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
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
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