Commit Graph

4538 Commits

Author SHA1 Message Date
Phil Carmody e942cc06e2 ARM: OMAP2+: mux: fix trivial typo in name
Fix trivial typo in name.

Signed-off-by: Phil Carmody <phil.carmody@partner.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:01 -07:00
Anoop Thomas Mathew b6b2485214 ARM: OMAP4 SMP: Corrected a typo fucntions to functions
Corrected the functions spelling mistake in the OMAP4 SMP source file.

Signed-off-by: Anoop Thomas Mathew <atm@profoundis.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:00 -07:00
Vladimir Murzin 783502719c ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
We call cpu_cluster_pm_enter for dev->cpu == 0 only, but
cpu_cluster_pm_exit called without that check.

Because of that unhandled page fault may happen:

[    3.803405] Unable to handle kernel paging request at virtual address 00002500
[    3.810974] pgd = c0004000
[    3.813812] [00002500] *pgd=00000000
[    3.817596] Internal error: Oops: 5 [#1] SMP ARM
[    3.822418] Modules linked in:
[    3.825653] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.11.0-rc6+ #21
[    3.832397] task: ed86ef40 ti: ed896000 task.ti: ed896000
[    3.838073] PC is at irq_notifier+0x234/0x25c
[    3.842651] LR is at irq_notifier+0x218/0x25c
[    3.847229] pc : [<c0029ed8>]    lr : [<c0029ebc>]    psr: 80000193
[    3.847229] sp : ed897ee8  ip : 00000005  fp : 00000001
[    3.859283] r10: c0b395f0  r9 : c0b30594  r8 : c0b8c2ac
[    3.864776] r7 : ffffffff  r6 : 00000000  r5 : 00000005  r4 : 00000000
[    3.871643] r3 : 00002500  r2 : 00000000  r1 : 00000005  r0 : 44302244
[    3.878479] Flags: Nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[    3.886260] Control: 10c5387d  Table: 8000404a  DAC: 00000015
[    3.892272] Process swapper/1 (pid: 0, stack limit = 0xed896240)
[    3.898590] Stack: (0xed897ee8 to 0xed898000)
[    3.903167] 7ee0:                   c0979c3a 00000001 ed897ef8 ed896000 c0014f7c 00000000
[    3.911743] 7f00: 00000005 00000000 ffffffff c0b8c2ac c0b395f0 c077c04c c0c94b48 c0b3953c
[    3.920318] 7f20: c0bcd928 00000002 c0b39524 c00cfad8 00000000 ffffffff 00000000 c00cfb10
[    3.928924] 7f40: c14e62c0 c002c1c8 c002c0ac c14e62c0 00000002 e251c37d 00000000 c0b39548
[    3.937499] 7f60: c0b395f0 c05a1bc4 e251c37d 00000000 00000005 c05a3870 edc90380 edc90380
[    3.946105] 7f80: edc90394 c14e62c0 c0b39548 00000002 c0784064 c05a3c78 c0b395e0 c14e62c0
[    3.954681] 7fa0: 00000002 c0b39548 c0bc9db8 00000000 00000001 c05a1dc0 ed896000 00000015
[    3.963287] 7fc0: c0bc9db8 ed896000 8000406a c0b30594 c0784064 c000e504 00000746 c007a528
[    3.971862] 7fe0: 00000001 0000001d 600001d3 c0bcc004 00000000 800086c4 ee0aa6a7 d2aabaa9
[    3.980499] [<c0029ed8>] (irq_notifier+0x234/0x25c) from [<c077c04c>] (notifier_call_chain+0x38/0x68)
[    3.990173] [<c077c04c>] (notifier_call_chain+0x38/0x68) from [<c00cfad8>] (cpu_pm_notify+0x20/0x38)
[    3.999786] [<c00cfad8>] (cpu_pm_notify+0x20/0x38) from [<c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50)
[    4.009399] [<c00cfb10>] (cpu_cluster_pm_exit+0x20/0x50) from [<c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c)
[    4.020111] [<c002c1c8>] (omap_enter_idle_coupled+0x11c/0x14c) from [<c05a1bc4>] (cpuidle_enter_state+0x40/0xec)
[    4.030822] [<c05a1bc4>] (cpuidle_enter_state+0x40/0xec) from [<c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240)
[    4.041870] [<c05a3c78>] (cpuidle_enter_state_coupled+0x1f4/0x240) from [<c05a1dc0>] (cpuidle_idle_call+0x150/0x228)
[    4.052947] [<c05a1dc0>] (cpuidle_idle_call+0x150/0x228) from [<c000e504>] (arch_cpu_idle+0x8/0x38)
[    4.062499] [<c000e504>] (arch_cpu_idle+0x8/0x38) from [<c007a528>] (cpu_startup_entry+0x178/0x1e4)
[    4.071990] [<c007a528>] (cpu_startup_entry+0x178/0x1e4) from [<800086c4>] (0x800086c4)
[    4.080383] Code: e5922288 03a03b0a 13a03c25 e0823003 (e5932000)
[    4.086791] ---[ end trace d83954a84a6fa69e ]---

It is supposed that sar_base is initialized in irq_save_context, which
is called on CPU_CLUSTER_PM_ENTER notification. If this notification
has been missed and CPU_CLUSTER_PM_EXIT is received sar_base is NULL.

