430 legacy mux names for ssi1 signals.
On n900 uart1 pins are not not used for uart, instead they are
used to connect to a cell modem over ssi. Looks like we're
currently missing these signal names for 3430 for some reason,
and only have some of them listed for 3630. Obviously the signals
are there for 3430 if n900 is using them and they are documented
in some TRMs.

Note that these will eventually be replaced by device tree
based pinctrl-single.c driver. But for now these are needed
to verify the SSI pins for devices like Nokia N900.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-22 13:37:37 -07:00
Tony Lindgren 24942e8af1 ARM: OMAP2+: Fix location of select PINCTRL
Commit 8f31cefe (ARM: OMAP2+: select PINCTRL in Kconfig)
added select PINCTRL, but accdentally added it to a wrong
location.

We want to select if for ARCH_OMAP2PLUS, not for
ARCH_OMAP2PLUS_TYPICAL.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-22 13:37:34 -07:00
Peter Ujfalusi eef6fcaa42 ARM/dts: omap3: Fix mcbsp2/3 hwmods to be able to probe the drivers for audio
Fixes the following errors:
[    2.318084] omap-mcbsp 49022000.mcbsp: invalid rx DMA channel
[    2.324432] omap-mcbsp 49024000.mcbsp: invalid rx DMA channel

Which is because we failed to link the sidetone hwmod for McBSP2/3. The
missing sidetone hwmod link will prevent omap_device_alloc() to append the
DMA resources since we - accidentally - end up having the same number of
resources provided from DT (IO/IRQ) as we have in hwmod for the McBSP ports
without the ST resources.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-22 13:36:53 -07:00
Kevin Hilman 44b1d42a60 ARM: OMAP2: UART: fix console UART mismatched runtime PM status
The runtime PM framework assumes that the hardware state of devices
when initialized is disabled.  For all omap_devices, we idle/disable
device by default.  However, the console uart uses a "no idle" option
during omap_device init in order to allow earlyprintk usage to work
seamlessly during boot.

Because the hardware is left partially enabled after init (whatever
the bootloader settings were), the omap_device should later be fully
initialized (including mux) and the runtime PM framework should be
told that the device is active, and not disabled so that the hardware
state is in sync with runtime PM state.

To fix, after the device has been created/registered, call
omap_device_enable() to finialize init and use pm_runtime_set_active()
to tell the runtime PM core the device is enabled.

Tested on 2420/n810, 3530/Overo, 3530/Beagle, 3730/OveroSTORM,
3730/Beagle-xM, 4460/PandaES.

Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-22 13:35:17 -07:00
Paul Walmsley 856c3c5b28 ARM: OMAP3: PM: apply part of the erratum i582 workaround
On OMAP34xx/35xx, and OMAP36xx chips with ES < 1.2, if the PER
powerdomain goes to OSWR or OFF while CORE stays at CSWR or ON, or if,
upon chip wakeup from OSWR or OFF, the CORE powerdomain goes ON before
PER, the UART3/4 FIFOs and McBSP2/3 SIDETONE memories will be
unusable.  This is erratum i582 in the OMAP36xx Silicon Errata
document.

This patch implements one of several parts of the workaround: the
addition of the wakeup dependency between the PER and WKUP
clockdomains, such that PER will wake up at the same time CORE_L3
does.

This is not a complete workaround.  For it to be complete:

1. the PER powerdomain's next power state must not be set to OSWR or
   OFF if the CORE powerdomain's next power state is set to CSWR or
   ON;

2. the UART3/4 FIFO and McBSP2/3 SIDETONE loopback tests should be run
   if the LASTPOWERSTATEENTERED bits for PER and CORE indicate that
   PER went OFF while CORE stayed on.  If loopback tests fail, then
   those devices will be unusable until PER and CORE can undergo a
   transition from ON to OSWR/OFF and back ON.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
2012-10-22 13:35:17 -07:00
Linus Walleij ad17a26e22 ARM: 7560/1: SMP_TWD: use DIV_ROUND_CLOSEST() for periodic mode
The periodic mode is currently calculated by a simple division
but we should pay more attention to our integer arithmetics.
Also delete a comment that does not make any sense.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-10-22 15:34:40 +01:00
Will Deacon 5f40b90972 ARM: 7559/1: smp: switch away from the idmap before updating init_mm.mm_count
When booting a secondary CPU, the primary CPU hands two sets of page
tables via the secondary_data struct:

	(1) swapper_pg_dir: a normal, cacheable, shared (if SMP) mapping
	    of the kernel image (i.e. the tables used by init_mm).

	(2) idmap_pgd: an uncached mapping of the .idmap.text ELF
	    section.

The idmap is generally used when enabling and disabling the MMU, which
includes early CPU boot. In this case, the secondary CPU switches to
swapper as soon as it enters C code:

	struct mm_struct *mm = &init_mm;
	unsigned int cpu = smp_processor_id();

	/*
	 * All kernel threads share the same mm context; grab a
	 * reference and switch to it.
	 */
	atomic_inc(&mm->mm_count);
	current->active_mm = mm;
	cpumask_set_cpu(cpu, mm_cpumask(mm));
	cpu_switch_mm(mm->pgd, mm);

This causes a problem on ARMv7, where the identity mapping is treated as
strongly-ordered leading to architecturally UNPREDICTABLE behaviour of
exclusive accesses, such as those used by atomic_inc.

