From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751871AbbKON6m (ORCPT ); Sun, 15 Nov 2015 08:58:42 -0500 Received: from mga02.intel.com ([134.134.136.20]:21605 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751449AbbKON6l (ORCPT ); Sun, 15 Nov 2015 08:58:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,297,1444719600"; d="scan'208";a="820375193" Message-ID: <56488F87.8040706@linux.intel.com> Date: Sun, 15 Nov 2015 21:58:31 +0800 From: "Fu, Zhonghui" User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Ulf Hansson , Adrian Hunter , neilb@suse.de, Jaehoon Chung , afenkart@gmail.com, joe@perches.com CC: linux-mmc , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] MMC/SDIO: enable SDIO device to suspend/resume asynchronously References: <55FF87F1.1000209@linux.intel.com> In-Reply-To: <55FF87F1.1000209@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Please see the latest version: "[PATCH v3] MMC/SDIO: enable SDIO device to suspend/resume asynchronously". Thanks, Zhonghui On 9/21/2015 12:30 PM, 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 SDIO card and function devices to suspend/resume > asynchronously. This will take advantage of multicore and improve > system suspend/resume speed. > > Signed-off-by: Zhonghui Fu > --- > Changes in v2: > - Amend commit message. > > drivers/mmc/core/sdio.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c > index b91abed..6719b77 100644 > --- a/drivers/mmc/core/sdio.c > +++ b/drivers/mmc/core/sdio.c > @@ -1106,6 +1106,8 @@ int mmc_attach_sdio(struct mmc_host *host) > pm_runtime_enable(&card->dev); > } > > + device_enable_async_suspend(&card->dev); > + > /* > * The number of functions on the card is encoded inside > * the ocr. > @@ -1126,6 +1128,8 @@ int mmc_attach_sdio(struct mmc_host *host) > */ > if (host->caps & MMC_CAP_POWER_OFF_CARD) > pm_runtime_enable(&card->sdio_func[i]->dev); > + > + device_enable_async_suspend(&card->sdio_func[i]->dev); > } > > /* > -- 1.7.1 >