Fix it by calling CPU_CLUSTER_PM_{ENTER,EXIT} under the same condition.

Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:02:00 -07:00
Fabio Estevam f70bf2a3fd ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
When CONFIG_ARM_LPAE=y the following build warning is generated:

arch/arm/mach-omap2/gpmc.c:1495:4: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]

According to Documentation/printk-formats.txt '%pa' can be used to properly
print 'resource_size_t'.

Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:59 -07:00
Wei Yongjun 4cf9cf8967 ARM: OMAP: fix return value check in omap_device_build_from_dt()
In case of error, the function omap_device_alloc() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:58 -07:00
Tony Lindgren 2cfeed3142 ARM: OMAP4: Fix clock_get error for GPMC during boot
Looks like we still have the legacy clock alias name for
omap4 GPMC (General Purpose Memory Controller), so let's
fix it for the device tree naming. There's no need to keep
the legacy naming as omap4 is DT only nowadays.

Without this fix we get the following error while booting:

[    0.440399] omap-gpmc 50000000.gpmc: error: clk_get

Reported-by: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org # v3.11
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-09-18 12:01:58 -07:00
Linus Torvalds 6404141718 ARM: SoC late changes for v3.12
These are changes that arrived a little late before the merge window,
 or had dependencies on previous branches.
 
 Highlights:
 - ux500: misc. cleanup, fixup I2C devices
 - exynos: DT updates for RTC; PM updates
 - at91: DT updates for NAND; new platforms added to generic defconfig
 - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks
 - highbank: LPAE fixes, select necessary ARM errata
 - omap: PM fixes and improvements; OMAP5 mailbox support
 - omap: basic support for new DRA7xx SoCs
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Merge tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Kevin Hilman:
 "These are changes that arrived a little late before the merge window,
  or had dependencies on previous branches.

  Highlights:
   - ux500: misc.  cleanup, fixup I2C devices
   - exynos: DT updates for RTC; PM updates
   - at91: DT updates for NAND; new platforms added to generic defconfig
   - sunxi: DT updates: cubieboard2, pinctrl driver, gated clocks
   - highbank: LPAE fixes, select necessary ARM errata
   - omap: PM fixes and improvements; OMAP5 mailbox support
   - omap: basic support for new DRA7xx SoCs"

* tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  ARM: dts: vexpress: Add CCI node to TC2 device-tree
  ARM: EXYNOS: Skip C1 cpuidle state for exynos5440
  ARM: EXYNOS: always enable PM domains support for EXYNOS4X12
  ARM: highbank: clean-up some unused includes
  ARM: sun7i: Enable the A20 clocks in the DTSI
  ARM: sun6i: Enable clock support in the DTSI
  ARM: sun5i: dt: Use the A10s gates in the DTSI
  ARM: at91: at91_dt_defconfig: enable rm9200 support
  ARM: dts: add ADC device tree node for exynos5420/5250
  ARM: dts: Add RTC DT node to Exynos5420 SoC
  ARM: dts: Update the "status" property of RTC DT node for Exynos5250 SoC
  ARM: dts: Fix the RTC DT node name for Exynos5250
  irqchip: mmp: avoid to include irqs head file
  ARM: mmp: avoid to include head file in mach-mmp
  irqchip: mmp: support irqchip
  irqchip: move mmp irq driver
  ARM: OMAP: AM33xx: clock: Add RNG clock data
  ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
  ARM: OMAP4: clock: Lock PLLs in the right sequence
  ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
  ...
2013-09-09 16:35:29 -07:00
Linus Torvalds 6be48f2940 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
 "Here is the crypto update for 3.12:

   - Added MODULE_SOFTDEP to allow pre-loading of modules.
   - Reinstated crct10dif driver using the module softdep feature.
   - Allow via rng driver to be auto-loaded.

   - Split large input data when necessary in nx.
   - Handle zero length messages correctly for GCM/XCBC in nx.
   - Handle SHA-2 chunks bigger than block size properly in nx.

   - Handle unaligned lengths in omap-aes.
   - Added SHA384/SHA512 to omap-sham.
   - Added OMAP5/AM43XX SHAM support.
   - Added OMAP4 TRNG support.

