From patchwork Sun Jul 31 03:18:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Kurapati X-Patchwork-Id: 595089 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 52B26C3F6B0 for ; Sun, 31 Jul 2022 03:19:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232102AbiGaDTD (ORCPT ); Sat, 30 Jul 2022 23:19:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230454AbiGaDTC (ORCPT ); Sat, 30 Jul 2022 23:19:02 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AE5912ACB; Sat, 30 Jul 2022 20:19:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1659237541; x=1690773541; h=from:to:cc:subject:date:message-id:mime-version; bh=KZKgEaYFp030UeBJld4BwuJcO0bDdIsR7ZB1bbf5yIo=; b=vIzmBpDGxi5lmrqfGabr8DkOwa5lh2+plZVafeEI5wmo5p7uI6E/wa2m afek4ZK8dTA+ViDO73rRFFm7Zpg4uB6fk1uFl878uZiijDwaisMHrLt7q om/4hQxu/ES0FEz5ZWEZQYZ/JPSbrTaHiBnSgcySVU8H31p/kPYKkHtJ3 w=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-01.qualcomm.com with ESMTP; 30 Jul 2022 20:19:00 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2022 20:19:00 -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; Sat, 30 Jul 2022 20:19:00 -0700 Received: from hu-kriskura-hyd.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; Sat, 30 Jul 2022 20:18:55 -0700 From: Krishna Kurapati To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Felipe Balbi , Greg Kroah-Hartman , Philipp Zabel CC: Randy Dunlap , , , , Krishna Kurapati Subject: [PATCH] usb: dwc3: qcom: Provide stubs for dwc3_qcom_read_usb2_speed function Date: Sun, 31 Jul 2022 08:48:50 +0530 Message-ID: <1659237530-436-1-git-send-email-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This patch intends to fix a build issue that is occurring due to dwc3_qcom_read_usb2_speed function which uses usb_hub_find_child API in its effors to get the speed of devices (HS/FS/LS) connected. usb_hub_find_child API is a part of usb core compiled into the kernel when CONFIG_USB=y. In some builds (make randconfig for i386) CONFIG_USB is not set and the usb core is not compiled into the kernel causing linking errors. Provide stubs for dwc3_qcom_read_usb2_speed function to use usb_hub_find_child API only if CONFIG_USB is set. Else return USB_SPEED_UNKNOWN. Fixes: 6895ea55c385 (usb: dwc3: qcom: Configure wakeup interrupts during suspend) Reported-by: Randy Dunlap Signed-off-by: Krishna Kurapati --- drivers/usb/dwc3/dwc3-qcom.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index c5e482f..bd8dc5a 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -299,6 +299,7 @@ static void dwc3_qcom_interconnect_exit(struct dwc3_qcom *qcom) icc_put(qcom->icc_path_apps); } +#ifdef CONFIG_USB static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) { struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); @@ -318,6 +319,12 @@ static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) return udev->speed; } +#else +static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) +{ + return USB_SPEED_UNKNOWN; +} +#endif static void dwc3_qcom_enable_wakeup_irq(int irq, unsigned int polarity) {