linux-kernel - [PATCH 1/8] drivers: tty: serial: 8250_bcm2835aux: use devm_platform_ioremap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1552402660-31730-2-git-send-email-info@metux.net>
Date:   Tue, 12 Mar 2019 15:57:33 +0100
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     gregkh@...uxfoundation.org, jslaby@...e.com,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/8] drivers: tty: serial: 8250_bcm2835aux: use devm_platform_ioremap_resource()

---
 drivers/tty/serial/8250/8250_bcm2835aux.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c
index bd53661..0738d14 100644
--- a/drivers/tty/serial/8250/8250_bcm2835aux.c
+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
@@ -25,7 +25,6 @@ struct bcm2835aux_data {
 static int bcm2835aux_serial_probe(struct platform_device *pdev)
 {
 	struct bcm2835aux_data *data;
-	struct resource *res;
 	int ret;
 
 	/* allocate the custom structure */
@@ -63,15 +62,12 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
 	data->uart.port.irq = ret;
 
 	/* map the main registers */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "memory resource not found");
-		return -EINVAL;
-	}
-	data->uart.port.membase = devm_ioremap_resource(&pdev->dev, res);
+	data->uart.port.membase = devm_platform_ioremap_resource(pdev, 0);
 	ret = PTR_ERR_OR_ZERO(data->uart.port.membase);
-	if (ret)
+	if (ret) {
+		dev_err(&pdev->dev, "could not map memory resource");
 		return ret;
+	}
 
 	/* Check for a fixed line number */
 	ret = of_alias_get_id(pdev->dev.of_node, "serial");
-- 
1.9.1