From patchwork Mon Sep 21 06:51:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Zhonghui" X-Patchwork-Id: 7227841 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 81BAABEEC1 for ; Mon, 21 Sep 2015 06:51:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 94CA42083A for ; Mon, 21 Sep 2015 06:51:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8018D20747 for ; Mon, 21 Sep 2015 06:51:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753475AbbIUGvP (ORCPT ); Mon, 21 Sep 2015 02:51:15 -0400 Received: from mga02.intel.com ([134.134.136.20]:35898 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752501AbbIUGvO (ORCPT ); Mon, 21 Sep 2015 02:51:14 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP; 20 Sep 2015 23:51:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,566,1437462000"; d="scan'208";a="648882073" Received: from mli31-mobl2.ccr.corp.intel.com (HELO [10.255.30.152]) ([10.255.30.152]) by orsmga003.jf.intel.com with ESMTP; 20 Sep 2015 23:51:11 -0700 Message-ID: <55FFA8DD.5020109@linux.intel.com> Date: Mon, 21 Sep 2015 14:51:09 +0800 From: "Fu, Zhonghui" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Ulf Hansson , Adrian Hunter , yunpeng.gao@intel.com, andriy.shevchenko@linux.intel.com, peter.griffin@linaro.org CC: linux-mmc , "linux-kernel@vger.kernel.org" Subject: [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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. 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(-) -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html 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: