Hi Kevin, On Thu, Oct 9, 2014 at 4:49 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote: > Vikas Sajjan <vikas.sajjan@xxxxxxxxxxx> writes: > > [...] > >> 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@xxxxxxxxxxxxxxx/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 > > I went tried to this on exynos5800-peach-pi and found first that > exynos_defonfig is missing the MAX77802 kconfig options for the RTC > source clock: > > CONFIG_REGULATOR_MAX77802=y > CONFIG_COMMON_CLK_MAX77802=y I am using exynos_defconfig (no changes) with the internal SoC RTC which is enabled by default. I did not enable the MAX77802 RTC. > > With those, rtc0 then comes up, but isn't waking from suspend. However, > writing something to rtc0/wakealarm does result in /proc/interrupts > having an interrupt for the RTC, it's just not waking the system. > > Anyone else tried this on 5800/peach-pi? I have tested this on a Peach-Pi and the system is resuming fine. The patches applied on kgene's for-next branch along with the aclk200_disp1 fix are: http://lkml.org/lkml/2014/9/30/156 https://lkml.org/lkml/2014/10/6/89 http://www.spinics.net/lists/arm-kernel/msg368207.html http://www.spinics.net/lists/linux-samsung-soc/msg37647.html Abhilash -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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