   - Misc fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (66 commits)
  Reinstate "crypto: crct10dif - Wrap crc_t10dif function all to use crypto transform framework"
  hwrng: via - Add MODULE_DEVICE_TABLE
  crypto: fcrypt - Fix bitoperation for compilation with clang
  crypto: nx - fix SHA-2 for chunks bigger than block size
  crypto: nx - fix GCM for zero length messages
  crypto: nx - fix XCBC for zero length messages
  crypto: nx - fix limits to sg lists for AES-CCM
  crypto: nx - fix limits to sg lists for AES-XCBC
  crypto: nx - fix limits to sg lists for AES-GCM
  crypto: nx - fix limits to sg lists for AES-CTR
  crypto: nx - fix limits to sg lists for AES-CBC
  crypto: nx - fix limits to sg lists for AES-ECB
  crypto: nx - add offset to nx_build_sg_lists()
  padata - Register hotcpu notifier after initialization
  padata - share code between CPU_ONLINE and CPU_DOWN_FAILED, same to CPU_DOWN_PREPARE and CPU_UP_CANCELED
  hwrng: omap - reorder OMAP TRNG driver code
  crypto: omap-sham - correct dma burst size
  crypto: omap-sham - Enable Polling mode if DMA fails
  crypto: tegra-aes - bitwise vs logical and
  crypto: sahara - checking the wrong variable
  ...
2013-09-07 14:31:18 -07:00
Herbert Xu eeca9fad52 Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge upstream tree in order to reinstate crct10dif.
2013-09-07 12:53:35 +10:00
Linus Torvalds b4b50fd78b ARM: SoC platform changes for 3.12
This branch contains mostly additions and changes to platform enablement
 and SoC-level drivers. Since there's sometimes a dependency on device-tree
 changes, there's also a fair amount of those in this branch.
 
 Pieces worth mentioning are:
 
 - Mbus driver for Marvell platforms, allowing kernel configuration
   and resource allocation of on-chip peripherals.
 - Enablement of the mbus infrastructure from Marvell PCI-e drivers.
 - Preparation of MSI support for Marvell platforms.
 - Addition of new PCI-e host controller driver for Tegra platforms
 - Some churn caused by sharing of macro names between i.MX 6Q and 6DL
   platforms in the device tree sources and header files.
 - Various suspend/PM updates for Tegra, including LP1 support.
 - Versatile Express support for MCPM, part of big little support.
 - Allwinner platform support for A20 and A31 SoCs (dual and quad Cortex-A7)
 - OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
 
 The code that touches other architectures are patches moving
 MSI arch-specific functions over to weak symbols and removal of
 ARCH_SUPPORTS_MSI, acked by PCI maintainers.
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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 changes from Olof Johansson:
 "This branch contains mostly additions and changes to platform
  enablement and SoC-level drivers.  Since there's sometimes a
  dependency on device-tree changes, there's also a fair amount of
  those in this branch.

  Pieces worth mentioning are:

   - Mbus driver for Marvell platforms, allowing kernel configuration
     and resource allocation of on-chip peripherals.
   - Enablement of the mbus infrastructure from Marvell PCI-e drivers.
   - Preparation of MSI support for Marvell platforms.
   - Addition of new PCI-e host controller driver for Tegra platforms
   - Some churn caused by sharing of macro names between i.MX 6Q and 6DL
     platforms in the device tree sources and header files.
   - Various suspend/PM updates for Tegra, including LP1 support.
   - Versatile Express support for MCPM, part of big little support.
   - Allwinner platform support for A20 and A31 SoCs (dual and quad
     Cortex-A7)
   - OMAP2+ support for DRA7, a new Cortex-A15-based SoC.

  The code that touches other architectures are patches moving MSI
  arch-specific functions over to weak symbols and removal of
  ARCH_SUPPORTS_MSI, acked by PCI maintainers"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (266 commits)
  tegra-cpuidle: provide stub when !CONFIG_CPU_IDLE
  PCI: tegra: replace devm_request_and_ioremap by devm_ioremap_resource
  ARM: tegra: Drop ARCH_SUPPORTS_MSI and sort list
  ARM: dts: vf610-twr: enable i2c0 device
  ARM: dts: i.MX51: Add one more I2C2 pinmux entry
  ARM: dts: i.MX51: Move pins configuration under "iomuxc" label
  ARM: dtsi: imx6qdl-sabresd: Add USB OTG vbus pin to pinctrl_hog
  ARM: dtsi: imx6qdl-sabresd: Add USB host 1 VBUS regulator
  ARM: dts: imx27-phytec-phycore-som: Enable AUDMUX
  ARM: dts: i.MX27: Disable AUDMUX in the template
  ARM: dts: wandboard: Add support for SDIO bcm4329
  ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template
  ARM: dts: imx53-qsb: Make USBH1 functional
  ARM i.MX6Q: dts: Enable I2C1 with EEPROM and PMIC on Phytec phyFLEX-i.MX6 Ouad module
  ARM i.MX6Q: dts: Enable SPI NOR flash on Phytec phyFLEX-i.MX6 Ouad module
  ARM: dts: imx6qdl-sabresd: Add touchscreen support
  ARM: imx: add ocram clock for imx53
  ARM: dts: imx: ocram size is different between imx6q and imx6dl
  ARM: dts: imx27-phytec-phycore-som: Fix regulator settings
  ARM: dts: i.MX27: Remove clock name from CPU node
  ...
2013-09-06 13:30:06 -07:00
Linus Torvalds 8e73e367f7 ARM: SoC cleanups for 3.12
This branch contains code cleanups, moves and removals for 3.12.
 
