GitHub/moto-9609/android_kernel_motorola_exynos9610.git
10 years agoMerge tag 'samsung-pm-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux...
Arnd Bergmann [Sat, 29 Mar 2014 01:02:56 +0000 (02:02 +0100)]
Merge tag 'samsung-pm-2' of git://git./linux/kernel/git/kgene/linux-samsung into next/cleanup3

Merge "Samsung PM related 2nd updates for v3.15" from Kukjin Kim:

From Tomasz Figa <t.figa@samsung.com>:
Current Samsung PM code is heavily unprepared for multiplatform
systems. The design implies accessing functions and global
variables defined in particular mach- subdirectory from common
code in plat-, which is not allowed when building ARCH_MULTIPLATFORM.
In addition there is a lot of forced code unification, which makes
common function handle any possible quirks of all supported SoCs.
In the end this design turned out to not work too well, ending with
a lot of empty functions exported from mach-, just because code in
common pm.c calls them. Moreover, recent trend of moving lower level
suspend/resume code to proper drivers, like pinctrl or clk, made a
lot of code there redundant, especially on DT-only platforms like
Exynos.

Note that this branch is based on previous tags/samsung-pm-1 and merge
tags/samsung-cleanup-2 because of fix build error from recent changes
of <linux/serial_s3c.h>

* tag 'samsung-pm-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Fix compilation error in cpuidle.c
  ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
  ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
  serial: s3c: Fix build of header without serial_core.h preinclusion
  ARM: EXYNOS: Allow wake-up using GIC interrupts
  ARM: EXYNOS: Stop using legacy Samsung PM code
  ARM: EXYNOS: Remove PM initcalls and useless indirection
  ARM: EXYNOS: Fix abuse of CONFIG_PM
  ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
  ARM: SAMSUNG: Move common save/restore helpers to separate file
  ARM: SAMSUNG: Move Samsung PM debug code into separate file
  ARM: SAMSUNG: Consolidate PM debug functions
  ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
  ARM: SAMSUNG: Save UART DIVSLOT register based on SoC type
  ARM: SAMSUNG: Add soc_is_s3c2410() helper
  ARM: EXYNOS: Do not resume l2x0 if not enabled before suspend

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux...
Arnd Bergmann [Sat, 29 Mar 2014 01:02:27 +0000 (02:02 +0100)]
Merge tag 'samsung-dt-3' of git://git./linux/kernel/git/kgene/linux-samsung into next/cleanup3

Merge "Samsung 3rd DT updates for v3.15" from Kukjin Kim:

- Arndale Octa board updates:
  LDO3 and LDO23 enabled for soft-reset
  LDO9 enabled for USB operation
  MDMA1 disabled to avoid imprecise external abort

Note that this is based on previous tags/samsung-dt-2

* tag 'samsung-dt-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: Keep some essential LDOs enabled for arndale-octa board
  ARM: dts: Disable MDMA1 node for arndale-octa board

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge tag 'samsung-cleanup-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene...
Arnd Bergmann [Sat, 29 Mar 2014 01:01:57 +0000 (02:01 +0100)]
Merge tag 'samsung-cleanup-3' of git://git./linux/kernel/git/kgene/linux-samsung into next/cleanup3

Merge "Samsung 3rd cleanup for v3.15" from Kukjin Kim:

- Remove <mach/hardware.h> in mach-exynos
- Remove invalid code from <mach/hardware.h> in mach-s3c24xx

Note that this is based on previous tags/samsung-cleanup-2

* tag 'samsung-cleanup-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Remove hardware.h file
  ARM: SAMSUNG: Remove hardware.h inclusion
  ARM: S3C24XX: Remove invalid code from hardware.h

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux...
Arnd Bergmann [Sat, 29 Mar 2014 00:59:22 +0000 (01:59 +0100)]
Merge tag 'samsung-dt-2' of git://git./linux/kernel/git/kgene/linux-samsung into next/cleanup3

Merge "Samsung 2nd DT updates for v3.15" from Kukjin Kim:

- add DT entry for AHCI SATA and SATA PHY with using generic
  PHY framework for exynos5250 and arndale, smdk5250 boards.
- add SSS DT node for exynos5420 and exynos5250
- remove leftover spi0 node for smdk5250 board
- add ADC and thermistor nodes for exynos4412-trats2 board
- move common irq-combiner node for exynos4x12 from exynos4212
  and exynos4412
- add ADC, PMU and GPS_ALIVE power domain nodes for exynos4x12

Note that based on previous tags/samsung-dt and tags/exynos-clk

* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: enable ahci sata and sata phy for exynos5250
  ARM: dts: add dt node for sss module for exynos5250/5420
  ARM: dts: Remove leftover spi0 node for smdk5250
  ARM: dts: Add ADC and themistor nodes for exynos4412-trats2
  ARM: dts: Move common dt data for interrupt combiner controller for exynos4x12
  ARM: dts: Add GPS_ALIVE power domain for exynos4x12
  ARM: dts: Add PMU dt data to support PMU for exynos4x12
  ARM: dts: Add ADC's dt data to read raw data for exynos4x12

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge tag 'samsung-cleanup-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene...
Arnd Bergmann [Sat, 29 Mar 2014 00:58:19 +0000 (01:58 +0100)]
Merge tag 'samsung-cleanup-2' of git://git./linux/kernel/git/kgene/linux-samsung into next/cleanup3

Merge "Samsung cleanup-2 for v3.15" from Kukjin Kim:

- use generic uncompress.h and remove all custom
  uncompress.h in mach-s3c24xx, s3c64xx, s5p64x0,
  s5pc100, s5pv210 and plat-samsung directories.

Note that based on previous tags/samsung-cleanup

* tag 'samsung-cleanup-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: remove all custom uncompress.h
  ARM: SAMSUNG: use generic uncompress.h

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge branches 'samsung/cleanup', 'samsung/exynos-clk' and 'samsung/exynos-clk2'...
Arnd Bergmann [Sat, 29 Mar 2014 00:51:51 +0000 (01:51 +0100)]
Merge branches 'samsung/cleanup', 'samsung/exynos-clk' and 'samsung/exynos-clk2' into next/cleanup3

These are dependencies for the following Samsung branches

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoMerge tag 'zynq-cleanup-for-3.15-v2' of git://git.xilinx.com/linux-xlnx into next...
Arnd Bergmann [Thu, 27 Mar 2014 01:10:57 +0000 (02:10 +0100)]
Merge tag 'zynq-cleanup-for-3.15-v2' of git://git.xilinx.com/linux-xlnx into next/cleanup2

Merge "arm: Xilinx Zynq cleanup patches for v3.15" from Michal Simek:

- Redesign SLCR initialization to enable
  driver developing which targets SLCR space

