From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Fu, Zhonghui" Subject: Re: Re: [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously Date: Mon, 16 Nov 2015 14:29:29 +0800 Message-ID: <564977C9.8010207@linux.intel.com> References: <55FFA8DD.5020109@linux.intel.com> <1442827929.8361.119.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com ([134.134.136.20]:40312 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbbKPG3d (ORCPT ); Mon, 16 Nov 2015 01:29:33 -0500 In-Reply-To: <1442827929.8361.119.camel@linux.intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Andy Shevchenko , Ulf Hansson , Adrian Hunter , yunpeng.gao@intel.com, peter.griffin@linaro.org Cc: linux-mmc , "linux-kernel@vger.kernel.org" On 9/21/2015 5:32 PM, Andy Shevchenko wrote: > On Mon, 2015-09-21 at 14:51 +0800, Fu, Zhonghui wrote: >> Now, PM core supports asynchronous suspend/resume mode for devices >> during system suspend/resume, and the power state transition of one >> device may be completed in separate kernel thread. PM core ensures >> all power state transition timing dependency between devices. This >> patch enables sdhci-acpi device to suspend/resume asynchronously. >> This will take advantage of multicore and improve system >> suspend/resume speed. >> > It would be nice I think to put here statistics you collected as well. Sorry for replying this mail after long leave. I have added the test result into commit message and sent the latest version of this patch:"[PATCH v3] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously". Thanks, Zhonghui > >> Signed-off-by: Zhonghui Fu >> --- >> Changes in v2: >> - Amend commit message. >> >> drivers/mmc/host/sdhci-acpi.c | 2 ++ >> 1 files changed, 2 insertions(+), 0 deletions(-) >> >> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci >> -acpi.c >> index 22d929f..67e6263 100644 >> --- a/drivers/mmc/host/sdhci-acpi.c >> +++ b/drivers/mmc/host/sdhci-acpi.c >> @@ -379,6 +379,8 @@ static int sdhci_acpi_probe(struct >> platform_device *pdev) >> pm_runtime_enable(dev); >> } >> >> + device_enable_async_suspend(dev); >> + >> return 0; >> >> err_free: >> -- 1.7.1 >>