From patchwork Thu Oct 10 10:01:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 3015071 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6B8F9BF924 for ; Thu, 10 Oct 2013 10:02:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 49E94200EB for ; Thu, 10 Oct 2013 10:02:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9ACA02032D for ; Thu, 10 Oct 2013 10:02:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755374Ab3JJKCX (ORCPT ); Thu, 10 Oct 2013 06:02:23 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:43367 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755372Ab3JJKCU (ORCPT ); Thu, 10 Oct 2013 06:02:20 -0400 Received: by mail-bk0-f46.google.com with SMTP id 6so853263bkj.19 for ; Thu, 10 Oct 2013 03:02:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=TnOTNdzNwM+MR+DhxKUakISgW2EiTDKv+EuunPCy8BA=; b=Ruv/QKzC0lfYSZacb16/kexQGgQ4P7jkVphvZnr+ufX3SFTKJtcWCyzG1DdVQ6PB90 T7UiDQu4tDtDLxtKxG2p5CVAEqqJr38ay8zFGzgp3eRg2I0cS4KIK4WfcgjrihPzVhSY AzxK8rM6sFV70p+RujDki2B92IM5onKR8BwnGuFfmtBsFavvslW65m9CYaZXVKCPxpn9 GSibRquN4CRXFO3BfRDfYIPsrn4FnZgDxp/BJKoWnbOewZla0dJq4dkM8u1C1gTISWp4 5bLY/cjhqwv9KN27cUxBV/NCV74dMI2JY/znyaa3hhczNa2aUFc6XlPfygG9yUwCAQH6 DH9w== X-Gm-Message-State: ALoCoQlHT3afFcOZZ7gXu4RxwBMpg5qmi5CG3T1RXP7D3ywcfu7Hlp82QmMoJIf32kMxk3YmRqVV X-Received: by 10.204.69.12 with SMTP id x12mr11540396bki.12.1381399339232; Thu, 10 Oct 2013 03:02:19 -0700 (PDT) Received: from localhost.localdomain ([85.235.11.236]) by mx.google.com with ESMTPSA id l5sm26653429bko.7.1969.12.31.16.00.00 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 10 Oct 2013 03:02:18 -0700 (PDT) From: Ulf Hansson To: linux-mmc@vger.kernel.org, Chris Ball Cc: Len Brown , Pavel Machek , " Rafael J. Wysocki" , Kevin Hilman , Alan Stern , Mika Westerberg , linux-pm@vger.kernel.org, Ulf Hansson Subject: [PATCH 2/2] mmc: core: Use autosuspend when applicable at runtime idle Date: Thu, 10 Oct 2013 12:01:47 +0200 Message-Id: <1381399307-21534-3-git-send-email-ulf.hansson@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1381399307-21534-1-git-send-email-ulf.hansson@linaro.org> References: <1381399307-21534-1-git-send-email-ulf.hansson@linaro.org> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 Typically the runtime idle function is triggered after resume and probe. Instead of immediately requesting the device to go into in-active state we make use of the autosuspend, if we have enabled it earlier. Cc: Len Brown Cc: Pavel Machek Cc: Rafael J. Wysocki Cc: Kevin Hilman Cc: Alan Stern Cc: Mika Westerberg Cc: linux-pm@vger.kernel.org Signed-off-by: Ulf Hansson --- drivers/mmc/core/bus.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index cdca8a7..7f0e900 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -205,6 +205,12 @@ static int mmc_runtime_resume(struct device *dev) static int mmc_runtime_idle(struct device *dev) { + if (pm_runtime_autosuspend_used(dev)) { + pm_runtime_mark_last_busy(dev); + pm_runtime_autosuspend(dev); + return -EBUSY; + } + return 0; }