Use the safer devm versions of memory mapping functions. Signed-off-by: Enrico Weigelt, metux IT consult <info@xxxxxxxxx> --- drivers/tty/serial/amba-pl010.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 109b8df..7abd1f8 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -503,7 +503,7 @@ static const char *pl010_type(struct uart_port *port) */ static void pl010_release_port(struct uart_port *port) { - release_mem_region(port->mapbase, UART_PORT_SIZE); + devm_release_mem_region(port->dev, port->mapbase, UART_PORT_SIZE); } /* @@ -511,7 +511,10 @@ static void pl010_release_port(struct uart_port *port) */ static int pl010_request_port(struct uart_port *port) { - return request_mem_region(port->mapbase, UART_PORT_SIZE, "uart-pl010") + return devm_request_mem_region(port->dev, + port->mapbase, + UART_PORT_SIZE, + "uart-pl010") != NULL ? 0 : -EBUSY; } -- 1.9.1