* tag 'zynq-cleanup-for-3.15-v2' of git://git.xilinx.com/linux-xlnx:
  ARM: zynq: Add waituart implementation
  ARM: zynq: Move of_clk_init from clock driver
  ARM: zynq: Introduce zynq_slcr_unlock()
  ARM: zynq: Add and use zynq_slcr_read/write() helper functions
  ARM: zynq: Make zynq_slcr_base static
  ARM: zynq: Map I/O memory on clkc init
  ARM: zynq: Hang iomapped slcr address on device_node
  ARM: zynq: Split slcr in two parts
  ARM: zynq: Move clock_init from slcr to common
  arm: dt: zynq: Add fclk-enable property to clkc node

[Arnd: remove SOC_BUS support from pull request]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
10 years agoARM: EXYNOS: Fix compilation error in cpuidle.c
Tomasz Figa [Thu, 20 Mar 2014 17:59:30 +0000 (02:59 +0900)]
ARM: EXYNOS: Fix compilation error in cpuidle.c

The big series refactoring Exynos suspend to RAM handling missed the
cpuidle driver that is disabled in exynos_defconfig, leaving it
including old mach/pm_core.h header and using old s3c_cpu_resume symbol
instead of new exynos_cpu_resume, resulting in compilation failures with
CONFIG_ARCH_EXYNOS and CONFIG_CPU_IDLE enabled.

This patch fixes that silly mistake and performs necessary modification
to arhc/arm/exynos/cpuidle.c to make it compile again.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
Tomasz Figa [Thu, 20 Mar 2014 18:22:33 +0000 (03:22 +0900)]
ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h

This patch fixes compilation failure due to missing explicit inclusion
of linux/serial_s3c.h in mach/pm-core.h, which contains definitions
required for further code in this header.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Remove hardware.h file
Sachin Kamat [Thu, 20 Mar 2014 19:49:03 +0000 (04:49 +0900)]
ARM: EXYNOS: Remove hardware.h file

This is a dummy placeholder file. Delete it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Remove hardware.h inclusion
Sachin Kamat [Thu, 20 Mar 2014 19:48:59 +0000 (04:48 +0900)]
ARM: SAMSUNG: Remove hardware.h inclusion

The contents of this header file are not referenced anywhere in the
included .c files except in devs.c. Remove its inclusion. For devs.c,
explicitly include sizes.h header for SZ_* macros.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: S3C24XX: Remove invalid code from hardware.h
Sachin Kamat [Thu, 20 Mar 2014 19:48:07 +0000 (04:48 +0900)]
ARM: S3C24XX: Remove invalid code from hardware.h

Remove the code that is not referenced anywhere. While at it also
remove incorrect file path.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Keep some essential LDOs enabled for arndale-octa board
Tushar Behera [Thu, 20 Mar 2014 19:26:40 +0000 (04:26 +0900)]
ARM: dts: Keep some essential LDOs enabled for arndale-octa board

LDO3 and LDO23 need to be enabled in order for soft-reset to work.
Additionally LDO9 needs to be enabled for USB operations.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Disable MDMA1 node for arndale-octa board
Tushar Behera [Thu, 20 Mar 2014 19:26:40 +0000 (04:26 +0900)]
ARM: dts: Disable MDMA1 node for arndale-octa board

MDMA1 can support both secure and non-secure AXI transactions. When this
is enabled in the kernel for boards that run in secure mode, we get
imprecise external aborts causing the kernel to oops.

Unhandled fault: imprecise external abort (0x1406) at 0x00000000
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007

Suggested-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Tested-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
Mark Brown [Thu, 20 Mar 2014 17:57:18 +0000 (02:57 +0900)]
ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion

Some very recent change appears to have removed an implicit inclusion of
serial_s3c.h causing build failures due to references to UART registers
in the serial port restore code in next-20140318.  Include it explicitly
to fix the build.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoserial: s3c: Fix build of header without serial_core.h preinclusion
Mark Brown [Thu, 20 Mar 2014 17:55:11 +0000 (02:55 +0900)]
serial: s3c: Fix build of header without serial_core.h preinclusion

serial_s3c.h uses upf_t which is defined in serial_core.h but does not
include that itself meaning that users which include serial_s3c.h by
itself don't build.

Signed-off-by: Mark Brown <broonie@linaro.org>
[t.figa: Moved inclusion under #ifndef __ASSEMBLY__ to fix mach-exynos]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Allow wake-up using GIC interrupts
Tomasz Figa [Mon, 17 Mar 2014 22:28:30 +0000 (07:28 +0900)]
ARM: EXYNOS: Allow wake-up using GIC interrupts

This patch restores the ability to receive wake-up events from internal
GIC interrupts, e.g. RTC tick or alarm interrupts.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Stop using legacy Samsung PM code
Tomasz Figa [Mon, 17 Mar 2014 22:28:27 +0000 (07:28 +0900)]
ARM: EXYNOS: Stop using legacy Samsung PM code

Since Exynos SoCs does not follow most of the semantics of older SoCs
when configuring the system to enter sleep, there is no reason to rely
on the legacy Samsung PM core anymore.

This patch adds local Exynos suspend ops and removes all the code left
unnecessary. As a side effect, suspend support on Exynos becomes
multiplatform-friendly.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Remove PM initcalls and useless indirection
Tomasz Figa [Mon, 17 Mar 2014 22:28:22 +0000 (07:28 +0900)]
ARM: EXYNOS: Remove PM initcalls and useless indirection

This patch simplifies Exynos PM initialization and makes it
multiplatform friendly by replacing initcalls used originally to invoke
all the initialization code with explicit function calls.

In addition, an useless subsys_interface is removed, as all its .add_dev
callback did was setting two function pointers.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Fix abuse of CONFIG_PM
Tomasz Figa [Mon, 17 Mar 2014 22:28:10 +0000 (07:28 +0900)]
ARM: EXYNOS: Fix abuse of CONFIG_PM

CONFIG_PM means that at least one of CONFIG_PM_SLEEP and
CONFIG_PM_RUNTIME is enabled, while multiple entries in
mach-exynos/Kconfig abused it to enable sleep- and runtime-specific
functionality.