 There's a large number of various cleanups, and a nice net removal of
 13500 lines of code.
 
 Highlights worth mentioning are:
 
 - A series of patches from Stephen Boyd removing the ARM local timer API.
 - Move of Qualcomm MSM IOMMU code to drivers/iommu.
 - Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM driver
   and switching over to the drivers/pwm one.
 - Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
 
 There's also a move of a header file out of include/linux/i2c/ to
 platform_data, where it really belongs. It touches mostly ARM platform
 code for include changes so we took it through our tree.
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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 cleanups from Olof Johansson:
 "This branch contains code cleanups, moves and removals for 3.12.

  There's a large number of various cleanups, and a nice net removal of
  13500 lines of code.

  Highlights worth mentioning are:

   - A series of patches from Stephen Boyd removing the ARM local timer
     API.
   - Move of Qualcomm MSM IOMMU code to drivers/iommu.
   - Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM
     driver and switching over to the drivers/pwm one.
   - Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).

  There's also a move of a header file out of include/linux/i2c/ to
  platform_data, where it really belongs.  It touches mostly ARM
  platform code for include changes so we took it through our tree"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
  gpio: (gpio-pca953x) move header to linux/platform_data/
  arm: zynq: hotplug: Remove unreachable code
  ARM: SAMSUNG: Remove unnecessary exynos4_default_sdhci*()
  tegra: simplify use of devm_ioremap_resource
  ARM: SAMSUNG: Remove plat/regs-timer.h header
  ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header
  ARM: SAMSUNG: Remove pwm-clock infrastructure
  ARM: SAMSUNG: Remove old PWM timer platform devices
  pwm: Remove superseded pwm-samsung-legacy driver
  ARM: SAMSUNG: Modify board files to use new PWM platform device
  ARM: SAMSUNG: Rework private data handling in dev-backlight
  pwm: Add new pwm-samsung driver
  ARM: mach-mvebu: remove redundant DT parsing and validation
  ARM: msm: Only compile io.c on platforms that use it
  iommu/msm: Move mach includes to iommu directory
  ARM: msm: Remove devices-iommu.c
  ARM: msm: Move mach/board.h contents to common.h
  ARM: msm: Migrate msm_timer to CLOCKSOURCE_OF_DECLARE
  ARM: msm: Remove TMR and TMR0 static mappings
  ...
2013-09-06 13:21:16 -07:00
Linus Torvalds d2f3e9eb7c ARM: SoC low-priority fixes for 3.12
This branch contains a handful of fixes for various platforms that
 weren't serious enough to be included in late 3.11-rc releases. Most of
 them are for minor cleanups and cosmetic fixes.
 
 There's also a bit of code removal here, one board file removal for
 clps711x, and removal of some legacy device creation on OMAP2+.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC low-priority fixes from Olof Johansson:
 "This branch contains a handful of fixes for various platforms that
  weren't serious enough to be included in late 3.11-rc releases.  Most
  of them are for minor cleanups and cosmetic fixes.

  There's also a bit of code removal here, one board file removal for
  clps711x, and removal of some legacy device creation on OMAP2+"

* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
  ARM: OMAP2: remove useless variable 'ret'
  ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
  ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
  ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
  ARM: OMAP2: Use a consistent AM33XX SoC option description
  ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
  ARM: clps711x: edb7211: Remove extra iotable_init() call
  ARM: clps711x: autcpu12: Remove incorrect config checking
  ARM: clps711x: Drop fortunet board support
  ARM: clps711x: Remove the special name for the syscon driver
  ARM: dts: Fix memory node in skeleton64.dtsi
  ARM: Keystone: Convert device tree file to use IRQ defines
  ARM: keystone: use #include to include skeleton.dtsi
  ARM: keystone: Drop the un-necessary dsb from keystone_cpu_smc()
  ARM: Keystone: No need to preserve r12 across smc call
  ARM: keystone: remove redundant smp_init_cpus definition
  ARM: keystone: drop useless HAVE_SCHED_CLOCK
  ARM: dove: fix missing __init section of dove_mpp_gpio_mode
  ARM: shmobile: armadillo800eva-reference: fix compiler warning
  ...
2013-09-06 13:17:02 -07:00
Linus Torvalds eced5a0a5a OMAP specific fbdev changes for 3.12:
* Change the OMAP board files to use the new OMAP display drivers
 * Remove all the old drivers, and the related auxiliary code.
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Merge tag 'fbdev-3.12-omap-legacy-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull OMAP specific fbdev changes from Tomi Valkeinen:
 "I've got this pull request separate from the main fbdev pull request,
  as this contains a bunch of OMAP board file changes and thus could
  possibly be rejected in case of bad conflicts.

  The removal of the old display drivers depend on the board file
  changes, so Tony Lindgren suggested taking them together via fbdev
  tree.  These are in linux-next, and also Tony didn't see any conflicts
  with any of the branches he had, so they should go in clean.

