On Fri, 22 Feb 2019 06:54:06 -0800 Tony Lindgren <tony@xxxxxxxxxxx> wrote: > Hi, > > * Andreas Kemnade <andreas@xxxxxxxxxxxx> [190222 12:08]: > > Hmm, so what do we know: > > - git bisect at least led to something interesting, not some unrelated thing. > > which might just cause timing differences. > > Yes seems it's some twl related driver that gets only enabled for gta04 > with your .config. > > > - rtcwake + actual wakeup via rtc on my config = problem > > - rtcwake + actual wakeup via some other pin in the wkup domain = no problem > > - rtcwake + actual wakeup via powerbutton (twl4030-pwrbutton) = problem > > - omap2plus_defconfig seems to work here > > - no problems at other systems with dm3730 + twl4030 with my config > > and with omap2plus defconfig > > > > I deduce that there happens something strange at resume independant > > from what happend at suspend. Probably some timing issue. > > It's probaby some twl related code is (wrongly) trying to read/write > registers at noirq suspend level. Sounds like some driver tagged with > noirq suspend ops while it should not. > static irqreturn_t handle_twl4030_pih(int irq, void *devid) in drivers/mfd/twl4030-irq.c is doing the failed i2c access. Regards, Andreas
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