This patch fixes this abuse by replacing dependencies on CONFIG_PM with
appropriate dependencies on either CONFIG_PM_SLEEP or CONFIG_PM_RUNTIME,
whichever is appropriate.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
Tomasz Figa [Mon, 17 Mar 2014 22:28:10 +0000 (07:28 +0900)]
ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h

To allow using Samsung PM memory check helpers on platforms that do not
use the legacy Samsung PM core, this patch moves prototypes of relevant
functions to plat/pm-common.h header.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Move common save/restore helpers to separate file
Tomasz Figa [Mon, 17 Mar 2014 22:28:10 +0000 (07:28 +0900)]
ARM: SAMSUNG: Move common save/restore helpers to separate file

To separate legacy PM code from generic helpers, this patch moves the
generic register save/restore helpers to a new file called pm-common.c
that is compiled always when CONFIG_PM_SLEEP is enabled, to allow
platforms that do not want to use the legacy PM code use the generic
helpers.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Move Samsung PM debug code into separate file
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: SAMSUNG: Move Samsung PM debug code into separate file

Not all Samsung SoC platforms are going to use the legacy Samsung PM
code enabled by CONFIG_SAMSUNG_PM_DEBUG. To allow using Samsung PM debug
helpers on such platforms, related code is moved to separate file and
a plat/pm-common.h header is added to separate legacy and generic code.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Consolidate PM debug functions
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: SAMSUNG: Consolidate PM debug functions

This patch removes one-line functions that was used just to pass
constant arguments to lower level functions. After previous patches the
need for those constants has been eliminated, so the main functions can
be called directly.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Use debug_ll_addr() to get UART base address
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: SAMSUNG: Use debug_ll_addr() to get UART base address

This patch modifies Samsung PM debug helpers to use a multiplatform
friendly way of getting base address of debug UART port, so instead
of using a per-mach static macro, a generic debug_ll_addr() helper
is used.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Save UART DIVSLOT register based on SoC type
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: SAMSUNG: Save UART DIVSLOT register based on SoC type

The only SoC that does not have DIVSLOT register is S3C2410, so instead
of exporting a variable for platforms to set if DIVSLOT register should
be preserved, it's enough to simply check whether we are running on
a S3C2410 instead.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: Add soc_is_s3c2410() helper
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: SAMSUNG: Add soc_is_s3c2410() helper

Due to the S3C2410 SoC being quite different from other S3C24xx SoCs
in some aspects, such as availability of DIVSLOT register in its UART
blocks, there is a need sometimes to check whether we are running on
this SoC, not just the S3C24xx series. This patch adds soc_is_s3c2410()
helper function for this purpose.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: EXYNOS: Do not resume l2x0 if not enabled before suspend
Tomasz Figa [Mon, 17 Mar 2014 22:28:09 +0000 (07:28 +0900)]
ARM: EXYNOS: Do not resume l2x0 if not enabled before suspend

Trying to resume l2x0 if it was not enabled before suspend leads to
system crash. This patch prevents this by checking if l2x0_regs_phys is
a valid pointer to l2x0 context data saved on initialization.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoMerge branch 'v3.15-next/cleanup-samsung-2' into v3.15-next/s2r-pm-samsung-2
Kukjin Kim [Thu, 20 Mar 2014 19:04:15 +0000 (04:04 +0900)]
Merge branch 'v3.15-next/cleanup-samsung-2' into v3.15-next/s2r-pm-samsung-2

10 years agoARM: dts: enable ahci sata and sata phy for exynos5250
Yuvaraj Kumar C D [Mon, 17 Mar 2014 22:49:14 +0000 (07:49 +0900)]
ARM: dts: enable ahci sata and sata phy for exynos5250

This patch adds dt entry for ahci sata controller and its
corresponding phy controller.phy node has been added w.r.t
new generic phy framework.

Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: add dt node for sss module for exynos5250/5420
Naveen Krishna Chatradhi [Mon, 17 Mar 2014 22:38:04 +0000 (07:38 +0900)]
ARM: dts: add dt node for sss module for exynos5250/5420

This patch adds the device tree node for SSS module
found on Exynos5420 and Exynos5250

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Remove leftover spi0 node for smdk5250
Mark Brown [Mon, 17 Mar 2014 22:16:44 +0000 (07:16 +0900)]
ARM: dts: Remove leftover spi0 node for smdk5250

Now that the SPI controllers are disabled by default for Exynos5250
there is no need to explicitly disable them in individual board files.
This hunk appears not to have been merged when doing the original
conversion, add it now.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add ADC and themistor nodes for exynos4412-trats2
Chanwoo Choi [Mon, 17 Mar 2014 21:25:59 +0000 (06:25 +0900)]
ARM: dts: Add ADC and themistor nodes for exynos4412-trats2

This patch use ADC to get the temperature of SoC/battery by using NTC thermistor
driver in hwmon. NTC thermistor driver covnvert ADC's raw data to temperature
by using following variables:

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Move common dt data for interrupt combiner controller for exynos4x12
Chanwoo Choi [Mon, 17 Mar 2014 21:25:59 +0000 (06:25 +0900)]
ARM: dts: Move common dt data for interrupt combiner controller for exynos4x12

This patch move common dt data of interrupt combiner controller to
exynos4x12.dtsi. Each Exynos4x12 SoC has different number of interrput combiner
as following:
- Exynos4212 : interrput combiner 18(0 ~ 17)
- Exynos4412 : interrput combiner 20(0 ~ 19)

The exynos combiner driver initialize interrupt according to specific number
of interrput combiner.
- samsung,combiner-nr : The number of interrput combiners supported.

Also,
This patch arrange again the dt data according to register address
in exynos4212/exynos4412.dtsi.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add GPS_ALIVE power domain for exynos4x12
Chanwoo Choi [Mon, 17 Mar 2014 21:25:58 +0000 (06:25 +0900)]
ARM: dts: Add GPS_ALIVE power domain for exynos4x12

This patch add GPS_ALIVE power domain for Exynos4x12 SoC. GPS_ALIVE power domain
include GPS_BLK for GPS IP. Exynos SoC used generic power-domain driver to
control power domain. After completed kernel booting, Exynos power-domain driver
disable un-used power domain to reduce power-consumption/leak.

If GPS_ALIVE power domain isn't registered to Exynos power-domain driver,
happen power-leakage because GPS_ALIVE_CONFIGURATION is default power on state.

- 0x10023D00 : GPS_ALIVE_CONFIGURATION register address

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add PMU dt data to support PMU for exynos4x12
Chanwoo Choi [Mon, 17 Mar 2014 21:25:58 +0000 (06:25 +0900)]
ARM: dts: Add PMU dt data to support PMU for exynos4x12

ARM CPU has its own performance profiling unit(PMU, Perforamnce Monitoring Unit).
This patch add PMU dt data to support PMU which count cache hit and miss events.

