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=-19.5 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 F1689C19F38 for ; Mon, 26 Jul 2021 16:36:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCB556056B for ; Mon, 26 Jul 2021 16:36:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239950AbhGZPym (ORCPT ); Mon, 26 Jul 2021 11:54:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:51044 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235024AbhGZPeE (ORCPT ); Mon, 26 Jul 2021 11:34:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4E7B960C40; Mon, 26 Jul 2021 16:14:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627316069; bh=8yugBpXtiHbW0IHUy3U3C4SeJTTZi2HmiKcDjHO1arY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xvSHXEHQoK1MBOp2mTx13JhXWyOxaEVq1/wAa5baWxVgVllP3dq8p0BYZ+foeS8kI uJxk5mzhx9oStTrZwCPMU3jSpPCbA8TNseE6Bf81yB+arWtCmMN5MlgpUgUCwOmt/V +Tm5t2mWny53Gupfqv0wlFb/8mq4RZzTJEpASwHA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Amelie Delaunay Subject: [PATCH 5.13 175/223] usb: typec: stusb160x: Dont block probing of consumer of "connector" nodes Date: Mon, 26 Jul 2021 17:39:27 +0200 Message-Id: <20210726153851.921391987@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210726153846.245305071@linuxfoundation.org> References: <20210726153846.245305071@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: Amelie Delaunay commit 6b63376722d9e1b915a2948e9b30f4ba2712e3f5 upstream. 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") Cc: stable Signed-off-by: Amelie Delaunay Link: https://lore.kernel.org/r/20210716120718.20398-3-amelie.delaunay@foss.st.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/typec/stusb160x.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -686,6 +686,15 @@ static int stusb160x_probe(struct i2c_cl 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. * Otherwise VDD is selected.