From patchwork Mon Aug 31 15:39:08 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sekhar Nori X-Patchwork-Id: 7100321 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7A1479F32B for ; Mon, 31 Aug 2015 15:42:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A38B3206BD for ; Mon, 31 Aug 2015 15:42:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C869B206B8 for ; Mon, 31 Aug 2015 15:42:07 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZWRBg-0003gk-NB; Mon, 31 Aug 2015 15:40:00 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZWRBd-0003VT-TN for linux-arm-kernel@lists.infradead.org; Mon, 31 Aug 2015 15:39:58 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id t7VFdIvJ001069; Mon, 31 Aug 2015 10:39:18 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t7VFdIVN018127; Mon, 31 Aug 2015 10:39:18 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.224.2; Mon, 31 Aug 2015 10:39:18 -0500 Received: from psplinux063.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t7VFdAsI008245; Mon, 31 Aug 2015 10:39:15 -0500 From: Sekhar Nori To: Tony Lindgren , Felipe Balbi Subject: [PATCH 1/2] usb: dwc3: support for pinctrl state change during system sleep Date: Mon, 31 Aug 2015 21:09:08 +0530 Message-ID: <9dd70870cfee40154a37186d4cf3ae0e9a452cbd.1441029572.git.nsekhar@ti.com> X-Mailer: git-send-email 2.4.4.408.g16da57c In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150831_083958_047581_CE5D0CB0 X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.9 (------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Device Tree Mailing List , Pawel Moll , Ian Campbell , Greg Kroah-Hartman , linux-usb@vger.kernel.org, Rob Herring , Kumar Gala , Linux OMAP Mailing List , Linux ARM Mailing List Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for USB DRVVBUS pinctrl state change during suspend/resume. This helps is conserving power during system sleep. Signed-off-by: Sekhar Nori --- drivers/usb/dwc3/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ff5773c66b84..a5ffa66e39fb 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1093,6 +1093,8 @@ static int dwc3_suspend(struct device *dev) phy_exit(dwc->usb2_generic_phy); phy_exit(dwc->usb3_generic_phy); + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -1102,6 +1104,8 @@ static int dwc3_resume(struct device *dev) unsigned long flags; int ret; + pinctrl_pm_select_default_state(dev); + usb_phy_init(dwc->usb3_phy); usb_phy_init(dwc->usb2_phy); ret = phy_init(dwc->usb2_generic_phy);