From patchwork Mon Nov 8 06:41:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sandeep Maheswaram X-Patchwork-Id: 12607903 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF3D0C433FE for ; Mon, 8 Nov 2021 06:42:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7D1E60240 for ; Mon, 8 Nov 2021 06:42:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236333AbhKHGpM (ORCPT ); Mon, 8 Nov 2021 01:45:12 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:6266 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237180AbhKHGpJ (ORCPT ); Mon, 8 Nov 2021 01:45:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1636353746; x=1667889746; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=NY60+9RbJmuSbzCyMdFlgec8Bnna6jLnovIzVcr/yCs=; b=l2CE3RS7sEqJJT+IZVmxWHpvtwr7rnRy2imEhOJR4twgxVwc3M5R7eBA WNVV47n4Dy+oT8KDCOaF3n6PQh/YTDFHnBizvY0VrpLrLKzXlBqSdwa+v xtEM7115ey8daci5/Zch1OZ1iqwlFd7V/zLM4zlPgrYEbZn4S16VPgH11 w=; Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 07 Nov 2021 22:42:26 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2021 22:42:25 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.7; Sun, 7 Nov 2021 22:42:25 -0800 Received: from c-sanm-linux.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.7; Sun, 7 Nov 2021 22:42:19 -0800 From: Sandeep Maheswaram To: Rob Herring , Andy Gross , "Bjorn Andersson" , Greg Kroah-Hartman , Felipe Balbi , Stephen Boyd , Doug Anderson , "Matthias Kaehlcke" , Mathias Nyman CC: , , , , , , Sandeep Maheswaram Subject: [PATCH v2 3/3] usb: dwc3: host: Set the property usb-skip-phy-init Date: Mon, 8 Nov 2021 12:11:50 +0530 Message-ID: <1636353710-25582-4-git-send-email-quic_c_sanm@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1636353710-25582-1-git-send-email-quic_c_sanm@quicinc.com> References: <1636353710-25582-1-git-send-email-quic_c_sanm@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Runtime suspend of phy drivers was failing from DWC3 driver as runtime usage value is 2 because the phy is initialized from DWC3 core and HCD core. Some controllers like DWC3 and CDNS3 manage phy in their core drivers. This property can be set to avoid phy initialization in HCD core. Signed-off-by: Sandeep Maheswaram --- v2: Changed subject prefix from dwc to dwc3. Increased props array size. drivers/usb/dwc3/host.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index f29a264..ece7912 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -44,7 +44,7 @@ static int dwc3_host_get_irq(struct dwc3 *dwc) int dwc3_host_init(struct dwc3 *dwc) { - struct property_entry props[4]; + struct property_entry props[5]; struct platform_device *xhci; int ret, irq; struct resource *res; @@ -107,6 +107,8 @@ int dwc3_host_init(struct dwc3 *dwc) if (DWC3_VER_IS_WITHIN(DWC3, ANY, 300A)) props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped"); + props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb-skip-phy-init"); + if (prop_idx) { ret = device_create_managed_software_node(&xhci->dev, props, NULL); if (ret) {