From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1092AC433B4 for ; Mon, 5 Apr 2021 09:23:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E135E611C9 for ; Mon, 5 Apr 2021 09:23:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240966AbhDEJXP (ORCPT ); Mon, 5 Apr 2021 05:23:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:39784 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239751AbhDEJRr (ORCPT ); Mon, 5 Apr 2021 05:17:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 651AC61398; Mon, 5 Apr 2021 09:17:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617614261; bh=OGJAUkr8EK1c6DbvydAiJAYmXQmidWmn7825VsxDhGQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QS1+sSSMaie/aQmwfy8U1hph1AZTsUAfhmiSTn7qJhpgedEgbKryKj6kBKsMQg5A2 0T7i5aa2bw20l7T93ea4R2Iyq2xL+s3qIE2N7aVGRd6JJbWLiHZasfBkHMAeoH3nIK Gw6DLp35aKA/ou8acZehcgWB2G5s6A2HufcFsVQw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shawn Guo Subject: [PATCH 5.11 142/152] usb: dwc3: qcom: skip interconnect init for ACPI probe Date: Mon, 5 Apr 2021 10:54:51 +0200 Message-Id: <20210405085038.833450909@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210405085034.233917714@linuxfoundation.org> References: <20210405085034.233917714@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shawn Guo commit 5e4010e36a58978e42b2ee13739ff9b50209c830 upstream. The ACPI probe starts failing since commit bea46b981515 ("usb: dwc3: qcom: Add interconnect support in dwc3 driver"), because there is no interconnect support for ACPI, and of_icc_get() call in dwc3_qcom_interconnect_init() will just return -EINVAL. Fix the problem by skipping interconnect init for ACPI probe, and then the NULL icc_path_ddr will simply just scheild all ICC calls. Fixes: bea46b981515 ("usb: dwc3: qcom: Add interconnect support in dwc3 driver") Signed-off-by: Shawn Guo Cc: stable Link: https://lore.kernel.org/r/20210311060318.25418-1-shawn.guo@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/dwc3-qcom.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -244,6 +244,9 @@ static int dwc3_qcom_interconnect_init(s struct device *dev = qcom->dev; int ret; + if (has_acpi_companion(dev)) + return 0; + qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr"); if (IS_ERR(qcom->icc_path_ddr)) { dev_err(dev, "failed to get usb-ddr path: %ld\n",