From patchwork Sun Oct 9 13:49:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9368481 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 390916077E for ; Sun, 9 Oct 2016 13:56:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27F9828FA9 for ; Sun, 9 Oct 2016 13:56:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1871628FAC; Sun, 9 Oct 2016 13:56:12 +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 B12CC28FA9 for ; Sun, 9 Oct 2016 13:56:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750979AbcJIN4L (ORCPT ); Sun, 9 Oct 2016 09:56:11 -0400 Received: from lucky1.263xmail.com ([211.157.147.130]:47485 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130AbcJIN4K (ORCPT ); Sun, 9 Oct 2016 09:56:10 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.138]) by lucky1.263xmail.com (Postfix) with ESMTP id C57B31EE661; Sun, 9 Oct 2016 21:44:14 +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 CF20D363; Sun, 9 Oct 2016 21:44:16 +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 unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 299865PXQ07; Sun, 09 Oct 2016 21:44:17 +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 5/9] mmc: dw_mmc-k3: deploay runtime PM facilities Date: Sun, 9 Oct 2016 21:49:06 +0800 Message-Id: <1476020951-31292-5-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-k3.c | 37 ++++++++++++++++--------------------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 6247894..99b859d 100644 --- a/drivers/mmc/host/dw_mmc-k3.c +++ b/drivers/mmc/host/dw_mmc-k3.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -162,35 +163,29 @@ static int dw_mci_k3_probe(struct platform_device *pdev) return dw_mci_pltfm_register(pdev, drv_data); } -#ifdef CONFIG_PM_SLEEP -static int dw_mci_k3_suspend(struct device *dev) +#ifdef CONFIG_PM +static int dw_mci_k3_runtime_suspend(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); - int ret; - - ret = dw_mci_suspend(host); - if (!ret) - clk_disable_unprepare(host->ciu_clk); - return ret; + return dw_mci_runtime_suspend(host); } -static int dw_mci_k3_resume(struct device *dev) +static int dw_mci_k3_runtime_resume(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); - int ret; - ret = clk_prepare_enable(host->ciu_clk); - if (ret) { - dev_err(host->dev, "failed to enable ciu clock\n"); - return ret; - } - - return dw_mci_resume(host); + return dw_mci_runtime_resume(host); } -#endif /* CONFIG_PM_SLEEP */ - -static SIMPLE_DEV_PM_OPS(dw_mci_k3_pmops, dw_mci_k3_suspend, dw_mci_k3_resume); +#endif /* CONFIG_PM */ + +static const struct dev_pm_ops dw_mci_k3_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(dw_mci_k3_runtime_suspend, + dw_mci_k3_runtime_resume, + NULL) +}; static struct platform_driver dw_mci_k3_pltfm_driver = { .probe = dw_mci_k3_probe, @@ -198,7 +193,7 @@ static struct platform_driver dw_mci_k3_pltfm_driver = { .driver = { .name = "dwmmc_k3", .of_match_table = dw_mci_k3_match, - .pm = &dw_mci_k3_pmops, + .pm = &dw_mci_k3_dev_pm_ops, }, };