linux-kernel - [PATCH v2 42/45] drivers: tty: serial: sa1100: use devm

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Date:   Thu, 14 Mar 2019 23:34:12 +0100
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, eric@...olt.net,
        stefan.wahren@...e.com, f.fainelli@...il.com, rjui@...adcom.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        andriy.shevchenko@...ux.intel.com, vz@...ia.com,
        matthias.bgg@...il.com, yamada.masahiro@...ionext.com,
        tklauser@...tanz.ch, richard.genoud@...il.com,
        macro@...ux-mips.org, u.kleine-koenig@...gutronix.de,
        kernel@...gutronix.de, slemieux.tyco@...il.com,
        andy.gross@...aro.org, david.brown@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, festevam@...il.com, linux-imx@....com,
        baohua@...nel.org, jacmet@...site.dk, linux-serial@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 42/45] drivers: tty: serial: sa1100: use devm_* functions

Use the safer devm versions of memory mapping functions.

Signed-off-by: Enrico Weigelt, metux IT consult <info@...ux.net>
---
 drivers/tty/serial/sa1100.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/sa1100.c b/drivers/tty/serial/sa1100.c
index a399772b..3aa20a2 100644
--- a/drivers/tty/serial/sa1100.c
+++ b/drivers/tty/serial/sa1100.c
@@ -522,7 +522,7 @@ static void sa1100_release_port(struct uart_port *port)
 	struct sa1100_port *sport =
 		container_of(port, struct sa1100_port, port);
 
-	release_mem_region(sport->port.mapbase, UART_PORT_SIZE);
+	devm_release_mem_region(port->dev, sport->port.mapbase, UART_PORT_SIZE);
 }
 
 /*
@@ -533,7 +533,7 @@ static int sa1100_request_port(struct uart_port *port)
 	struct sa1100_port *sport =
 		container_of(port, struct sa1100_port, port);
 
-	return request_mem_region(sport->port.mapbase, UART_PORT_SIZE,
+	return devm_request_mem_region(port->dev, port->mapbase, UART_PORT_SIZE,
 			"sa11x0-uart") != NULL ? 0 : -EBUSY;
 }
 
-- 
1.9.1