From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Lee Jones <lee.jones@linaro.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Rajat Jain <rajatja@google.com>,
Jarkko Nikula <jarkko.nikula@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Wolfram Sang <wsa@the-dreams.de>,
linux-i2c <linux-i2c@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
Linux PM <linux-pm@vger.kernel.org>,
Len Brown <len.brown@intel.com>,
furquan@google.com, rajatxjain@gmail.com
Subject: Re: [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early()
Date: Thu, 21 Sep 2017 16:10:13 +0200 [thread overview]
Message-ID: <1817408.bhcOjT5fdi@aspire.rjw.lan> (raw)
In-Reply-To: <20170921084133.pptabevkolnwv2wy@dell>
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?
Thanks,
Rafael
next prev parent reply other threads:[~2017-09-21 14:19 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 22:31 [PATCH 1/2] i2c: designware: switch to suspend_late/resume_early Rajat Jain
2017-09-20 22:31 ` [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early() Rajat Jain
2017-09-21 0:27 ` Rafael J. Wysocki
2017-09-21 1:14 ` Rajat Jain
2017-09-21 8:41 ` Lee Jones
2017-09-21 14:10 ` Rafael J. Wysocki [this message]
2017-09-21 15:17 ` Lee Jones
2017-09-21 15:18 ` Rafael J. Wysocki
2017-09-20 22:42 ` [PATCH 1/2] i2c: designware: switch to suspend_late/resume_early Rajat Jain
2017-09-21 0:24 ` Rafael J. Wysocki
2017-09-21 1:13 ` Rajat Jain
2017-09-21 14:11 ` Rafael J. Wysocki
2017-09-23 12:55 ` Rafael J. Wysocki
2017-09-23 15:49 ` Rajat Jain
2017-09-23 16:17 ` Rajat Jain
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