From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early() Date: Thu, 21 Sep 2017 09:41:33 +0100 Message-ID: <20170921084133.pptabevkolnwv2wy@dell> References: <20170920223152.100641-1-rajatja@google.com> <20170920223152.100641-2-rajatja@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-pm-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: Rajat Jain , Jarkko Nikula , Andy Shevchenko , Mika Westerberg , Wolfram Sang , linux-i2c , Linux Kernel Mailing List , "Wysocki, Rafael J" , "Rafael J. Wysocki" , Linux PM , Len Brown , furquan@google.com, rajatxjain@gmail.com List-Id: linux-i2c@vger.kernel.org On Thu, 21 Sep 2017, Rafael J. Wysocki wrote: > On Thu, Sep 21, 2017 at 12:31 AM, Rajat Jain 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 > > --- > > 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? Any reason you didn't send it to me? -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog