From patchwork Wed Jul 13 13:39:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrice Gasnier X-Patchwork-Id: 12916731 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C3F1CC433EF for ; Wed, 13 Jul 2022 13:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=od/HTW/4Ec1epObhhGxHWVJO21XvaiZNOf8kSGgIpTE=; b=YxoAiKZVCAg7Yj y+duyV1T0BdZiBOdYZgdtL2r2xWQ8LsIdOrz6zc9SKudScIJMgyF1hmmbCZ8sCCXnjOv/lgJHFUzl zpROxsKisFM3Gop4q3SJwUsuhoPa1hZgN2Q+eTaG65H8IO8OtvTMRThvM/fayipAtP2Iee4k/gyYb LuwK3TLWn2ycpC2D3loAuH/jrouxZGoC2ae84d61hHlqep8WoOFc0ecHrFcorZwkHYiTOS6MV4ePX DiZPRwa3D2eYwWjj0ZscycKKKo2idqA3jt5esUse/gE7foScSmjUXeMK5gKGshjkQwHbG13neAzYb 5HiL4zQ0UrbWm1yAAd/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBcbG-0041C5-1i; Wed, 13 Jul 2022 13:40:22 +0000 Received: from mx07-00178001.pphosted.com ([185.132.182.106]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBcbC-00419Z-3L; Wed, 13 Jul 2022 13:40:19 +0000 Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26DAkwjr027681; Wed, 13 Jul 2022 15:40:10 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=selector1; bh=JRyv1cb2Gr7w/X2gySSfzHJgcDNDC1uKvi9JD4ouJro=; b=uxo6Dn2D4OrxCBt13hKgXlMQssGX75dS+VpBAutkoEczXuGj/bt63GIA/gj1WjROUAEn KPuo60hCkMaqwJXcg9N+q3YidK0/RJp1ACrKT4Z1cwaTPrMAzBhsLNzLLbp3z2fu6Vof kyZfE8nfW2DlIMGupt5Oxn0gWBH503RDNQfTqSXRB6RdeHGqLWvcr4QsIoBO0Pcxw23m ljbj8BTiExwk08Ex5TEKD8L1QHDPRRX9QBJMOw8i44Qkbe7DtW+r/WICfQWiVNsuxEmm 1h45HJTihG7GcuGCwInsz/newACWSP9dn8ICqV09XAF3DrIK2tXkU6cBKRA6NI4lYVHb DA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3h93cwhtbc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 13 Jul 2022 15:40:10 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 757C210002A; Wed, 13 Jul 2022 15:40:07 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E9273222C90; Wed, 13 Jul 2022 15:40:07 +0200 (CEST) Received: from localhost (10.75.127.47) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.20; Wed, 13 Jul 2022 15:40:07 +0200 From: Fabrice Gasnier To: , CC: , , , , , Subject: [PATCH] phy: stm32: fix error return in stm32_usbphyc_phy_init Date: Wed, 13 Jul 2022 15:39:53 +0200 Message-ID: <20220713133953.595134-1-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-13_03,2022-07-13_02,2022-06-22_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220713_064018_454157_E92F24AC X-CRM114-Status: GOOD ( 15.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Error code is overridden, in case the PLL doesn't lock. So, the USB initialization can continue. This leads to a platform freeze. This can be avoided by returning proper error code to avoid USB probe freezing the platform. It also displays proper errors in log. Fixes: 5b1af71280ab ("phy: stm32: rework PLL Lock detection") Signed-off-by: Fabrice Gasnier --- drivers/phy/st/phy-stm32-usbphyc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c index 007a23c78d562..a98c911cc37ae 100644 --- a/drivers/phy/st/phy-stm32-usbphyc.c +++ b/drivers/phy/st/phy-stm32-usbphyc.c @@ -358,7 +358,9 @@ static int stm32_usbphyc_phy_init(struct phy *phy) return 0; pll_disable: - return stm32_usbphyc_pll_disable(usbphyc); + stm32_usbphyc_pll_disable(usbphyc); + + return ret; } static int stm32_usbphyc_phy_exit(struct phy *phy)