PMU interrput list of Exynos4212
- <2 2> : INTG2[2] - PMUIRQ[0] for CPU0
- <3 2> : INTG3[2] - PMUIRQ[1] for CPU1

PMU interrput list of Exynos4412
- <2 2> : INTG2[2], PMUIRQ[0] for CPU0
- <3 2> : INTG3[2], PMUIRQ[1] for CPU1
- <18 2> : INTG18[2], PMUIRQ[2] : CPU2
- <19 2> : INTG19[2], PMUIRQ[3] : CPU3

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add ADC's dt data to read raw data for exynos4x12
Chanwoo Choi [Mon, 17 Mar 2014 21:25:58 +0000 (06:25 +0900)]
ARM: dts: Add ADC's dt data to read raw data for exynos4x12

This patch add ADC(Analog to Digital Converter)'s dt data to get raw data
with IIO subsystem. Usually, ADC is used to check temperature, jack type
and so on.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: zynq: Add waituart implementation
Michal Simek [Mon, 3 Feb 2014 16:36:23 +0000 (17:36 +0100)]
ARM: zynq: Add waituart implementation

Add missing waituart implementation.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
10 years agoARM: zynq: Move of_clk_init from clock driver
Michal Simek [Wed, 5 Feb 2014 14:41:51 +0000 (15:41 +0100)]
ARM: zynq: Move of_clk_init from clock driver

Move of_clk_init() from clock driver to enable
options not to use zynq clock driver.
Use for example fixed clock setting.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
10 years agoARM: SAMSUNG: remove all custom uncompress.h
Heiko Stuebner [Tue, 11 Mar 2014 13:05:09 +0000 (22:05 +0900)]
ARM: SAMSUNG: remove all custom uncompress.h

All Samsung platforms now use the generic uncompress.h so all the
custom ones can be removed.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: SAMSUNG: use generic uncompress.h
Heiko Stuebner [Tue, 11 Mar 2014 13:05:09 +0000 (22:05 +0900)]
ARM: SAMSUNG: use generic uncompress.h

All Samsung platforms, not only Exynos, use the custom uncompress.h
simply to setup the uart for the initial debug output. This can also
be done using the generic uncompress.h.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoMerge tag 'integrator-for-v3.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Olof Johansson [Sun, 9 Mar 2014 06:53:33 +0000 (22:53 -0800)]
Merge tag 'integrator-for-v3.15-2' of git://git./linux/kernel/git/linusw/linux-integrator into next/cleanup2

Merge more Integrator multiplatform patches for v3.15 from Linus Walleij:

- Remove all dangling header files in <mach/*> from the global
  namespace and push them down into the mach-integrator folder.

- Decouple the Integrator from the plat-versatile sched_clock
  implementation.

* tag 'integrator-for-v3.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: register sched_clock directly
  ARM: integrator: localize the hardware.h header
  ARM: integrator: merge platform.h to hardware.h
  ARM: integrator: localize the impd1.h header
  ARM: integrator: localize the lm.h header

Signed-off-by: Olof Johansson <olof@lixom.net>
10 years agoMerge branch 'integrator/multiplatform-base' into next/cleanup2
Olof Johansson [Sun, 9 Mar 2014 06:53:27 +0000 (22:53 -0800)]
Merge branch 'integrator/multiplatform-base' into next/cleanup2

* integrator/multiplatform-base:
  ARM: integrator: select GPIO block
  ARM: integrator: register the IM-PD1 VIC
  ARM: integrator: use managed resources for the IM-PD1
  irqchip: support cascaded VICs
  irqchip: vic: update the base IRQ member correctly
  clk: versatile: respect parent rate in ICST clock
  clk: versatile: pass a parent to the ICST clock
  ARM: integrator: switch to fetch clocks from device tree
  ARM: SP804: make Integrator/CP timer pick clock from DT
  ARM: integrator: define clocks in the device trees

10 years agoARM: integrator: register sched_clock directly
Linus Walleij [Thu, 13 Feb 2014 20:35:07 +0000 (21:35 +0100)]
ARM: integrator: register sched_clock directly

The detour through plat-versatile/sched-clock.c is hard to migrate
to multiplatform set-up and it's very little code being duplicated
so let's just inline the sched_clock registration and cut one more
dependency to plat-versatile.

This also makes this sched_clock implementation compulsory.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
10 years agoARM: integrator: localize the hardware.h header
Linus Walleij [Thu, 13 Feb 2014 20:26:24 +0000 (21:26 +0100)]
ARM: integrator: localize the hardware.h header

As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the hardware.h
header down to the machine folder. There are no users outside the
machine in the kernel.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
10 years agoARM: integrator: merge platform.h to hardware.h
Linus Walleij [Thu, 13 Feb 2014 20:20:57 +0000 (21:20 +0100)]
ARM: integrator: merge platform.h to hardware.h

There is no need to have the two separate headers <mach/platform.h>
and <mach/hardware.h>, especially since we are now going to make them
local files. There is not one single driver outside the mach-integrator
folder referencing any of the files.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
10 years agoARM: integrator: localize the impd1.h header
Linus Walleij [Thu, 13 Feb 2014 19:07:26 +0000 (20:07 +0100)]
ARM: integrator: localize the impd1.h header

As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the impd1.h
header down to the machine folder, copying the the three defines
only used by the clock driver down into the clock driver.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
10 years agoARM: integrator: localize the lm.h header
Linus Walleij [Thu, 13 Feb 2014 19:01:41 +0000 (20:01 +0100)]
ARM: integrator: localize the lm.h header

As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the lm.h
header down to the machine folder as it is not used outside it
anyway.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
10 years agoARM: dts: use macros in clock bindings for exynos5440
Andrzej Hajda [Wed, 26 Feb 2014 00:53:31 +0000 (09:53 +0900)]
ARM: dts: use macros in clock bindings for exynos5440

The patch replaces magic numbers with macros defined in DT header
in exynos5440 clock bindings.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: use macros in clock bindings for exynos5420
Andrzej Hajda [Wed, 26 Feb 2014 00:53:30 +0000 (09:53 +0900)]
ARM: dts: use macros in clock bindings for exynos5420

The patch replaces magic numbers with macros defined in DT header
in exynos5420 clock bindings.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: use macros in clock bindings for exynos5250
Andrzej Hajda [Wed, 26 Feb 2014 00:53:30 +0000 (09:53 +0900)]
ARM: dts: use macros in clock bindings for exynos5250

The patch replaces magic numbers with macros defined in DT header
in exynos5250 clock bindings.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: use macros in clock bindings for exynos4
Andrzej Hajda [Wed, 26 Feb 2014 00:53:30 +0000 (09:53 +0900)]
ARM: dts: use macros in clock bindings for exynos4

The patch replaces magic numbers with macros defined in DT header
in exynos4 clock bindings.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoLinux 3.14-rc4
Linus Torvalds [Mon, 24 Feb 2014 01:40:03 +0000 (17:40 -0800)]
Linux 3.14-rc4

10 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Mon, 24 Feb 2014 01:38:04 +0000 (17:38 -0800)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A collection of fixes for ARM platforms.  Most are fixes for DTS
  files, mostly from DT conversion on OMAP which is still finding a few
  issues here and there.

  There's a couple of small stale code removal patches that we usually
  queue for the next release instead, but they seemed harmless enough to
  bring in now.

  Also, a fix for backlight on some PXA platforms, and a cache
  configuration fix for Tegra, etc"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
  MAINTAINERS: add additional ARM BCM281xx/BCM11xxx maintainer
  ARM: tegra: only run PL310 init on systems with one
  ARM: tegra: Add head numbers to display controllers
  ARM: imx6: build pm-imx6q.c independently of CONFIG_PM
  ARM: tegra: fix RTC0 alias for Cardhu
  ARM: dove: dt: revert PMU interrupt controller node
  Documentation: dt: OMAP: Update Overo/Tobi
  ARM: dts: Add support for both OMAP35xx and OMAP36xx Overo/Tobi
  ARM: dts: omap3-tobi: Use the correct vendor prefix
  ARM: dts: omap3-tobi: Fix boot with OMAP36xx-based Overo
  ARM: OMAP2+: Remove legacy macros for zoom platforms
  ARM: OMAP2+: Remove MACH_NOKIA_N800
  ARM: dts: N900: add missing compatible property
  ARM: dts: N9/N950: fix boot hang with 3.14-rc1
  ARM: OMAP1: nokia770: enable tahvo-usb
  ARM: OMAP2+: gpmc: fix: DT ONENAND child nodes not probed when MTD_ONENAND is built as module
  ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
  ARM: dts: omap3-gta04: Fix mmc1 properties.
  ARM: dts: omap3-gta04: Fix 'aux' gpio key flags.
  ARM: OMAP2+: add missing ARCH_HAS_OPP
  ...

10 years agoMerge tag 'regulator-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Mon, 24 Feb 2014 01:37:25 +0000 (17:37 -0800)]
Merge tag 'regulator-v3.14-rc4' of git://git./linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "Mostly unexciting driver fixes, plus one fix to lower the severity of
  the log message when we don't use an optional regulator - the fixes
  for ACPI system made this come up more often and it was correctly
  observed that it was causing undue concern for users"

* tag 'regulator-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: max14577: Fix invalid return value on DT parse success
  regulator: core: Change dummy supplies error message to a warning
  regulator: s5m8767: Add missing of_node_put
  regulator: s5m8767: Use of_get_child_by_name
  regulator: da9063: Bug fix when setting max voltage on LDOs 5-11

10 years agoARM: EXYNOS: Remove uncompress.h
Sachin Kamat [Mon, 24 Feb 2014 00:39:18 +0000 (09:39 +0900)]
ARM: EXYNOS: Remove uncompress.h

Now that we can use the generic uncompres.h file, there is no need
for the machine specific header. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: debug: Use generic uncompress.h for exynos
Sachin Kamat [Mon, 24 Feb 2014 00:38:12 +0000 (09:38 +0900)]
ARM: debug: Use generic uncompress.h for exynos

As a pre-requisite step towards enabling multi-platform support
for Exynos, enable it to use generic uncompress.h instead of the
one provided in machine code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add vmmc-supply to MMC on arndale-octa board
Sachin Kamat [Sun, 23 Feb 2014 23:56:46 +0000 (08:56 +0900)]
ARM: dts: Add vmmc-supply to MMC on arndale-octa board

LDO10 is directly connected to MMC controller. Register this
through vmmc-supply property.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add wake up key to arndale-octa board
Sachin Kamat [Sun, 23 Feb 2014 23:54:51 +0000 (08:54 +0900)]
ARM: dts: Add wake up key to arndale-octa board

Added GPIO based wake up key to Arndale octa board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add PMIC support to arndale-octa board
Sachin Kamat [Sun, 23 Feb 2014 23:47:29 +0000 (08:47 +0900)]
ARM: dts: Add PMIC support to arndale-octa board

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add fixed voltage regulators to smdk5420
Sachin Kamat [Sun, 23 Feb 2014 23:47:29 +0000 (08:47 +0900)]
ARM: dts: Add fixed voltage regulators to smdk5420

Fixed voltage regulators required by audio codec added.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add I2S nodes to exynos5420
Sachin Kamat [Sun, 23 Feb 2014 23:47:28 +0000 (08:47 +0900)]
ARM: dts: Add I2S nodes to exynos5420

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add ADMA node to exynos5420
Sachin Kamat [Sun, 23 Feb 2014 23:47:28 +0000 (08:47 +0900)]
ARM: dts: Add ADMA node to exynos5420

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Re-organize RTC status for exynos5250
Sachin Kamat [Sun, 23 Feb 2014 23:47:28 +0000 (08:47 +0900)]
ARM: dts: Re-organize RTC status for exynos5250

Some boards might not have RTC xtal, so RTC shouldn't really be
enabled by default. Enable it in the required board files. For
now enable it for all board files to maintain the enabled status
exisitng prior to this patch.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Re-organize RTC status for exynos5420
Sachin Kamat [Sun, 23 Feb 2014 23:47:28 +0000 (08:47 +0900)]
ARM: dts: Re-organize RTC status for exynos5420

Some boards might not have RTC xtal, so RTC shouldn't really be
enabled by default. Enable it in the required board files.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: Add regulator entries to smdk5420
Sachin Kamat [Wed, 6 Nov 2013 08:14:41 +0000 (13:44 +0530)]
ARM: dts: Add regulator entries to smdk5420

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: add max77686 pmic node for smdk5250
Thomas Abraham [Sat, 15 Feb 2014 17:10:11 +0000 (02:10 +0900)]
ARM: dts: add max77686 pmic node for smdk5250

Add Maxim 77686 PMIC node for EXYNOS5250 based SMDK5250 board.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: update vdd_arm voltage range for exynos4412 based boards
Thomas Abraham [Sat, 15 Feb 2014 17:08:40 +0000 (02:08 +0900)]
ARM: dts: update vdd_arm voltage range for exynos4412 based boards

To allow EXYNOS4412 based Odroidx and Origen-quad boards to operate between
200MHz to 1.4Ghz, update the vdd_arm voltage range to operate between these
cpu clock speeds.

Cc: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoARM: dts: update watchdog device nodes for exynos5250 and exynos5420
Leela Krishna Amudala [Sat, 15 Feb 2014 16:58:29 +0000 (01:58 +0900)]
ARM: dts: update watchdog device nodes for exynos5250 and exynos5420

In EXYNOS5 series SoCs, PMU has registers to enable/disable mask/unmask
watchdog timer which is not the case with s3c series SoCs so, there is a
need to have different compatible names for watchdog to handle these pmu
registers access.

