From patchwork Sat Mar 2 13:23:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Gautam X-Patchwork-Id: 2206971 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 4A8AC3FCF2 for ; Sat, 2 Mar 2013 13:26:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752429Ab3CBNZb (ORCPT ); Sat, 2 Mar 2013 08:25:31 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:12955 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752539Ab3CBNZ2 (ORCPT ); Sat, 2 Mar 2013 08:25:28 -0500 Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MJ10041RBY4UDA0@mailout4.samsung.com>; Sat, 02 Mar 2013 22:25:27 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.123]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id 42.E4.25214.7CDF1315; Sat, 02 Mar 2013 22:25:27 +0900 (KST) X-AuditID: cbfee68e-b7fa46d00000627e-08-5131fdc75965 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 54.15.03880.7CDF1315; Sat, 02 Mar 2013 22:25:27 +0900 (KST) Received: from vivekkumarg-linuxpc.sisodomain.com ([107.108.214.169]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MJ100MZ8BXX7W70@mmp2.samsung.com>; Sat, 02 Mar 2013 22:25:26 +0900 (KST) From: Vivek Gautam To: linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-samsung-soc@vger.kernel.org, gregkh@linuxfoundation.org, balbi@ti.com, sarah.a.sharp@linux.intel.com, kgene.kim@samsung.com, kishon@ti.com Subject: [PATCH v2 05/10] usb: dwc3: exynos: Enable runtime power management Date: Sat, 02 Mar 2013 18:53:06 +0530 Message-id: <1362230590-20960-6-git-send-email-gautam.vivek@samsung.com> X-Mailer: git-send-email 1.7.6.5 In-reply-to: <1362230590-20960-1-git-send-email-gautam.vivek@samsung.com> References: <1362230590-20960-1-git-send-email-gautam.vivek@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrPLMWRmVeSWpSXmKPExsWyRsSkWvf4X8NAg/dtghYH79dbNC9ez2bR u+Aqm8WFpz1sFpd3zWGzmL2kn8Vixvl9TBaLlrUyWzSfOMXswOkx72Sgx/65a9g9+rasYvQ4 fmM7k8fnTXIBrFFcNimpOZllqUX6dglcGbeePWUtOM1bMfHxdeYGxqPcXYycHBICJhKHn7Qw Q9hiEhfurWfrYuTiEBJYyihx5uwrJpiic8+vQCWmM0rMP78aypnCJHH98DM2kCo2AV2Jpre7 GEFsEQFZicNXfjODFDELXGKUWLFiCwtIQljAR6L92F0wm0VAVaJnxXyw3bwCHhIn565ih1in IPHm9jOwOKeAp8T065tZQWwhoJo/945D1Sxjl3j3VQBijoDEt8mHgGZyAMVlJTYdgHpHUuLg ihssExiFFzAyrGIUTS1ILihOSi8y0itOzC0uzUvXS87P3cQIDPzT/5717WC8ecD6EGMy0LiJ zFKiyfnAyMkriTc0NjE3NTY1M7K0tDQlTVhJnFf+kkygkEB6YklqdmpqQWpRfFFpTmrxIUYm Dk6pBsZ232r9RgblOKbLETx7n8gt8sm/63jKVMDm6s8mrRkJq/etXzDf5/I0q+uyvAoLtXod r3pdN0t9fXvPTM/uh1te/y/Zf0lfsedTt+sfmx/cHgXWZxPPW6S8ePPg3+YLi9R0TVlYFczD L19aefxDz0kx82dCGwuz//Plfrp0dev8hPp/d7V1vVuUWIozEg21mIuKEwFQJBS1kgIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrLIsWRmVeSWpSXmKPExsVy+t9jQd3jfw0DDb5O5rA4eL/eonnxejaL 3gVX2SwuPO1hs7i8aw6bxewl/SwWM87vY7JYtKyV2aL5xClmB06PeScDPfbPXcPu0bdlFaPH 8RvbmTw+b5ILYI1qYLTJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1tLQwV1LIS8xNtVVy 8QnQdcvMAbpHSaEsMacUKBSQWFyspG+HaUJoiJuuBUxjhK5vSBBcj5EBGkhYw5hx69lT1oLT vBUTH19nbmA8yt3FyMkhIWAice75FTYIW0ziwr31QDYXh5DAdEaJ+edXQzlTmCSuH34GVsUm oCvR9HYXI4gtIiArcfjKb2aQImaBS4wSK1ZsYQFJCAv4SLQfuwtmswioSvSsmM8MYvMKeEic nLuKHWKdgsSb28/A4pwCnhLTr29mBbGFgGr+3DvOPoGRdwEjwypG0dSC5ILipPRcI73ixNzi 0rx0veT83E2M4Mh6Jr2DcVWDxSFGAQ5GJR7egI8GgUKsiWXFlbmHGCU4mJVEeM9fNQwU4k1J rKxKLcqPLyrNSS0+xJgMdNVEZinR5Hxg1OeVxBsam5ibGptamliYmFmSJqwkzst46kmAkEB6 YklqdmpqQWoRzBYmDk6pBkYJIz+jJ3+dLPi3TwzzMfCa2M7sE6f/3eGoZEuzLMeZ1GmhazPX rxNSSdqq4F25eOLOmyVnp8WE57074xXAZnPDZTZbqOMuMZ7pnfv5BKp2RuxN7wnrzNLO5tsh /JXltrtSgt+rVxs5lzOcnxQnJ3dls2BSt7WvS8/dKrNYjzCDhqw1DQvtlFiKMxINtZiLihMB gBfU5fACAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Enabling runtime power management on dwc3-exynos letting dwc3 controller to be autosuspended on exynos platform when not in use. Signed-off-by: Vivek Gautam --- drivers/usb/dwc3/dwc3-exynos.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index e6771d9..28b5f8a 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -143,6 +144,10 @@ static int dwc3_exynos_probe(struct platform_device *pdev) exynos->dev = dev; exynos->clk = clk; + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + pm_runtime_forbid(dev); + clk_enable(exynos->clk); ret = platform_device_add_resources(dwc3, pdev->resource, @@ -158,10 +163,14 @@ static int dwc3_exynos_probe(struct platform_device *pdev) goto err2; } + pm_runtime_put_sync(dev); + pm_runtime_allow(dev); + return 0; err2: clk_disable(clk); + pm_runtime_disable(dev); err1: platform_device_put(dwc3); @@ -172,6 +181,10 @@ static int dwc3_exynos_remove(struct platform_device *pdev) { struct dwc3_exynos *exynos = platform_get_drvdata(pdev); + if (!pm_runtime_suspended(&pdev->dev)) + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); + platform_device_unregister(exynos->dwc3); platform_device_unregister(exynos->usb2_phy); platform_device_unregister(exynos->usb3_phy);