From patchwork Thu Mar 24 06:37:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sandeep Maheswaram X-Patchwork-Id: 12790427 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 4FF70C433F5 for ; Thu, 24 Mar 2022 06:37:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242309AbiCXGjR (ORCPT ); Thu, 24 Mar 2022 02:39:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348207AbiCXGjQ (ORCPT ); Thu, 24 Mar 2022 02:39:16 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D275972F9; Wed, 23 Mar 2022 23:37:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1648103864; x=1679639864; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=kaHDHzYnkeLY5hfEE/V9FOwVrbW8djaEM+Hu25ZuQpw=; b=CvK8mSyA9ah2LI83HDM22Vfp9JlCSKt4FvsijObXvS7wcIU1ais9891o gHYGhQJI1HSdYd+bb1bFhWnS/IC3VfFaBD+yUIVx9ZdrGVhfiRlPzoT7K oHDxM2Y8c1fiEr/5Tf+hWQNyTv7GS4f1cxsaACcz8+xE6YCMNloWrdPnd 8=; Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 23 Mar 2022 23:37:44 -0700 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; 23 Mar 2022 23:37:43 -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, 23 Mar 2022 23:37:43 -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, 23 Mar 2022 23:37:38 -0700 From: Sandeep Maheswaram To: Greg Kroah-Hartman , Felipe Balbi , Stephen Boyd , Doug Anderson , Matthias Kaehlcke , Mathias Nyman , Peter Chen , Pawel Laszczak , Roger Quadros , Aswath Govindraju CC: , , , , , Sandeep Maheswaram Subject: [PATCH v3 3/3] usb: dwc: host: add xhci_plat_priv quirk XHCI_SKIP_PHY_INIT Date: Thu, 24 Mar 2022 12:07:11 +0530 Message-ID: <1648103831-12347-4-git-send-email-quic_c_sanm@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1648103831-12347-1-git-send-email-quic_c_sanm@quicinc.com> References: <1648103831-12347-1-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 Currently the phy init is done from dwc3 and also xhci which makes the runtime_usage value 2 for the phy which causes issue during runtime suspend. When we run the below command the runtime_status still shows active. echo auto > /sys/bus/platform/devices/88e3000.phy/power/control dwc3 manages PHY by own DRD driver, so skip the management by HCD core by setting this quirk. Signed-off-by: Sandeep Maheswaram --- drivers/usb/dwc3/host.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index eda8719..d4fcf06 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -13,6 +13,12 @@ #include #include "core.h" +#include +#include + +static const struct xhci_plat_priv xhci_plat_dwc3_xhci = { + .quirks = XHCI_SKIP_PHY_INIT, +}; static void dwc3_host_fill_xhci_irq_res(struct dwc3 *dwc, int irq, char *name) @@ -122,6 +128,13 @@ int dwc3_host_init(struct dwc3 *dwc) } } + ret = platform_device_add_data(xhci, &xhci_plat_dwc3_xhci, + sizeof(xhci_plat_dwc3_xhci)); + if (ret) { + dev_err(dwc->dev, "failed to add data to xHCI\n"); + goto err; + } + ret = platform_device_add(xhci); if (ret) { dev_err(dwc->dev, "failed to register xHCI device\n");