Hence this patch removes watchdog node from Exynos5.dtsi common file and
make it separate by updating existing node in Exynos5250 and adding new node
to Exynos5420. This patch also makes the watchdog node enabled by default

Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoMerge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 23 Feb 2014 22:17:08 +0000 (14:17 -0800)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "Serialize the registration of a new sched_clock in the currently ARM
  only generic sched_clock facilty to avoid sched_clock havoc"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched_clock: Prevent callers from seeing half-updated data

10 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 23 Feb 2014 22:15:46 +0000 (14:15 -0800)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:

 - a bugfix which prevents a divide by 0 panic when the newly introduced
   try_msr_calibrate_tsc() fails

 - enablement of the Baytrail platform to utilize the newfangled msr
   based calibration

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: tsc: Add missing Baytrail frequency to the table
  x86, tsc: Fallback to normal calibration if fast MSR calibration fails

10 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 23 Feb 2014 22:15:08 +0000 (14:15 -0800)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Another four fixlets to tame the ARM orion irq chip"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: orion: Fix getting generic chip pointer.
  irqchip: orion: clear stale interrupts in irq_startup
  irqchip: orion: use handle_edge_irq on bridge irqs
  irqchip: orion: clear bridge cause register on init

10 years agoMerge tag 'usb-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 23 Feb 2014 18:40:22 +0000 (10:40 -0800)]
Merge tag 'usb-3.14-rc4' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB fixes for reported issues for 3.14-rc4

  The majority of these are for USB gadget, phy, and musb driver issues.
  And there's a few new device ids thrown in for good measure"

* tag 'usb-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: chipidea: need to mask when writting endptflush and endptprime
  usb: musb: correct use of schedule_delayed_work()
  usb: phy: msm: fix compilation errors when !CONFIG_PM_SLEEP
  usb: gadget: fix NULL pointer dereference
  usb: gadget: printer: using gadget_is_otg to check otg support at runtime
  phy: let phy_provider_register be the last step in registering PHY
  phy-core: Don't allow building phy-core as a module
  phy-core: Don't propagate -ENOSUPP from phy_pm_runtime_get_sync to caller
  phy-core: phy_get: Leave error logging to the caller
  phy,phy-bcm-kona-usb2.c: Add dependency on HAS_IOMEM
  usb: musb: correct use of schedule_delayed_work()
  usb: musb: do not sleep in atomic context
  USB: serial: option: blacklist interface 4 for Cinterion PHS8 and PXS8
  USB: EHCI: add delay during suspend to prevent erroneous wakeups
  usb: gadget: bcm63xx_udc: fix build failure on DMA channel code
  usb: musb: do not sleep in atomic context
  usb: gadget: s3c2410_udc: Fix build error
  usb: musb: core: Fix remote-wakeup resume
  usb: musb: host: Fix SuperSpeed hub enumeration
  usb: musb: fix obex in g_nokia.ko causing kernel panic

10 years agoMerge tag 'tty-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sun, 23 Feb 2014 18:39:50 +0000 (10:39 -0800)]
Merge tag 'tty-3.14-rc4' of git://git./linux/kernel/git/gregkh/tty

Pull TTY revert from Greg KH:
 "Here is a single commit, a revert of a sysfs file change that ended up
  breaking a userspace tool"

* tag 'tty-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "tty: Set correct tty name in 'active' sysfs attribute"

10 years agoMerge tag 'staging-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 23 Feb 2014 18:39:21 +0000 (10:39 -0800)]
Merge tag 'staging-3.14-rc4' of git://git./linux/kernel/git/gregkh/staging

Pull staging tree fix from Greg KH:
 "Here is a single android driver fix for 3.14-rc4 that fixes a reported
  problem in the binder driver"

* tag 'staging-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: binder: Fix death notifications

10 years agoMerge tag 'char-misc-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...
Linus Torvalds [Sun, 23 Feb 2014 18:38:51 +0000 (10:38 -0800)]
Merge tag 'char-misc-3.14-rc4' of git://git./linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here is a single commit, to fix a reported problem in the mei driver"

* tag 'char-misc-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mei: set client's read_cb to NULL when flow control fails

10 years agoMAINTAINERS: add additional ARM BCM281xx/BCM11xxx maintainer
Matt Porter [Fri, 14 Feb 2014 15:15:03 +0000 (10:15 -0500)]
MAINTAINERS: add additional ARM BCM281xx/BCM11xxx maintainer

Add myself as an additional maintainer for the Broadcom mobile
SoCs.

Signed-off-by: Matt Porter <mporter@linaro.org>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
10 years agoMerge remote-tracking branches 'regulator/fix/da9063', 'regulator/fix/max14577' and...
Mark Brown [Sun, 23 Feb 2014 03:22:18 +0000 (12:22 +0900)]
Merge remote-tracking branches 'regulator/fix/da9063', 'regulator/fix/max14577' and 'regulator/fix/s5m8767' into regulator-linus

10 years agoMerge remote-tracking branch 'regulator/fix/core' into regulator-linus
Mark Brown [Sun, 23 Feb 2014 03:22:18 +0000 (12:22 +0900)]
Merge remote-tracking branch 'regulator/fix/core' into regulator-linus

10 years agoRevert "tty: Set correct tty name in 'active' sysfs attribute"
Greg Kroah-Hartman [Sat, 22 Feb 2014 22:31:04 +0000 (14:31 -0800)]
Revert "tty: Set correct tty name in 'active' sysfs attribute"

This reverts commit d8a5dc3033af2fd6d16030d2ee4fbd073460fe54.

This breaks plymouth installs, either because plymouth is using the file
"incorrectly" or because the patch is incorrect.  Either way, this needs
to be reverted until it is all figured out.

Reported-by: Josh Boyer <jwboyer@fedoraproject.org>
Reported-by: Ray Strode <halfline@gmail.com>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Werner Fink <werner@suse.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
10 years agoMerge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 22 Feb 2014 20:12:50 +0000 (12:12 -0800)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "Misc fixlets: a fair number of them resulting from the new
  SCHED_DEADLINE code"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/deadline: Remove useless dl_nr_total
  sched/deadline: Test for CPU's presence explicitly
  sched: Add 'flags' argument to sched_{set,get}attr() syscalls
  sched: Fix information leak in sys_sched_getattr()
  sched,numa: add cond_resched to task_numa_work
  sched/core: Make dl_b->lock IRQ safe
  sched/core: Fix sched_rt_global_validate
  sched/deadline: Fix overflow to handle period==0 and deadline!=0
  sched/deadline: Fix bad accounting of nr_running