   - Change the OMAP board files to use the new OMAP display drivers

   - Remove all the old drivers, and the related auxiliary code"

* tag 'fbdev-3.12-omap-legacy-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (35 commits)
  OMAPDSS: rename omap_dss_device's 'device' field to 'dst'
  OMAPDSS: rename omap_dss_device's 'output' to 'src'
  OMAPDSS: DSS: remove legacy dss bus support
  OMAPDSS: RFBI: remove code related to old panel model
  OMAPDSS: VENC: remove code related to old panel model
  OMAPDSS: SDI: remove code related to old panel model
  OMAPDSS: DSI: remove code related to old panel model
  OMAPDSS: HDMI: remove code related to old panel model
  OMAPDSS: DPI: remove code related to old panel model
  OMAPDSS: remove all old panel drivers
  OMAPDSS: DPI: change regulator handling
  OMAPDSS: SDI: change regulator handling
  OMAPDSS: fix DPI and SDI device ids
  OMAPDSS: remove omap_dss_device->channel field
  OMAPDSS: RFBI: Mark RFBI as broken
  ARM: OMAP2+: Remove old display drivers from omap2plus_defconfig
  ARM: OMAP: AM3517EVM: use new display drivers
  ARM: OMAP: Zoom: use new display drivers
  ARM: OMAP: Pandora: use new display drivers
  ARM: OMAP: OMAP3EVM: use new display drivers
  ...
2013-09-05 09:44:03 -07:00
Linus Torvalds 27703bb4a6 PTR_RET() is a weird name, and led to some confusing usage. We ended
up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.
 
 This has been sitting in linux-next for a whole cycle.
 
 Thanks,
 Rusty.
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Merge tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull PTR_RET() removal patches from Rusty Russell:
 "PTR_RET() is a weird name, and led to some confusing usage.  We ended
  up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.

  This has been sitting in linux-next for a whole cycle"

[ There are still some PTR_RET users scattered about, with some of them
  possibly being new, but most of them existing in Rusty's tree too.  We
  have that

      #define PTR_RET(p) PTR_ERR_OR_ZERO(p)

  thing in <linux/err.h>, so they continue to work for now  - Linus ]

* tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  GFS2: Replace PTR_RET with PTR_ERR_OR_ZERO
  Btrfs: volume: Replace PTR_RET with PTR_ERR_OR_ZERO
  drm/cma: Replace PTR_RET with PTR_ERR_OR_ZERO
  sh_veu: Replace PTR_RET with PTR_ERR_OR_ZERO
  dma-buf: Replace PTR_RET with PTR_ERR_OR_ZERO
  drivers/rtc: Replace PTR_RET with PTR_ERR_OR_ZERO
  mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
  staging/zcache: don't use PTR_RET().
  remoteproc: don't use PTR_RET().
  pinctrl: don't use PTR_RET().
  acpi: Replace weird use of PTR_RET.
  s390: Replace weird use of PTR_RET.
  PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
  PTR_RET is now PTR_ERR_OR_ZERO
2013-09-04 17:31:11 -07:00
Linus Torvalds b3b49114c8 USB patches for 3.12-rc1
Here's the big USB driver pull request for 3.12-rc1
 
 Lots of USB driver fixes and updates.  Nothing major, just the normal
 xhci, gadget, and other driver changes.  Full details in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big USB driver pull request for 3.12-rc1

  Lots of USB driver fixes and updates.  Nothing major, just the normal
  xhci, gadget, and other driver changes.  Full details in the shortlog"

* tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (352 commits)
  usbcore: fix incorrect type in assignment in descriptors_changed()
  usbcore: compare and release one bos descriptor in usb_reset_and_verify_device()
  ehci: remove debugging statement with ehci statistics in ehci_stop()
  ehci: remove duplicate debug_async_open() prototype in ehci-dbg.c
  ehci: enable debugging code when CONFIG_DYNAMIC_DEBUG is set
  ehci: remove ehci_vdbg() verbose debugging statements
  Documentation sysfs-bus-usb: Document which files are used by libusb
  Documentation sysfs-bus-usb: Document the speed file used by libusb
  Documentation sysfs-bus-usb: Move files with known users to stable
  USB: fix build error when CONFIG_PM_SLEEP isn't enabled
  usb: r8a66597-hcd: use platform_{get,set}_drvdata()
  usb: phy-tegra-usb: use platform_{get,set}_drvdata()
  usb: acm gadget: Null termintate strings table
  dma: cppi41: off by one in desc_to_chan()
  xhci: Fix warning introduced by disabling runtime PM.
  dev-core: fix build break when DEBUG is enabled
  USB: OHCI: Allow runtime PM without system sleep
  usb: ohci-at91: remove unnecessary dev_set_drvdata()
  usb: renesas_usbhs: use platform_{get,set}_drvdata()
  usb: fotg210-udc: use platform_{get,set}_drvdata()
  ...
2013-09-03 11:35:32 -07:00
Tony Lindgren 7323f21953 ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
This is needed to prevent a build error with a patch queued for fixes
"ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards".

