From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 01 Apr 2025 13:09:00 +0200 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 1tzZUK-006y0J-0I for lore@lore.pengutronix.de; Tue, 01 Apr 2025 13:09:00 +0200 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 1tzZUJ-0004Qd-Ff for lore@pengutronix.de; Tue, 01 Apr 2025 13:09:00 +0200 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:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2gyATXdkedFHaT8ph8SGaLhEFsrNBjGQ4xaVsVWKOqg=; b=n5w0H+WOs/bSoGhv4H4p0OM8xu FeNtY9QjPwKIgrBPkuFfI2b2DTZgZmPeKBWfXknvw09u8GXRV1oKAQXA6GTg07EpeFOOPjCTqIdqs guhOswJiw2RHRl6g2SmCM4C6JelLyqOq8zf666Jcth/0SiGfi0p9aDnuQG00DPGvfjEs7onhU+Myl doCgaq5FpztS7j/SKDKeb2G3xiYsaHKm3LAEBiB56oOsDgUIyYiF40zWrVIP5hFpXuDcV0cRZyOcQ gwm3mR0AXOZKS2JxieexTc9JlsPfuMJUq+hNiSeNq5FpKYDsxTYHQVihDobbucFz3In/1Xohbkt9s lpU1fW4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1tzZTv-00000002jwD-2fhQ; Tue, 01 Apr 2025 11:08:35 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1tzZQA-00000002igK-1AL9 for barebox@lists.infradead.org; Tue, 01 Apr 2025 11:04:44 +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 1tzZQ9-0002Xz-2g; Tue, 01 Apr 2025 13:04:41 +0200 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tzZQ8-002kdQ-2k; Tue, 01 Apr 2025 13:04:40 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tzZA7-00GcAa-2Q; Tue, 01 Apr 2025 12:48:07 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Tue, 1 Apr 2025 12:48:03 +0200 Message-Id: <20250401104806.3959859-14-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250401104806.3959859-1-a.fatoum@pengutronix.de> References: <20250401104806.3959859-1-a.fatoum@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-20250401_040442_344690_2FCC146B X-CRM114-Status: GOOD ( 10.79 ) 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=-5.8 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 13/16] bootsource: implement bootsource_of_cdev_find 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) For use on device tree systems that especially boot from SD/eMMC, introduce a new helper function that returns the cdev of the boot medium. Calling this function for unknown boot media will return NULL and callers will have to handle that gracefully. Signed-off-by: Ahmad Fatoum --- common/bootsource.c | 17 +++++++++++++++++ include/bootsource.h | 1 + 2 files changed, 18 insertions(+) diff --git a/common/bootsource.c b/common/bootsource.c index d054427c6e78..e78237ff36b8 100644 --- a/common/bootsource.c +++ b/common/bootsource.c @@ -5,6 +5,7 @@ */ #include +#include #include #include #include @@ -123,6 +124,22 @@ struct device_node *bootsource_of_node_get(struct device_node *root) return np; } +struct cdev *bootsource_of_cdev_find(void) +{ + struct device_node *np; + struct cdev *cdev; + + np = bootsource_of_node_get(NULL); + if (!np) + return NULL; + + cdev = of_cdev_find(np); + if (IS_ERR(cdev)) + return NULL; + + return cdev; +} + void bootsource_set_alias_name(const char *name) { bootsource_alias_name = name; diff --git a/include/bootsource.h b/include/bootsource.h index 9fb77a0bb0a9..c9c58daf096c 100644 --- a/include/bootsource.h +++ b/include/bootsource.h @@ -34,6 +34,7 @@ const char *bootsource_to_string(enum bootsource src); const char *bootsource_get_alias_stem(enum bootsource bs); int bootsource_of_alias_xlate(enum bootsource bs, int instance); struct device_node *bootsource_of_node_get(struct device_node *root); +struct cdev *bootsource_of_cdev_find(void); /** * bootsource_set - set bootsource with optional DT mapping table -- 2.39.5