10 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 22 Feb 2014 20:11:54 +0000 (12:11 -0800)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Misc fixlets from all around the place"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/uncore: Fix IVT/SNB-EP uncore CBOX NID filter table
  perf/x86: Correctly use FEATURE_PDCM
  perf, nmi: Fix unknown NMI warning
  perf trace: Fix ioctl 'request' beautifier build problems on !(i386 || x86_64) arches
  perf trace: Add fallback definition of EFD_SEMAPHORE
  perf list: Fix checking for supported events on older kernels
  perf tools: Handle PERF_RECORD_HEADER_EVENT_TYPE properly
  perf probe: Do not add offset twice to uprobe address
  perf/x86: Fix Userspace RDPMC switch
  perf/x86/intel/p6: Add userspace RDPMC quirk for PPro

10 years agoMerge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
Linus Torvalds [Sat, 22 Feb 2014 16:29:25 +0000 (08:29 -0800)]
Merge tag 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging

Pull hwmon fix from Guenter Roeck:
 "Fix writing the minimum temperature in max1668 driver"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (max1668) Fix writing the minimum temperature

10 years agoMerge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Sat, 22 Feb 2014 16:26:01 +0000 (08:26 -0800)]
Merge branch 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs

Pull xfs fixes from Dave Chinner:
 "This is the first pull request I've had to do for you, so I'm still
  sorting things out.  The reason I'm sending this and not Ben should be
  obvious from the first commit below - SGI has stepped down from the
  XFS maintainership role.  As such, I'd like to take another
  opportunity to thank them for their many years of effort maintaining
  XFS and supporting the XFS community that they developed from the
  ground up.

  So I haven't had time to work things like signed tags into my
  workflows yet, so this is just a repo branch I'm asking you to pull
  from.  And yes, I named the branch -rc4 because I wanted the fixes in
  rc4, not because the branch was for merging into -rc3.  Probably not
  right, either.

  Anyway, I should have everything sorted out by the time the next merge
  window comes around.  If there's anything that you don't like in the
  pull req, feel free to flame me unmercifully.

  The changes are fixes for recent regressions and important thinkos in
  verification code:

        - a log vector buffer alignment issue on ia32
        - timestamps on truncate got mangled
        - primary superblock CRC validation fixes and error message
          sanitisation"

* 'xfs-fixes-for-3.14-rc4' of git://oss.sgi.com/xfs/xfs:
  xfs: limit superblock corruption errors to actual corruption
  xfs: skip verification on initial "guess" superblock read
  MAINTAINERS: SGI no longer maintaining XFS
  xfs: xfs_sb_read_verify() doesn't flag bad crcs on primary sb
  xfs: ensure correct log item buffer alignment
  xfs: ensure correct timestamp updates from truncate

10 years agoMerge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...
Ingo Molnar [Sat, 22 Feb 2014 16:20:46 +0000 (17:20 +0100)]
Merge tag 'perf-urgent-for-mingo' of git://git./linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

  * Handle PERF_RECORD_HEADER_EVENT_TYPE properly. (Jiri Olsa)

  * Fix checking for supported events on older kernels in
    'perf list' (Vince Weaver)

  * Do not add offset twice to uprobe address in
    'perf probe' (Masami Hiramatsu)

  * Fix perf trace's ioctl 'request' beautifier build problems
    on !(i386 || x86_64) arches (Arnaldo Carvalho de Melo)

  * Fix 'perf trace' build by adding a fallback definition for
    EFD_SEMAPHORE (Ben Hutchings)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
10 years agoregulator: max14577: Fix invalid return value on DT parse success
Krzysztof Kozlowski [Fri, 21 Feb 2014 12:12:38 +0000 (13:12 +0100)]
regulator: max14577: Fix invalid return value on DT parse success

This fixes bug introduced in 667a6b7a (regulator: max14577: Add missing
of_node_put). The DTS parsing function returned number of matched
regulators as success status which then was compared against 0 in probe.

Result was a probe fail after successful parsing the DTS:
max14577-regulator: probe of max14577-regulator failed with error 2

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviwed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
10 years agoMerge tag 'irqchip-mvebu-fixes-3.14' of git://git.infradead.org/linux-mvebu into...
Thomas Gleixner [Fri, 21 Feb 2014 22:57:33 +0000 (23:57 +0100)]
Merge tag 'irqchip-mvebu-fixes-3.14' of git://git.infradead.org/linux-mvebu into irq/urgent

irqchip mvebu fixes for v3.14

 - orion:
    - fixes for clearing bridge cause register, and clearing stale interrupts

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agoMerge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux
Linus Torvalds [Fri, 21 Feb 2014 22:35:05 +0000 (14:35 -0800)]
Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull devicetree fixes from Grant Likely:
 "Device tree compatible match order bug fix

  This branch contains a bug fix for the way devicetree code identifies
  the type of device.  Device drivers can contain a list of
  of_device_ids, but it more than one entry will match, then the device
  driver may choose the wrong one.  Commit 105353145e, "match each node
  compatible against all given matches first", was queued for v3.14 but
  ended up causing other bugs.  Commit 06b29e76a7 attempted to fix it
  but it had other bugs.  Merely reverting the fix and waiting until
  v3.15 isn't a good option because there is code in v3.14 that depends
  on the revised behaviour to boot.

  This branch should finally fixes the problem correctly.  This time
  instead of just hoping that the patch is correct, this branch also
  adds new testcases that validate the behaviour.

  The changes in this branch are larger than I would like for a -rc
  pull, but moving the test case data out of out of arch/arm so that it
  could be validated on other architectures was important"

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
  of: Add self test for of_match_node()
  of: Move testcase FDT data into drivers/of
  of: reimplement the matching method for __of_match_node()
  Revert "of: search the best compatible match first in __of_match_node()"

10 years agoMerge git://www.linux-watchdog.org/linux-watchdog
Linus Torvalds [Fri, 21 Feb 2014 22:34:26 +0000 (14:34 -0800)]
Merge git://www.linux-watchdog.org/linux-watchdog

Pull watchdog fix from Wim Van Sebroeck:
 "It corrects the error code when no device was found for w83697hf_wdt"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: w83697hf_wdt: return ENODEV if no device was found

10 years agoirqchip: orion: Fix getting generic chip pointer.
Andrew Lunn [Thu, 6 Feb 2014 23:41:58 +0000 (00:41 +0100)]
irqchip: orion: Fix getting generic chip pointer.

Enabling SPARSE_IRQ shows up a bug in the irq-orion bridge interrupt
handler. The bridge interrupt is implemented using a single generic
chip. Thus the parameter passed to irq_get_domain_generic_chip()
should always be zero.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Fixes: 9dbd90f17e4f ("irqchip: Add support for Marvell Orion SoCs")
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
10 years agoperf/x86/uncore: Fix IVT/SNB-EP uncore CBOX NID filter table
Stephane Eranian [Wed, 19 Feb 2014 13:10:18 +0000 (14:10 +0100)]
perf/x86/uncore: Fix IVT/SNB-EP uncore CBOX NID filter table

This patch updates the CBOX PMU filters mapping tables for SNB-EP
and IVT (model 45 and 62 respectively).

