Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751838AbdIUPRl (ORCPT ); Thu, 21 Sep 2017 11:17:41 -0400 Received: from mail-wr0-f174.google.com ([209.85.128.174]:52670 "EHLO mail-wr0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751678AbdIUPRj (ORCPT ); Thu, 21 Sep 2017 11:17:39 -0400 X-Google-Smtp-Source: AOwi7QCh1bPG+oNPyF/Hs1prcQSC+5eKSnvI4qoUQLX5oQnGjbKutcZWO+B0rHCiDl+mc6UOfZ7iYQ== Date: Thu, 21 Sep 2017 16:17:34 +0100 From: Lee Jones To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Rajat Jain , Jarkko Nikula , Andy Shevchenko , Mika Westerberg , Wolfram Sang , linux-i2c , Linux Kernel Mailing List , "Wysocki, Rafael J" , Linux PM , Len Brown , furquan@google.com, rajatxjain@gmail.com Subject: Re: [PATCH 2/2] mfd: intel-lpss: switch to suspend_late()/resume_early() Message-ID: <20170921151734.x5vfsmfycm73wtdw@dell> References: <20170920223152.100641-1-rajatja@google.com> <20170921084133.pptabevkolnwv2wy@dell> <1817408.bhcOjT5fdi@aspire.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1817408.bhcOjT5fdi@aspire.rjw.lan> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2572 Lines: 63 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 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? > > Yes, I did. > > > Any reason you didn't send it to me? > > Well, Lee Jones 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 Follow Linaro: Facebook | Twitter | Blog