[PATCH v6 0/4] Adds PMU and S2R support for exynos5420

[Vikas Sajjan]

On Fri, Jul 11, 2014 at 11:45 AM, Naveen Krishna Ch
<naveenkrishna.ch at gmail.com> wrote:
> Hello Vikas,
>
> On 7 July 2014 18:25, 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 v6 PMU patchset
>> http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg33660.html
>>
>> 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] http://www.spinics.net/lists/linux-samsung-soc/msg32923.html
>>         3] https://www.mail-archive.com/linux-mmc@vger.kernel.org/msg26210.html (for eMMC S2R fail issue)
>>
>> on Exynos5420 based chromebook (peach-pit board) and Exynos5250 based chromebook (snow board).
>>
>> PS : Not tested on exynos4 based boards.
>>
>> Tested-by for exynos4 would be appreciated.
>>
>> Below procedures were followed to test S2R:
>> Procedure A:
>>         1. make multi_v7_defconfig
>>         2  enable MCPM for 5420
>>         3. enable S3C RTC
>>         4. pass "no_console_suspend" in bootargs
>>         5. echo +20 > /sys/class/rtc/rtc0/wakealarm && echo mem > /sys/power/state
>> Procedure B:
>>         1. make exynos_defconfig
>>         2  enable MCPM for 5420
>>         3  enable CONFIG_PL330_DMA
>>         4. enable CONFIG_PM_RUNTIME
>>         5. pass "no_console_suspend" in bootargs
>>         6. echo +20 > /sys/class/rtc/rtc0/wakealarm && echo mem > /sys/power/state
>
> Could test with the given description on Exynos5420 based Peach PIT.
> S2R on Exynos5250 based Snow works fine too.
>
> With http://www.spinics.net/lists/linux-samsung-soc/msg33999.html
> S2R on Exynos5800 based Peach PI works fine.
>
> Tested-by: Naveen Krishna Chatradhi <ch.naveen at samsung.com>
>

Thank you Naveen for testing.

Anybody has comments for this series?


>>
>> Abhilash Kesavan (2):
>>   arm: exynos5: Add PMU support for 5420
>>   arm: exynos5: Add Suspend-to-RAM support for 5420
>>
>> Vikas Sajjan (2):
>>   ARM: EXYNOS: Refactor the code to use DT based lookup
>>   clk: samsung: exynos5420: Setup clocks before system suspend
>>
>>  arch/arm/mach-exynos/pm.c            |  376 ++++++++++++++++++++++++++++++----
>>  arch/arm/mach-exynos/pmu.c           |  288 ++++++++++++++++++++++++++
>>  arch/arm/mach-exynos/regs-pmu.h      |  230 +++++++++++++++++++++
>>  drivers/clk/samsung/clk-exynos5420.c |   29 +++
>>  4 files changed, 880 insertions(+), 43 deletions(-)
>>
>> --
>> 1.7.9.5
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
>> the body of a message to majordomo at vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>
>
> --
> Shine bright,
> (: Nav :)