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SubjectRe: [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early()
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.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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