This patch re-orders the secondary_start_kernel function so that we
switch to swapper before performing any exclusive accesses.

Cc: <stable@vger.kernel.org>
Cc: David McKay <david.mckay@st.com>
Reported-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-10-22 15:33:51 +01:00
Tomasz Figa 61ef3c0bd3 ARM: EXYNOS: Set .smp field of machine descriptor for exynos4-dt
This patch adds missing initializer of .smp field of machine descriptor
of EXYNOS 4 DT machine.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-10-22 08:16:44 +09:00
Linus Torvalds 37820108f3 ARM: soc: Fixes for 3.7-rc2
A set of fixes and some minor cleanups for -rc2:
 
 - A series from Arnd that fixes warnings in drivers and other code
   included by ARM defconfigs. Most have been acked by corresponding
   maintainers (and seem quite hard to argue not picking up anyway in the
   few exception cases).
 - A few misc patches from the list for integrator/vt8500/i.MX
 - A batch of fixes to OMAP platforms, fixing:
   - boot problems on beaglebone,
   - regression fixes for local timers
   - clockdomain locking fixes
   - a few boot/sparse warnings
 - For Tegra:
   - Clock rate calculation overflow fix
   - Revert a change that removed timer clocks and a fix for symbol name clashes
 - For Renesas:
   - IO accessor / annotation cleanups to remove warnings
 - For Kirkwood/Dove/mvebu:
   - Fixes for device trees for Dove (some minor cleanups, some fixes)
   - Fixes for the mvebu gpio driver
   - Fix build problem for Feroceon due to missing ifdefs
   - Fix lsxl DTS files
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc fixes from Olof Johansson:
 "A set of fixes and some minor cleanups for -rc2:

   - A series from Arnd that fixes warnings in drivers and other code
     included by ARM defconfigs.  Most have been acked by corresponding
     maintainers (and seem quite hard to argue not picking up anyway in
     the few exception cases).
   - A few misc patches from the list for integrator/vt8500/i.MX
   - A batch of fixes to OMAP platforms, fixing:
     - boot problems on beaglebone,
     - regression fixes for local timers
     - clockdomain locking fixes
     - a few boot/sparse warnings
   - For Tegra:
     - Clock rate calculation overflow fix
     - Revert a change that removed timer clocks and a fix for symbol
       name clashes
   - For Renesas:
     - IO accessor / annotation cleanups to remove warnings
   - For Kirkwood/Dove/mvebu:
     - Fixes for device trees for Dove (some minor cleanups, some fixes)
     - Fixes for the mvebu gpio driver
     - Fix build problem for Feroceon due to missing ifdefs
     - Fix lsxl DTS files"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
  ARM: kirkwood: fix buttons on lsxl boards
  ARM: kirkwood: fix LEDs names for lsxl boards
  ARM: Kirkwood: fix disabling CACHE_FEROCEON_L2
  gpio: mvebu: Add missing breaks in mvebu_gpio_irq_set_type
  ARM: dove: Add crypto engine to DT
  ARM: dove: Remove watchdog from DT
  ARM: dove: Restructure SoC device tree descriptor
  ARM: dove: Fix clock names of sata and gbe
  ARM: dove: Fix tauros2 device tree init
  ARM: dove: Add pcie clock support
  ARM: OMAP2+: Allow kernel to boot even if GPMC fails to reserve memory
  ARM: OMAP: clockdomain: Fix locking on _clkdm_clk_hwmod_enable / disable
  ARM: s3c: mark s3c2440_clk_add as __init_refok
  spi/s3c64xx: use correct dma_transfer_direction type
  ARM: OMAP4: devices: fixup OMAP4 DMIC platform device error message
  ARM: OMAP2+: clock data: Add dev-id for the omap-gpmc dummy fck
  ARM: OMAP: resolve sparse warning concerning debug_card_init()
  ARM: OMAP4: Fix twd_local_timer_register regression
  ARM: tegra: add tegra_timer clock
  ARM: tegra: rename tegra system timer
  ...
2012-10-19 17:32:37 -07:00
Olof Johansson 70f3900ee5 - improve #ifdef logic to prevent linker errors with CACHE_FEROCEON_L2
- lsxl board dts fixes
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Merge tag 'kirkwood_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper:
 - improve #ifdef logic to prevent linker errors with CACHE_FEROCEON_L2
 - lsxl board dts fixes

* tag 'kirkwood_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux:
  ARM: kirkwood: fix buttons on lsxl boards
  ARM: kirkwood: fix LEDs names for lsxl boards
  ARM: Kirkwood: fix disabling CACHE_FEROCEON_L2
2012-10-19 16:17:51 -07:00
Olof Johansson 068a565afa Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes
A collection of warning fixes on non-ARM code from Arnd Bergmann:

* 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: s3c: mark s3c2440_clk_add as __init_refok
  spi/s3c64xx: use correct dma_transfer_direction type
  pcmcia: sharpsl: don't discard sharpsl_pcmcia_ops
  USB: EHCI: mark ehci_orion_conf_mbus_windows __devinit
  mm/slob: use min_t() to compare ARCH_SLAB_MINALIGN
  SCSI: ARM: make fas216_dumpinfo function conditional
  SCSI: ARM: ncr5380/oak uses no interrupts
2012-10-19 15:40:18 -07:00
Konrad Rzeszutek Wilk e05dacd71d Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...
2012-10-19 15:19:19 -04:00