From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756601AbbIUJhH (ORCPT ); Mon, 21 Sep 2015 05:37:07 -0400 Received: from mga03.intel.com ([134.134.136.65]:28527 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932165AbbIUJeX (ORCPT ); Mon, 21 Sep 2015 05:34:23 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,567,1437462000"; d="scan'208";a="809226488" Message-ID: <1442827929.8361.119.camel@linux.intel.com> Subject: Re: [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously From: Andy Shevchenko To: "Fu, Zhonghui" , Ulf Hansson , Adrian Hunter , yunpeng.gao@intel.com, peter.griffin@linaro.org Cc: linux-mmc , "linux-kernel@vger.kernel.org" Date: Mon, 21 Sep 2015 12:32:09 +0300 In-Reply-To: <55FFA8DD.5020109@linux.intel.com> References: <55FFA8DD.5020109@linux.intel.com> Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.3-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. > 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 > -- Andy Shevchenko Intel Finland Oy