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 19:10:59 -07:00
Olof Johansson d296ebe0e6 Add basic support for devices on dra7xx by adding the PRCM and hwmod
parts the same way as for other omaps. This is still needed in
 addition to device tree support for things like power management.
 
 Via Paul Walmsley <paul@pwsan.com>:
 
 This series adds basic TI DRA7xx PRCM and hwmod support.
 
 Basic test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/dra7xx_prcm_devel_v3.12/20130823050445/
 
 Note that DRA7xx could not be tested locally, since I don't have a board.
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Merge tag 'omap-for-v3.12/dra7xx-prcm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/all

From Tony Lindgren:
Add basic support for devices on dra7xx by adding the PRCM and hwmod
parts the same way as for other omaps. This is still needed in
addition to device tree support for things like power management.

Via Paul Walmsley <paul@pwsan.com>:

This series adds basic TI DRA7xx PRCM and hwmod support.

Basic test logs are available here:

http://www.pwsan.com/omap/testlogs/dra7xx_prcm_devel_v3.12/20130823050445/

Note that DRA7xx could not be tested locally, since I don't have a board.

* tag 'omap-for-v3.12/dra7xx-prcm' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: DRA7: Enable PM framework initializations
  ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data
  ARM: OMAP: DRA7: Reuse the omap44xx_restart and fix the device instance
  ARM: OMAP: DRA7: powerdomain: Handle missing vc/vp
  ARM: OMAP: DRA7: powerdomain: Add DRA7XX data and update header
  ARM: OMAP: DRA7: clockdomain: Add DRA7XX data and update header
  ARM: OMAP: DRA7: PRCM: Add DRA7XX local MPU PRCM regsiters
  ARM: OMAP: DRA7: CM: Add minimal regbit shifts
  ARM: OMAP: DRA7: CM: Add DRA7XX register defines
  ARM: OMAP: DRA7: PRM: Add DRA7XX register definitions
  ARM: DRA7: Add the build support in omap2plus
  ARM: DRA7: hwmod: Reuse the soc_ops used for OMAP4/5
  ARM: DRA7: id: Add cpu detection support for DRA7xx based SoCs'
  ARM: DRA7: Kconfig: Make ARCH_NR_GPIO default to 512
  ARM: DRA7: board-generic: Add basic DT support
  ARM: DRA7: Resue the clocksource, clockevent support
  ARM: DRA7: Reuse io tables and add a new .init_early
  ARM: DRA7: Reuse all of PRCM and MPUSS SMP infra

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 16:46:14 -07:00
Olof Johansson 65cb771fdf OMAP PRCM and hwmod fixes and improvments via Paul Walmsley <paul@pwsan.com>:
Various OMAP PRCM & hwmod fixes and improvements.  Notable changes
 include:
 
 - a fix for OMAP4 PLL locking to avoid a bootloader dependency that
   causes nasty log spew on startup
 
 - AM33xx DEBUGSS support fixes in hwmod data
 
 - OMAP5 mailbox support in hwmod data
 
 Basic test logs are here:
 
 http://www.pwsan.com/omap/testlogs/prcm_a_for_v3.12/20130823125002/
 
 Note that the 3530 failure is due to the mysterious transient serial
 issue affecting 3530 for several releases now, which causes a log
 parsing failure.  PM still seems to work.
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Merge tag 'omap-for-v3.12/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/all

From Tony Lindgren:
OMAP PRCM and hwmod fixes and improvments via Paul Walmsley <paul@pwsan.com>:

Various OMAP PRCM & hwmod fixes and improvements.  Notable changes
include:

- a fix for OMAP4 PLL locking to avoid a bootloader dependency that
  causes nasty log spew on startup

- AM33xx DEBUGSS support fixes in hwmod data

- OMAP5 mailbox support in hwmod data

Basic test logs are here:

http://www.pwsan.com/omap/testlogs/prcm_a_for_v3.12/20130823125002/

Note that the 3530 failure is due to the mysterious transient serial
issue affecting 3530 for several releases now, which causes a log
parsing failure.  PM still seems to work.

* tag 'omap-for-v3.12/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: AM33xx: clock: Add RNG clock data
  ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
  ARM: OMAP4: clock: Lock PLLs in the right sequence
  ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
  ARM: OMAP2+: Only write the sysconfig on idle when necessary
  ARM: OMAP5: hwmod data: Add mailbox data

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 16:38:28 -07:00
Vivien Didelot 5877457a96 gpio: (gpio-pca953x) move header to linux/platform_data/
This patch moves the pca953x.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 12:33:52 -07:00
Tomi Valkeinen 35f5df6fd8 OMAPDSS: fix DPI and SDI device ids
The DPI and SDI platform devices are currently created with the ID of
-1. The ID doesn't currently affect anything.

