Hi Abhilash, On Fri, Dec 20, 2013 at 5:08 PM, Abhilash Kesavan <kesavan.abhilash@xxxxxxxxx> wrote: > Hi Sunil, > > On Fri, Dec 20, 2013 at 3:56 PM, sunil joshi <sjoshi.open@xxxxxxxxx> wrote: >> Hi Abhilash, >> I saw another patch in chrome tree ..by Andrew Bresticker >> which may be relevant here .. >> >> Just wondering if you missed adding this ? or this is not needed ? >> You did not face any issue in getting core to suspend ? > > This has not been added for Exynos5250 in mainline yet. We did notice > that the system would fail to suspend on the rare occasion (~1% of the > time on exynos5250) when we repeatedly suspended and resumed the > system. > > I have not run s2r stress tests, but have had no issues suspending the > system in my limited testing. We can probably let this be for now as > the system would resume fine even on a failed suspend. I will do some > stress testing and then post if needed. >> Ok. Sure .. Thanks for details ! >> ------------------------------------------------------------------------------------------ >> commit 95402d816b9f1a05ce633f7ff64b4c939c142482 >> Author: Andrew Bresticker <abrestic@xxxxxxxxxxxx> >> Date: Mon Jul 15 13:14:36 2013 -0700 >> >> arm: exynos: disable all interrupts on Exynos5420 before suspend >> >> Disable all interrupts from the GIC before entering suspend on >> Exynos5420 as is done on Exynos5250. If interrupts are enabled, we >> may receive an interrupt after entering WFI but before the PMU has >> suspended the system, causing suspend to fail. >> >> BUG=chrome-os-partner:20523 >> TEST=Run suspend_stress_test on Pit and observe that entering suspend >> no longer occasionally fails with the "Failed to suspend the system" >> error in exynos_cpu_suspend(). >> >> Change-Id: Ia2d963191f4e5485beb295b28f128f2ce256f987 >> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx> >> Reviewed-on: https://gerrit.chromium.org/gerrit/61948 >> Reviewed-by: Simon Glass <sjg@xxxxxxxxxxxx> >> > > Regards, > Abhilash > _______________________________________________ >>>> linux-arm-kernel mailing list >>>> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >>>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >>> -- >>> 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 -- 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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