From patchwork Thu Apr 21 05:00:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sandeep Maheswaram X-Patchwork-Id: 565015 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DBACC433EF for ; Thu, 21 Apr 2022 05:02:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384179AbiDUFEr (ORCPT ); Thu, 21 Apr 2022 01:04:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384180AbiDUFEq (ORCPT ); Thu, 21 Apr 2022 01:04:46 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4418E0C0; Wed, 20 Apr 2022 22:01:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1650517317; x=1682053317; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=P95A/ueRztRGVysmekPboPHHKoj9v09Bnba5Qhz5LU4=; b=nP3OCEUOmALA5L1saQHNtzYyrYVf26NsuuEkMt8ysD36hhNr0wSIo6E8 E6HfZBOYyp9c8fRa+DxpLlD2TIlegiIlypR0DJDpad1dbF+5jWrn40qjz EbIJVx8yE6wMXqtecPlNLfaGpe+lAl2eUU9w1w6QEDzG6TfMrAotR0zd0 A=; Received: from unknown (HELO ironmsg05-sd.qualcomm.com) ([10.53.140.145]) by alexa-out-sd-02.qualcomm.com with ESMTP; 20 Apr 2022 22:01:57 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg05-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 22:01:57 -0700 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 15.2.986.22; Wed, 20 Apr 2022 22:01:56 -0700 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 15.2.986.22; Wed, 20 Apr 2022 22:01:51 -0700 From: Sandeep Maheswaram To: Krzysztof Kozlowski , Rob Herring , Greg Kroah-Hartman , Felipe Balbi , Stephen Boyd , "Doug Anderson" , Matthias Kaehlcke , Mathias Nyman CC: , , , , , , , , Sandeep Maheswaram Subject: [PATCH v4 3/3] usb: dwc3: host: Set the property usb-skip-phy-init Date: Thu, 21 Apr 2022 10:30:55 +0530 Message-ID: <1650517255-4871-4-git-send-email-quic_c_sanm@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1650517255-4871-1-git-send-email-quic_c_sanm@quicinc.com> References: <1650517255-4871-1-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-arm-msm@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 --- 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 3902b56..eebf203 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -68,7 +68,7 @@ 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; int prop_idx = 0; @@ -115,6 +115,8 @@ 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) {