From patchwork Fri Jul 16 12:07:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amelie Delaunay X-Patchwork-Id: 12382063 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,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=ham 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 C227CC07E95 for ; Fri, 16 Jul 2021 12:07:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 985E16102A for ; Fri, 16 Jul 2021 12:07:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232231AbhGPMKh (ORCPT ); Fri, 16 Jul 2021 08:10:37 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:38087 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232024AbhGPMKh (ORCPT ); Fri, 16 Jul 2021 08:10:37 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16GBunYK013521; Fri, 16 Jul 2021 14:07:34 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=lzRYPr1+vdXF7JK12aAka1IrqHrsAt6uJeFasViIaO0=; b=fHvgmXEalhhGnJdzHWPl9ouTGzXmENkj3TGscD0/74AE6sjD7C4jBL1r+GQ4Vw1sgW/C LuyYHrrwW6uhDHOKLIY8d2+qNdaE3gKgJ+s6CWn/qwV7v74/LQxF5urx/pSVFK09033r KDvVrmO+H0WO2G1WRNLqOF70yWI7BSMhKgmofI8tG8Sz9eEp8IM3FtwEnmsYy+a/1Zme OxrmR3LqnQmjclfjBMriJ+tDQd1N0/uEVlSTPb+UBfWBkccXcFJsh9wMw4SyNO4GMpih IsVUq8VKSYvKSv0TIM0r1ZcrEg1RowXdmc2S6mz4QG9twF/7v0wkaOMk0avkM1tWP3ro zw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 39tw1ubpc9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Jul 2021 14:07:34 +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 7A3A910002A; Fri, 16 Jul 2021 14:07:34 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 6A6FD226FCD; Fri, 16 Jul 2021 14:07:34 +0200 (CEST) Received: from localhost (10.75.127.45) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 16 Jul 2021 14:07:33 +0200 From: Amelie Delaunay To: Heikki Krogerus , Greg Kroah-Hartman , Saravana Kannan CC: , , , Amelie Delaunay , Fabrice Gasnier Subject: [PATCH 2/2] usb: typec: stusb160x: Don't block probing of consumer of "connector" nodes Date: Fri, 16 Jul 2021 14:07:18 +0200 Message-ID: <20210716120718.20398-3-amelie.delaunay@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210716120718.20398-1-amelie.delaunay@foss.st.com> References: <20210716120718.20398-1-amelie.delaunay@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-07-16_04:2021-07-16,2021-07-16 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Similar as with tcpm this patch lets fw_devlink know not to wait on the fwnode to be populated as a struct device. Without this patch, USB functionality can be broken on some previously supported boards. Fixes: 28ec344bb891 ("usb: typec: tcpm: Don't block probing of consumers of "connector" nodes") Signed-off-by: Amelie Delaunay --- drivers/usb/typec/stusb160x.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index 3d3848e7c2c2..e7745d1c2a5c 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -685,6 +685,15 @@ static int stusb160x_probe(struct i2c_client *client) if (!fwnode) return -ENODEV; + /* + * This fwnode has a "compatible" property, but is never populated as a + * struct device. Instead we simply parse it to read the properties. + * This it breaks fw_devlink=on. To maintain backward compatibility + * with existing DT files, we work around this by deleting any + * fwnode_links to/from this fwnode. + */ + fw_devlink_purge_absent_suppliers(fwnode); + /* * When both VDD and VSYS power supplies are present, the low power * supply VSYS is selected when VSYS voltage is above 3.1 V.