From patchwork Sat Mar 2 13:23:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vivek Gautam X-Patchwork-Id: 2206951 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 20ABF3FCF2 for ; Sat, 2 Mar 2013 13:26:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752595Ab3CBNZi (ORCPT ); Sat, 2 Mar 2013 08:25:38 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:53326 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752539Ab3CBNZg (ORCPT ); Sat, 2 Mar 2013 08:25:36 -0500 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MJ10096YBYF2Z70@mailout3.samsung.com>; Sat, 02 Mar 2013 22:25:34 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [172.20.52.126]) by epcpsbgr1.samsung.com (EPCPMTA) with SMTP id 7F.3C.02494.ECDF1315; Sat, 02 Mar 2013 22:25:34 +0900 (KST) X-AuditID: cbfee68d-b7f636d0000009be-1f-5131fdce1cb6 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 18.15.03880.ECDF1315; Sat, 02 Mar 2013 22:25:34 +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 22:25:34 +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, Doug Anderson Subject: [PATCH v2 06/10] usb: xhci: Enable runtime pm in xhci-plat Date: Sat, 02 Mar 2013 18:53:07 +0530 Message-id: <1362230590-20960-7-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+NgFupikeLIzCtJLcpLzFFi42JZI2JSp3vur2GgwZdNkhYH79dbnF12kM2i efF6NoveBVfZLC487WGzuLxrDpvF7CX9LBYzzu9jsli0rJXZovnEKWYHLo/ZDRdZPOadDPTY P3cNu0ffllWMHsdvbGfy+LxJLoAtissmJTUnsyy1SN8ugStj5+bTbAW7uSr2P77K3sB4h6OL kZNDQsBEYvGry6wQtpjEhXvr2boYuTiEBJYySpxes5QZpujfjAmMEInpjBLNWzrYIZwpTBKt D1tYQKrYBHQlmt7uYgSxRQRkJQ5f+c0MUsQs8JtR4vzuOWA7hAWcJfb0zmQDsVkEVCVOdu1j B7F5BTwkVt2fzAKxTkHize1nYKs5BTwlpl/fDNYrBFTz595xsM0SArvYJc6t6GCGGCQg8W3y IaBmDqCErMSmA1BnS0ocXHGDZQKj8AJGhlWMoqkFyQXFSelFhnrFibnFpXnpesn5uZsYgfFw +t+z3h2Mtw9YH2JMBho3kVlKNDkfGE95JfGGxibmpsamZkaWlpampAkrifPKXZIJFBJITyxJ zU5NLUgtii8qzUktPsTIxMEp1cA47fa5nxozxR3vsNnGzvp2Rb2SLftRyVWepLu1ORUn9BJ2 xEnNucngdjshw3Xr3DjOv2L/NA/ET/D9bjR/87Xr33Z9z0qR23HbsDB/4bfy7+sERCpvleTb PVNbxrHt+7ubCt4veU9snZn2vrXPanNesp/NtH3zVJ9z7ztedDKs45xRexPXR1UvJZbijERD Leai4kQACiI3Zp0CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrOIsWRmVeSWpSXmKPExsVy+t9jQd1zfw0DDY73ClgcvF9vcXbZQTaL 5sXr2Sx6F1xls7jwtIfN4vKuOWwWs5f0s1jMOL+PyWLRslZmi+YTp5gduDxmN1xk8Zh3MtBj /9w17B59W1Yxehy/sZ3J4/MmuQC2qAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNL C3MlhbzE3FRbJRefAF23zBygy5QUyhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCB hDWMGTs3n2Yr2M1Vsf/xVfYGxjscXYycHBICJhL/ZkxghLDFJC7cW8/WxcjFISQwnVGieUsH O4QzhUmi9WELC0gVm4CuRNPbXWAdIgKyEoev/GYGKWIW+M0ocX73HFaQhLCAs8Se3plsIDaL gKrEya597CA2r4CHxKr7k1kg1ilIvLn9jBnE5hTwlJh+fTNYrxBQzZ97x9knMPIuYGRYxSia WpBcUJyUnmukV5yYW1yal66XnJ+7iREcbc+kdzCuarA4xCjAwajEwxvw0SBQiDWxrLgy9xCj BAezkgjv+auGgUK8KYmVValF+fFFpTmpxYcYk4GumsgsJZqcD0wEeSXxhsYm5qbGppYmFiZm lqQJK4nzMp56EiAkkJ5YkpqdmlqQWgSzhYmDU6qBsWOexbOTSfarMjYcbVkeeOkC28Mun6iT Ec8ivXcm5uSf+lTwZybTpoWnHzwLie9qeTtjg6ipYcLVKX5ZHa6sz1OeOJ7bdeBFyKXJUt8t /XbIXPH0rTaseSe44kBaX3SaxRmDyQXLUo7Fe916W5zS/7w5bKkIW5Dvx2WHw2bzit2Y07Yr R3yRkxJLcUaioRZzUXEiAOuITej6AgAA 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 By enabling runtime pm in this driver allows users of xhci-plat to enter into runtime pm. This is not full runtime pm support (AKA xhci-plat doesn't actually power anything off when in runtime suspend mode) but, just basic enablement. Signed-off-by: Vivek Gautam CC: Doug Anderson --- drivers/usb/host/xhci-plat.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index c9c7e13..595cb52 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -12,6 +12,7 @@ */ #include +#include #include #include @@ -149,6 +150,8 @@ static int xhci_plat_probe(struct platform_device *pdev) if (ret) goto put_usb3_hcd; + pm_runtime_enable(&pdev->dev); + return 0; put_usb3_hcd: @@ -174,6 +177,10 @@ static int xhci_plat_remove(struct platform_device *dev) struct usb_hcd *hcd = platform_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); + if (!pm_runtime_suspended(&dev->dev)) + pm_runtime_put(&dev->dev); + pm_runtime_disable(&dev->dev); + usb_remove_hcd(xhci->shared_hcd); usb_put_hcd(xhci->shared_hcd);