Patchwork [v2,31/45] drivers: tty: serial: amba-pl011: use devm_* functions

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Submitter Enrico Weigelt, metux IT consult
Date March 14, 2019, 10:34 p.m.
Message ID <1552602855-26086-32-git-send-email-info@metux.net>
Download mbox | patch
Permalink /patch/749115/
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/amba-pl011.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 89ade21..2a968b2 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2098,7 +2098,7 @@  static const char *pl011_type(struct uart_port *port)
  */
 static void pl011_release_port(struct uart_port *port)
 {
-	release_mem_region(port->mapbase, SZ_4K);
+	devm_release_mem_region(port->dev, port->mapbase, SZ_4K);
 }
 
 /*
@@ -2106,7 +2106,10 @@  static void pl011_release_port(struct uart_port *port)
  */
 static int pl011_request_port(struct uart_port *port)
 {
-	return request_mem_region(port->mapbase, SZ_4K, "uart-pl011")
+	return devm_request_mem_region(port->dev,
+				       port->mapbase,
+				       SZ_4K,
+				       "uart-pl011")
 			!= NULL ? 0 : -EBUSY;
 }