From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 28 Feb 2024 17:06:03 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rfMRX-00DfQR-07 for lore@lore.pengutronix.de; Wed, 28 Feb 2024 17:06:03 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rfMRW-0008T9-FR for lore@pengutronix.de; Wed, 28 Feb 2024 17:06:02 +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:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=As3XSjuyAGNMzDRrx1Jp3DFRZDbf/iP4jt/85qSrz5U=; b=hE4liHsnZ2q75C8nFMGZLHbtQ4 cRiR61YJdXNcP+OgM6V0ncGTd+X31qs/yZ+mEKMQ+HJOCPck8f4CZXWv+6wCE6cBKD8c9I0a+X07w n8eq2+Kd+gFrTcxM5XqAhHUvkKmTzUcaAEuwZi2gj1ru7GCsfMG3eAx78ZancexjeEdVyJmDbV+O1 EKMNChxPaTO0EJLfXuN6K5N2ZprWO0hdn/tIwUJDqA/ebv7w7GPQc/Oq1he7qt4/RstpDx0zq+Qdt hizh4d1kFmn8eaIiZAR4AVC2iLUCcKHprlTxD3p2OpX6F9Uhnz6MnCRy1s99ygsJ0UhnqmxL3BINa b5J5MkCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rfMR6-0000000A2Bt-0T13; Wed, 28 Feb 2024 16:05:36 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rfMQu-0000000A245-0nyw for barebox@lists.infradead.org; Wed, 28 Feb 2024 16:05:27 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rfMQs-000832-Tx; Wed, 28 Feb 2024 17:05:22 +0100 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rfMQs-003QfR-HQ; Wed, 28 Feb 2024 17:05:22 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1rfMQr-006fql-32; Wed, 28 Feb 2024 17:05:22 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: mfe@pengutronix.de, Ahmad Fatoum Date: Wed, 28 Feb 2024 17:05:13 +0100 Message-Id: <20240228160518.1589193-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240228_080524_297249_CF885775 X-CRM114-Status: GOOD ( 10.97 ) 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 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, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/6] driver: make struct bus_type::match optional X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Newly introduce soc_bus_type doesn't define .match, which would crash once a driver is registered on that bus. Do as Linux does and treat a non-existent match callback as meaning that all drivers should be matched and that the probe function should indicate via -ENODEV/-ENXIO whether a device is indeed suitable. Signed-off-by: Ahmad Fatoum --- drivers/base/driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 3fac9c59f677..babc08f8b6b2 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -221,7 +221,7 @@ static int match(struct driver *drv, struct device *dev) dev->driver = drv; - if (dev->bus->match(dev, drv)) + if (dev->bus->match && dev->bus->match(dev, drv)) goto err_out; ret = device_probe(dev); if (ret) -- 2.39.2