However, we have added regulator supply entries for "omapdss_dpi.0" and
"omapdss_sdi.0" to the board files, although these supply entries are
not yet used. As the ID used for the devices is -1, these regulator
supply entries will not work.

To fix the issue, assign ID of 0 to the devices. In the future there may
be more than one DPI or SDI output, so it makes sense to have a proper
ID for them.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
2013-08-29 16:21:51 +03:00
Tomi Valkeinen 9dab02d9c6 ARM: OMAP: AM3517EVM: use new display drivers
Use new display drivers for AM3517EVM board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Note: the management of LCD GPIOs is unclear. They were originally muxed
as inputs, and LCD_PANEL_PWR was labelled as "dvi enable".

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:22 +03:00
Tomi Valkeinen d901ffa6a7 ARM: OMAP: Zoom: use new display drivers
Use new display drivers for Zoom board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:22 +03:00
Tomi Valkeinen 9f2906b790 ARM: OMAP: Pandora: use new display drivers
Use new display drivers for OMAP3 Pandora board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen eb11d29e97 ARM: OMAP: OMAP3EVM: use new display drivers
Use new display drivers for OMAP3EVM board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen 7a2950ccd6 ARM: OMAP: 3430SDP: use new display drivers
Use new display drivers for 3430SDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen 6970c01e46 ARM: OMAP: H4: use new display drivers
Use new display drivers for H4 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen fe0cf7d9f8 ARM: OMAP: cm-t35: use new display drivers
Use new display drivers for cm-t35 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen 5508642379 ARM: OMAP: igep0020: use new display drivers
Use new display drivers for igep0020 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:21 +03:00
Tomi Valkeinen 07eb40bdac ARM: OMAP: omap3stalker: use new display drivers
Use new display drivers for OMAP3 Stalker board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen f23248d4b7 ARM: OMAP: LDP: use new display drivers
Use new display drivers for LDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen 09bc6ff2d7 ARM: OMAP: 2430SDP: use new display drivers
Use new display drivers for 2430SDP board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen c78fb21dec ARM: OMAP: devkit8000: use new display drivers
Use new display drivers for devkit8000 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen 5302556cd4 ARM: OMAP: beagle: use new display drivers
Use the new display drivers for Beagleboard.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:20 +03:00
Tomi Valkeinen 2320dc6f9c ARM: OMAP: rx51: use new display drivers
Use the new display drivers for RX51 board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen 45a279c5ae ARM: OMAP: overo: use new display drivers
Use the new display drivers for OMAP3 Overo board.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Note that the LCD add-on boards for lcd43 and lcd35 use the same GPIOs
for the panels. This means that both panel devices cannot be probed at
the same time.

DT will handle this correctly, i.e. the DT data will contain the panel
device only for the add-on board that is attached. However, for the
board file we need a hackish solution: We parse the kernel boot command
line, and see whether lcd43 or lcd35 is set as a default display, and
add the given one. Or, if neither is given, default to lcd43.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen 20d31345bd ARM: OMAP: 4430SDP: remove picodlp device data
4430SDP board has an option for a PicoDLP mini-projector. PicoDLP cannot
be used at the same time as the second LCD, and there are GPIOs that
need to be set/unset when changing the used display.

Managing that kind of board specific setup is not simple without board
file callbacks. As only some 4430SDP boards actually have the PicoDLP
installed, and 4430SDP boards are not that common in the first place,
let's remove PicoDLP data from the board file.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen 7346582dd1 ARM: OMAP: dss-common: use new display drivers
Use the new display drivers for OMAP4 Panda and OMAP4 SDP boards.

The new OMAP display drivers were merged for 3.11, and we can now change
the board files to use the new ones and phase out the old ones.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:19 +03:00
Tomi Valkeinen d14b97397a ARM: OMAP2+: Remove legacy DSS initialization for omap4
This is no longer needed as omap4 is now booted using device tree.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
2013-08-28 10:23:18 +03:00
Paul Walmsley 4514b4d7fc Merge branches 'hwmod_devel_v3.12', 'prcm_devel_v3.12' and 'am33xx_devel_v3.12' into prcm_a_for_v3.12 2013-08-23 12:49:48 -06:00
Lokesh Vutla b84a76ae73 ARM: OMAP: AM33xx: clock: Add RNG clock data
Add clock data for RNG module on AM33xx SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 12:38:07 -06:00
Aida Mynzhasova 0f0dd08932 ARM: OMAP: TI81XX: add always-on powerdomain for TI81XX
This patch adds alwon powerdomain support for TI81XX, which is required
for stable functioning of a big number of TI81XX subsystems.

Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:48:42 -06:00
Rajendra Nayak eeb6603fdd ARM: OMAP4: clock: Lock PLLs in the right sequence
On OMAP4 we have clk_set_rate()s being done for a few
DPLL clock nodes, as part of the clock init code, since
the bootloaders no longer locks these DPLLs.

So we have a clk_set_rate() done for a ABE DPLL node (which
inturn locks it) followed by a clk_set_rate() for the USB DPLL.

