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SubjectRe: [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early()
On Thu, Sep 21, 2017 at 5:17 PM, Lee Jones <lee.jones@linaro.org> wrote:
> On Thu, 21 Sep 2017, Rafael J. Wysocki wrote:
>
>> On Thursday, September 21, 2017 10:41:33 AM CEST Lee Jones wrote:
>> > On Thu, 21 Sep 2017, Rafael J. Wysocki wrote:
>> >
>> > > On Thu, Sep 21, 2017 at 12:31 AM, Rajat Jain <rajatja@google.com> wrote:
>> > > > Ref: https://lkml.org/lkml/2017/9/19/649
>> > > >
>> > > > The intel-lpss hosts the designware i2c controller device, which
>> > > > needs to be up and running until all its i2c child devices have
>> > > > suspended (child devices need to be accessible over i2c until
>> > > > suspend_late() has been called for all those devices).
>> > > >
>> > > > So lets delay the resetting of the controller until suspend_late().
>> > > > I thought of renaming function to say *_late / *_early but that
>> > > > might cause confusion since the same function is also used for runtime
>> > > > suspend/resume.
>> > > >
>> > > > Fixes: 0b471aaa0e1a ("Put I2C and SPI controllers into reset state on suspend")
>> > > > Signed-off-by: Rajat Jain <rajatja@google.com>
>> > > > ---
>> > > > drivers/mfd/intel-lpss.h | 7 +------
>> > > > 1 file changed, 1 insertion(+), 6 deletions(-)
>> > > >
>> > > > diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h
>> > > > index 694116630ffa..865bbeaaf00c 100644
>> > > > --- a/drivers/mfd/intel-lpss.h
>> > > > +++ b/drivers/mfd/intel-lpss.h
>> > > > @@ -38,12 +38,7 @@ int intel_lpss_resume(struct device *dev);
>> > > > #ifdef CONFIG_PM_SLEEP
>> > > > #define INTEL_LPSS_SLEEP_PM_OPS \
>> > > > .prepare = intel_lpss_prepare, \
>> > > > - .suspend = intel_lpss_suspend, \
>> > > > - .resume = intel_lpss_resume, \
>> > > > - .freeze = intel_lpss_suspend, \
>> > > > - .thaw = intel_lpss_resume, \
>> > > > - .poweroff = intel_lpss_suspend, \
>> > > > - .restore = intel_lpss_resume,
>> > > > + SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
>> > > > #else
>> > > > #define INTEL_LPSS_SLEEP_PM_OPS
>> > > > #endif
>> > >
>> > > So I sent this exact patch several days ago:
>> > > https://patchwork.kernel.org/patch/9939809/
>> >
>> > You did?
>>
>> Yes, I did.
>>
>> > Any reason you didn't send it to me?
>>
>> Well, Lee Jones <lee@kernel.org> is very much in the CC list of it.
>>
>> Was I expected to use a different e-mail address for that?
>
> I don't monitor that one. Better to use the one in MAINTAINERS.

OK, I will in the future.

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