From patchwork Sun Oct 9 13:51:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9368505 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F36006077E for ; Sun, 9 Oct 2016 13:58:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E628728FA9 for ; Sun, 9 Oct 2016 13:58:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DAB4128FAD; Sun, 9 Oct 2016 13:58:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9233028FA9 for ; Sun, 9 Oct 2016 13:58:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751670AbcJIN6L (ORCPT ); Sun, 9 Oct 2016 09:58:11 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:57920 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751521AbcJIN6K (ORCPT ); Sun, 9 Oct 2016 09:58:10 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.233]) by lucky1.263xmail.com (Postfix) with ESMTP id 5C8C863592; Sun, 9 Oct 2016 21:45:17 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED4: 1 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 5303F39A; Sun, 9 Oct 2016 21:45:17 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: jh80.chung@samsung.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 32013OJZLAH; Sun, 09 Oct 2016 21:45:17 +0800 (CST) From: Shawn Lin To: Jaehoon Chung , Ulf Hansson Cc: linux-mmc@vger.kernel.org, Doug Anderson , linux-rockchip@lists.infradead.org, Shawn Lin Subject: [PATCH 8/9] mmc: dw_mmc-pltfm: deploay runtime PM facilities Date: Sun, 9 Oct 2016 21:51:00 +0800 Message-Id: <1476021060-31436-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1476020951-31292-1-git-send-email-shawn.lin@rock-chips.com> References: <1476020951-31292-1-git-send-email-shawn.lin@rock-chips.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let's migrate it to use runtime PM and remove the system PM callback from this driver. With this patch, it could handle system PM properly and could also use runtime PM if we enable it. Signed-off-by: Shawn Lin --- drivers/mmc/host/dw_mmc-pltfm.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c index c0bb0c7..214e593 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.c +++ b/drivers/mmc/host/dw_mmc-pltfm.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -57,26 +58,29 @@ int dw_mci_pltfm_register(struct platform_device *pdev, } EXPORT_SYMBOL_GPL(dw_mci_pltfm_register); -#ifdef CONFIG_PM_SLEEP -/* - * TODO: we should probably disable the clock to the card in the suspend path. - */ -static int dw_mci_pltfm_suspend(struct device *dev) +#ifdef CONFIG_PM +static int dw_mci_pltfm_runtime_suspend(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); - return dw_mci_suspend(host); + return dw_mci_runtime_suspend(host); } -static int dw_mci_pltfm_resume(struct device *dev) +static int dw_mci_pltfm_runtime_resume(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); - return dw_mci_resume(host); + return dw_mci_runtime_resume(host); } -#endif /* CONFIG_PM_SLEEP */ - -SIMPLE_DEV_PM_OPS(dw_mci_pltfm_pmops, dw_mci_pltfm_suspend, dw_mci_pltfm_resume); +#endif /* CONFIG_PM */ + +const struct dev_pm_ops dw_mci_pltfm_pmops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(dw_mci_pltfm_runtime_suspend, + dw_mci_pltfm_runtime_resume, + NULL) +}; EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops); static const struct of_device_id dw_mci_pltfm_match[] = {