On Fri, 12 Feb 2016, Even Xu wrote: > Current ISH driver only registers suspend/resume PM callbacks which don't > support hibernation (suspend to disk). Basically after hiberation, the ISH > can't resume properly and user may not see sensor events > (for example: screen rotation may not work). > > User will not see a crash or panic or anything except the following message > in log: > hid-sensor-hub 001F:8086:22D8.0001: timeout waiting for response from ISHTP device > > So this patch adds support for S4/hiberbation to ISH by using the > SIMPLE_DEV_PM_OPS() MACRO instead of struct dev_pm_ops directly. The suspend > and resume functions will now be used for both suspend to RAM and hibernation. > > If power management is disabled, SIMPLE_DEV_PM_OPS will do nothing, the suspend > and resume related functions won't be used, so mark them as __maybe_unused to > clarify that this is the intended behavior, and remove #ifdefs for power > management. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Even Xu <even.xu@xxxxxxxxx> > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> Applied to hid.git#for-4.18/upstream-fixes. Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
