Patchwork [v2,38/45] drivers: tty: serial: samsung: use devm_* functions

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Submitter Enrico Weigelt, metux IT consult
Date March 14, 2019, 10:34 p.m.
Message ID <1552602855-26086-39-git-send-email-info@metux.net>
Download mbox | patch
Permalink /patch/749123/
State New
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Comments

Enrico Weigelt, metux IT consult - March 14, 2019, 10:34 p.m.
Use the safer devm versions of memory mapping functions.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 drivers/tty/serial/samsung.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index a49cf15..e0bab87 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1436,13 +1436,16 @@  static const char *s3c24xx_serial_type(struct uart_port *port)
 
 static void s3c24xx_serial_release_port(struct uart_port *port)
 {
-	release_mem_region(port->mapbase, MAP_SIZE);
+	devm_release_mem_region(port->dev, port->mapbase, MAP_SIZE);
 }
 
 static int s3c24xx_serial_request_port(struct uart_port *port)
 {
 	const char *name = s3c24xx_serial_portname(port);
-	return request_mem_region(port->mapbase, MAP_SIZE, name) ? 0 : -EBUSY;
+	return devm_request_mem_region(port->dev,
+				       port->mapbase,
+				       MAP_SIZE,
+				       name) ? 0 : -EBUSY;
 }
 
 static void s3c24xx_serial_config_port(struct uart_port *port, int flags)