With USB DPLL being in bypass, we have this parent->child
relationship thats formed while the clocks get registered.

dpll_abe_ck
    |
    V
dpll_abe_x2_ck
    |
    V
dpll_abe_m3x2_ck
    |
    V
usb_hs_clk_div_ck
    |
    V
dpll_usb_ck

This is because usb_hs_clk_div_ck is bypass clock for dpll_usb_ck.

So with this parent->child relationship in place, a clk_set_rate()
on ABE DPLL results eventually in a clk_set_rate() call on USB DPLL,
because CCF does a clk_change_rate() (as part of clk_set_rate()) on
all downstream clocks resulting from a rate change on the top clock.

So its important that we lock USB DPLL before we lock ABE DPLL.
Without which we see these error logs at boot.
[These error logs will not be seen if using a bootloader that locks
USB DPLL]

[    0.000000] clock: dpll_usb_ck failed transition to 'locked'
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] Division by zero in kernel.
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-03445-gfb2af00-dirty #7
[    0.000000] [<c001bfe8>] (unwind_backtrace+0x0/0xf4) from [<c001868c>] (show_stack+0x10/0x14)
[    0.000000] [<c001868c>] (show_stack+0x10/0x14) from [<c02deb28>] (Ldiv0+0x8/0x10)
[    0.000000] [<c02deb28>] (Ldiv0+0x8/0x10) from [<c0477030>] (clk_divider_set_rate+0x10/0x114)
[    0.000000] [<c0477030>] (clk_divider_set_rate+0x10/0x114) from [<c0476ef4>] (clk_change_rate+0x38/0xb8)
[    0.000000] [<c0476ef4>] (clk_change_rate+0x38/0xb8) from [<c0476f5c>] (clk_change_rate+0xa0/0xb8)
[    0.000000] clock: trace_clk_div_ck: could not find divisor for target rate 0 for parent pmd_trace_clk_mux_ck
[    0.000000] Division by zero in kernel.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:48:42 -06:00
Vaibhav Hiremath 1721c70235 ARM: OMAP: AM33XX: hwmod: Add hwmod data for debugSS
In the original hwmod data file, DebugSS entry was disabled,
since we didn't (and do not) have SW to control it.

This patch enables it back with right data, so that it can be
controlled by different ways; and the suggested method it to
have modular driver for debugSS as well.

Refer to the link for more discussion on handling of debugSS -
https://patchwork.kernel.org/patch/2212111/

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:44:09 -06:00
Jon Hunter 127500ccb7 ARM: OMAP2+: Only write the sysconfig on idle when necessary
Currently, whenever we idle a device _idle_sysc() is called and writes to the
devices SYSCONFIG register to set the idle mode. A lot devices are using the
smart-idle mode and so the write to the SYSCONFIG register is programming the
same value that is already stored in the register.

Writes to the devices SYSCONFIG register can be slow, for example, writing to
the DMTIMER SYSCONFIG register takes 3 interface clock cycles and 3 functional
clock cycles. If the DMTIMER is using the slow 32kHz functional clock this can
take ~100us.

Furthermore, during boot on an OMAP4430 panda board, I see that there are 100
calls to _idle_sysc(), however, only 3 out of the 100 calls actually write
the SYSCONFIG register with a new value.

Therefore, to avoid unnecessary writes to device SYSCONFIG registers when
idling the device, only write the value if the value has changed. It should be
safe to do this on idle as the context of the register will never be lost while
the device is active.

Verified that suspend, CORE off and retention states are working with this
change on OMAP3430 Beagle board.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:40:23 -06:00
Ambresh K 7de516a63c ARM: OMAP: DRA7: Enable PM framework initializations
Initialise powerdomains, clockdomains, and hwmod frameworks.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:29:37 -06:00
Ambresh K 90020c7b2c ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data
Adding the hwmod data for DRA7XX platforms.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:29:13 -06:00
Rajendra Nayak 1d597b07b6 ARM: OMAP: DRA7: Reuse the omap44xx_restart and fix the device instance
The omap44xx_restart used on omap4 and omap5 devices can be reused
on dra7 devices as well. The device instance however is different
across omap5 and dra7 as compared to omap4. So fix this for omap5
as well as dra7.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Rajendra Nayak 9a4e301d0c ARM: OMAP: DRA7: powerdomain: Handle missing vc/vp
DRA7 belongs to the omap4plus devices which reuse the omap4_pwrdm_operations
ops for powerdomain control. DRA7 however has no VC/VP while all the
earlier omap4plus devices did.

So use the .pwrdm_has_voltdm() ops to pass this info on to the core.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K 97dd16b190 ARM: OMAP: DRA7: powerdomain: Add DRA7XX data and update header
Add the data file to describe all power domains inside the DRA7XX SoC.

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation to comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00
Ambresh K 11fadcfab9 ARM: OMAP: DRA7: clockdomain: Add DRA7XX data and update header
Add the data file to describe all clock domains inside the DRA7XX SoC

Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: added generation notation to comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-08-23 04:28:36 -06:00