[PATCH v9 0/2] Adds PMU and S2R support for exynos5420

Vikas Sajjan vikas.sajjan at samsung.com
Wed Oct 8 02:26:35 PDT 2014


On Wed, Oct 8, 2014 at 2:22 PM, Kukjin Kim <kgene at kernel.org> wrote:
> Vikas Sajjan wrote:
>>
>> Hi Kukjin,
>>
> Hi,
>>
>> On Tue, Oct 7, 2014 at 3:07 PM, Vikas Sajjan <vikas.sajjan at samsung.com> wrote:
>> > Rebased on
>> > 1] Kukjin Kim's tree, for-next branch
>> > https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/log/?h=for-next
>> > 2] Pankaj Dubey's v9 PMU patchset
>> > http://www.spinics.net/lists/arm-kernel/msg367939.html
>> >
>> > changes since v8:
>> >         - addressed abhilash's comments to remove the restoring of
>> >           the CPU0 low power state register, since it will taken care in mcpm s2r
>> >           patch from abhilash.
>> >
>> > changes since v7:
>> >         - rebased on pankaj's latest patchset.
>> >
>> > changes since v6:
>> >         - rebased on 3.17.rc1.
>> >
>> > changes since v5:
>> >         - Refactored pm.c to use DT based lookup as suggested by Tomasz Figa.
>> >
>> > changes since v4:
>> >         - Adressed comments from Tomasz figa and rebased on Pankaj Dubey's v5 PMU patchset
>> >
>> > changes since v3:
>> > Addressed the following comments from Pankaj Dubey, Bartlomiej Zolnierkiewicz,
>> > Tomasz Figa and Alim Akhtar:
>> >         - Moved EXYNOS5420_USE_STANDBY_WFI_ALL define to regs-pmu.h.
>> >         - Merged exynos5420_set_core_flag function into powerdown_conf.
>> >         - Removed XXTI_DURATION3 register setting.
>> >         - Updated the commit message and ordered the clock registers in clock
>> >           patch.
>> >         - Removed the code for SYS_DISP1_BLK_CFG handling.
>> >         - Modified SoC checks to A9 specific checks in PM code.
>> >         - Updated some comments in the code and added macros for register offsets.
>> >         - Fixed code which was changing pad retention code for older SoCs.
>> >
>> > changes since v2:
>> >         - Addressed comments from Tomasz figa
>> >         - rebased on Pankaj's V3 patchset https://lkml.org/lkml/2014/5/2/612
>> >         - dropped patch "ARM: dts: Add node for GPIO keys on SMDK5420",
>> >           will be sent separately.
>> >
>> > changes since v1:
>> >         - Addressed comments from Tomasz figa.
>> >         - restructured/consolidated as per Tomasz figa's PM consolidations for exynos
>> >
>> > Tested on Kukjin Kim's tree, for-next branch +
>> > 1] http://www.spinics.net/lists/linux-samsung-soc/msg33750.html
>> > 2] https://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg37260.html
>> > 3] with the CLK_IGNORE_UNUSED flag for aclk200_disp1 CLK
>> >
>> > on Exynos5420 based chromebook (peach-pit board)
>> >
>> > Below procedures were followed to test S2R:
>> > Procedure A:
>> >         1. make multi_v7_defconfig
>> >         2  enable MCPM for 5420
>> >         3. enable S3C RTC
>> >         5. echo +20 > /sys/class/rtc/rtc0/wakealarm && echo mem > /sys/power/state
>> > Procedure B:
>> >         1. make exynos_defconfig
>> >         4. echo +20 > /sys/class/rtc/rtc0/wakealarm && echo mem > /sys/power/state
>> >
>> > Abhilash Kesavan (1):
>> >   ARM: exynos5: Add PMU support for 5420
>> >
>> > Vikas Sajjan (1):
>> >   ARM: exynos5: Add Suspend-to-RAM support for 5420
>> >
>> >  arch/arm/mach-exynos/pmu.c      |  287 +++++++++++++++++++++++++++++++++++++++
>> >  arch/arm/mach-exynos/regs-pmu.h |  227 +++++++++++++++++++++++++++++++
>> >  arch/arm/mach-exynos/suspend.c  |  151 +++++++++++++++++++-
>> >  3 files changed, 663 insertions(+), 2 deletions(-)
>> >
>>
>> Can you please pick this series.
>>
> Yes, sure I will queue this series after -rc1 release.

Thank you.

>
> Thanks,
> Kukjin
>



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