From patchwork Fri Sep 30 08:48:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9357783 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 161C3600C8 for ; Fri, 30 Sep 2016 08:46:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0771829EFE for ; Fri, 30 Sep 2016 08:46:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F025129F00; Fri, 30 Sep 2016 08:46:31 +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=ham 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 9908229EFE for ; Fri, 30 Sep 2016 08:46:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751712AbcI3Iqa (ORCPT ); Fri, 30 Sep 2016 04:46:30 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:60239 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161AbcI3Iqa (ORCPT ); Fri, 30 Sep 2016 04:46:30 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.227]) by lucky1.263xmail.com (Postfix) with ESMTP id C75F5635F0; Fri, 30 Sep 2016 16:46:20 +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 899A83C4; Fri, 30 Sep 2016 16:46:18 +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: <6c5ccfc2b2e4152b1e9d1a4696256b60> 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 21100CPGH6I; Fri, 30 Sep 2016 16:46:21 +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: [RFC PATCH v2 2/4] mmc: dw_mmc-rockchip: add runtime PM support Date: Fri, 30 Sep 2016 16:48:35 +0800 Message-Id: <1475225317-2815-3-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1475225317-2815-1-git-send-email-shawn.lin@rock-chips.com> References: <1475225317-2815-1-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 This patch adds runtime PM support for dw_mmc-rockchip. Signed-off-by: Shawn Lin --- drivers/mmc/host/dw_mmc-rockchip.c | 57 ++++++++++++++++++++++++++++++++++++-- 1 file changed, 54 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index 25eae35..3ad041c 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include "dw_mmc.h" @@ -325,6 +326,7 @@ static int dw_mci_rockchip_probe(struct platform_device *pdev) { const struct dw_mci_drv_data *drv_data; const struct of_device_id *match; + int ret; if (!pdev->dev.of_node) return -ENODEV; @@ -332,16 +334,65 @@ static int dw_mci_rockchip_probe(struct platform_device *pdev) match = of_match_node(dw_mci_rockchip_match, pdev->dev.of_node); drv_data = match->data; - return dw_mci_pltfm_register(pdev, drv_data); + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 50); + pm_runtime_use_autosuspend(&pdev->dev); + + ret = dw_mci_pltfm_register(pdev, drv_data); + if (ret) { + pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + return ret; + } + + pm_runtime_put_autosuspend(&pdev->dev); + + return 0; +} + +static int dw_mci_rockchip_remove(struct platform_device *pdev) +{ + pm_runtime_get_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + + return dw_mci_pltfm_remove(pdev); } +#ifdef CONFIG_PM +static int dw_mci_rockchip_runtime_suspend(struct device *dev) +{ + struct dw_mci *host = dev_get_drvdata(dev); + + return dw_mci_runtime_suspend(host); +} + +static int dw_mci_rockchip_runtime_resume(struct device *dev) +{ + struct dw_mci *host = dev_get_drvdata(dev); + + return dw_mci_runtime_resume(host); +} +#endif /* CONFIG_PM */ + +static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(dw_mci_rockchip_runtime_suspend, + dw_mci_rockchip_runtime_resume, + NULL) +}; + static struct platform_driver dw_mci_rockchip_pltfm_driver = { .probe = dw_mci_rockchip_probe, - .remove = dw_mci_pltfm_remove, + .remove = dw_mci_rockchip_remove, .driver = { .name = "dwmmc_rockchip", .of_match_table = dw_mci_rockchip_match, - .pm = &dw_mci_pltfm_pmops, + .pm = &dw_mci_rockchip_dev_pm_ops, }, };