From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 20 Mar 2023 16:31:18 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1peHTf-007zGt-EA for lore@lore.pengutronix.de; Mon, 20 Mar 2023 16:31:18 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1peHTe-0001kV-Se for lore@pengutronix.de; Mon, 20 Mar 2023 16:31:15 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5rVbBLUVk2JIBy5O+D3jL3FyZG0jP0nOIUERp/vdJjA=; b=xrCjQDf6wFhVnCdgfjo5elJLeb N3tP7swL7h7x5EdRVJ5rOJfQc3zCbxDvZqQuKoJaIebVXL7YV796ae/R01omJ70IVJJnZj5dXpL2p AGmVcY09LFCE0F6I92UDS58whdLJSoRePWkkTj9W3odyT9wQnVPVg2XZIAZevPw6HlZW4/QZpzCn6 msxehhyYs0pKmM2cY5aXzgZocbv1PFJ9qhAADmt/QUnBaiRrvGy/JDyzf5tQmy/CfZ8eJ//em7CmC Sz09Y0jwOjSO7/2vQKoPZF25O2K1aMaAeb1jAbbzbN+ifw7KGzI1HAkeuK8L1WerF4978jOWEStsv Ul2g4jiA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1peHSR-009XlX-1a; Mon, 20 Mar 2023 15:29:59 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1peHSI-009Xfe-2o for barebox@lists.infradead.org; Mon, 20 Mar 2023 15:29:54 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1peHSD-0000ow-MW; Mon, 20 Mar 2023 16:29:45 +0100 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1peHSC-005UYs-UK; Mon, 20 Mar 2023 16:29:44 +0100 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1peHSB-00Dc10-Ag; Mon, 20 Mar 2023 16:29:43 +0100 From: Sascha Hauer To: Barebox List Date: Mon, 20 Mar 2023 16:29:30 +0100 Message-Id: <20230320152941.3155428-8-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230320152941.3155428-1-s.hauer@pengutronix.de> References: <20230320152941.3155428-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230320_082950_935036_5FD4C2B2 X-CRM114-Status: GOOD ( 13.47 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 07/18] driver: Add unregister_driver() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Registering drivers is one thing, getting rid of them another. Add unregister_driver() which is used in the coming USB gadget update. Signed-off-by: Sascha Hauer --- drivers/base/driver.c | 16 ++++++++++++++++ include/driver.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index efbffcdddb..719920ec67 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -405,6 +405,22 @@ int register_driver(struct driver *drv) } EXPORT_SYMBOL(register_driver); +void unregister_driver(struct driver *drv) +{ + struct device *dev; + + list_del(&drv->list); + list_del(&drv->bus_list); + + bus_for_each_device(drv->bus, dev) { + if (dev->driver == drv) { + drv->bus->remove(dev); + dev->driver = NULL; + list_del(&dev->active); + } + } +} + struct resource *dev_get_resource(struct device *dev, unsigned long type, int num) { diff --git a/include/driver.h b/include/driver.h index 2cf0190699..5605a3db24 100644 --- a/include/driver.h +++ b/include/driver.h @@ -137,6 +137,8 @@ struct driver { /* Register devices and drivers. */ int register_driver(struct driver *); +void unregister_driver(struct driver *drv); + int register_device(struct device *); /* manualy probe a device -- 2.30.2