The NID umask always comes in addition to another umask.
When set, the NID filter is applied.

The current mapping tables were missing some code/umask
combinations to account for the NID umask. This patch
fixes that.

Cc: mingo@elte.hu
Cc: ak@linux.intel.com
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140219131018.GA24475@quad
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agoperf/x86: Correctly use FEATURE_PDCM
Peter Zijlstra [Mon, 3 Feb 2014 13:29:03 +0000 (14:29 +0100)]
perf/x86: Correctly use FEATURE_PDCM

The current code simply assumes Intel Arch PerfMon v2+ to have
the IA32_PERF_CAPABILITIES MSR; the SDM specifies that we should check
CPUID[1].ECX[15] (aka, FEATURE_PDCM) instead.

This was found by KVM which implements v2+ but didn't provide the
capabilities MSR. Change the code to DTRT; KVM will also implement the
MSR and return 0.

Cc: pbonzini@redhat.com
Reported-by: "Michael S. Tsirkin" <mst@redhat.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140203132903.GI8874@twins.programming.kicks-ass.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agoperf, nmi: Fix unknown NMI warning
Markus Metzger [Sat, 15 Feb 2014 00:44:08 +0000 (16:44 -0800)]
perf, nmi: Fix unknown NMI warning

When using BTS on Core i7-4*, I get the below kernel warning.

$ perf record -c 1 -e branches:u ls
Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
 kernel:[  438.317893] Uhhuh. NMI received for unknown reason 31 on CPU 2.

Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
 kernel:[  438.317920] Do you have a strange power saving mode enabled?

Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
 kernel:[  438.317945] Dazed and confused, but trying to continue

Make intel_pmu_handle_irq() take the full exit path when returning early.

Cc: eranian@google.com
Cc: peterz@infradead.org
Cc: mingo@kernel.org
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392425048-5309-1-git-send-email-andi@firstfloor.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agousb: chipidea: need to mask when writting endptflush and endptprime
Matthieu CASTET [Wed, 19 Feb 2014 05:46:31 +0000 (13:46 +0800)]
usb: chipidea: need to mask when writting endptflush and endptprime

ENDPTFLUSH and ENDPTPRIME registers are set by software and clear
by hardware. There is a bit for each endpoint. When we are setting
a bit for an endpoint we should make sure we do not touch other
endpoint bit. There is a race condition if the hardware clear the
bit between the read and the write in hw_write.

Cc: stable <stable@vger.kernel.org> # 3.11+
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Tested-by: Michael Grzeschik <mgrzeschik@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
10 years agostaging: binder: Fix death notifications
Arve Hjønnevåg [Mon, 17 Feb 2014 21:58:29 +0000 (13:58 -0800)]
staging: binder: Fix death notifications

The change (008fa749e0fe5b2fffd20b7fe4891bb80d072c6a) that moved the
node release code to a separate function broke death notifications in
some cases. When it encountered a reference without a death
notification request, it would skip looking at the remaining
references, and therefore fail to send death notifications for them.

Cc: Colin Cross <ccross@android.com>
Cc: Android Kernel Team <kernel-team@android.com>
Cc: stable <stable@vger.kernel.org> # 3.10
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
10 years agosched/deadline: Remove useless dl_nr_total
Kirill Tkhai [Mon, 17 Feb 2014 22:24:13 +0000 (02:24 +0400)]
sched/deadline: Remove useless dl_nr_total

In deadline class we do not have group scheduling like in RT.

dl_nr_total is the same as dl_nr_running. So, one of them should
be removed.

Cc: Ingo Molnar <mingo@redhat.com>
Cc: Juri Lelli <juri.lelli@gmail.com>
Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/368631392675853@web20h.yandex.ru
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agosched/deadline: Test for CPU's presence explicitly
Boris Ostrovsky [Mon, 17 Feb 2014 14:12:33 +0000 (09:12 -0500)]
sched/deadline: Test for CPU's presence explicitly

A hot-removed CPU may have ID that is numerically larger than the number of
existing CPUs in the system (e.g. we can unplug CPU 4 from a system that
has CPUs 0, 1 and 4).

Thus the WARN_ONs should check whether the CPU in question is currently
present, not whether its ID value is less than num_present_cpus().

Cc: Ingo Molnar <mingo@kernel.org>
Cc: Juri Lelli <juri.lelli@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392646353-1874-1-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agosched: Add 'flags' argument to sched_{set,get}attr() syscalls
Peter Zijlstra [Fri, 14 Feb 2014 16:19:29 +0000 (17:19 +0100)]
sched: Add 'flags' argument to sched_{set,get}attr() syscalls

Because of a recent syscall design debate; its deemed appropriate for
each syscall to have a flags argument for future extension; without
immediately requiring new syscalls.

Cc: juri.lelli@gmail.com
Cc: Ingo Molnar <mingo@redhat.com>
Suggested-by: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140214161929.GL27965@twins.programming.kicks-ass.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agosched: Fix information leak in sys_sched_getattr()
Vegard Nossum [Sun, 16 Feb 2014 21:24:17 +0000 (22:24 +0100)]
sched: Fix information leak in sys_sched_getattr()

We're copying the on-stack structure to userspace, but forgot to give
the right number of bytes to copy. This allows the calling process to
obtain up to PAGE_SIZE bytes from the stack (and possibly adjacent
kernel memory).

This fix copies only as much as we actually have on the stack
(attr->size defaults to the size of the struct) and leaves the rest of
the userspace-provided buffer untouched.

Found using kmemcheck + trinity.

Fixes: d50dde5a10f30 ("sched: Add new scheduler syscalls to support an extended scheduling parameters ABI")
Cc: Dario Faggioli <raistlin@linux.it>
Cc: Juri Lelli <juri.lelli@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392585857-10725-1-git-send-email-vegard.nossum@oracle.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
10 years agosched,numa: add cond_resched to task_numa_work
Rik van Riel [Tue, 18 Feb 2014 22:12:44 +0000 (17:12 -0500)]
sched,numa: add cond_resched to task_numa_work

Normally task_numa_work scans over a fairly small amount of memory,
but it is possible to run into a large unpopulated part of virtual
memory, with no pages mapped. In that case, task_numa_work can run
for a while, and it may make sense to reschedule as required.

Cc: akpm@linux-foundation.org
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Reported-by: Xing Gang <gang.xing@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392761566-24834-2-git-send-email-riel@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>