On Fri, Nov 03, 2017 at 10:26:48AM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony@xxxxxxxxxxx> [171103 16:07]:
> > * Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx> [171103 10:45]:
> > > In the diffstat between the two build trees (post merge), I don't see
> > > anything in arch/arm that could account for it. I do see some power
> > > changes:
> > >
> > > drivers/base/power/domain_governor.c | 53 +--
> > > drivers/base/power/qos.c | 2 +-
> > > drivers/base/power/runtime.c | 2 +-
> > > drivers/base/power/sysfs.c | 25 +-
> > >
> > > but nothing in tty or serial. These power changes look like QoS
> > > changes, which probably aren't related.
> > >
> > > Just to make sure, I've diffed the build tree SHAs and the change in
> > > Linus' tip, and the two diffs match apart from a couple of SHA blob
> > > hashes on a couple of files (EFI stub and MAINTAINERS).
> >
> > Initiating git bisect sequence.
>
> Seems this is now fixed in the mainline kernel. I also confirmed
> that v4.14-rc6 fails to resume. Most likely Rafael's revert of
> the following two commits fixed the issue:
>
> 5ba257249e9c ("Revert "PM / QoS: Fix default runtime_pm device resume latency"")
> d5919dcc349d ("Revert "PM / QoS: Fix device resume latency PM QoS"")
Thanks. The nightly builder should build 3a99df9a3d14 as Linus'
tip plus all the other bits tonight. I won't have any time tomorrow
to look at the results though.
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