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Subject[PATCH v2 44/45] drivers: tty: serial: pnx8xxx_uart: use devm_* functions
Date
Use the safer devm versions of memory mapping functions.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
drivers/tty/serial/pnx8xxx_uart.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/serial/pnx8xxx_uart.c b/drivers/tty/serial/pnx8xxx_uart.c
index 223a949..3951226 100644
--- a/drivers/tty/serial/pnx8xxx_uart.c
+++ b/drivers/tty/serial/pnx8xxx_uart.c
@@ -568,10 +568,7 @@ static const char *pnx8xxx_type(struct uart_port *port)
*/
static void pnx8xxx_release_port(struct uart_port *port)
{
- struct pnx8xxx_port *sport =
- container_of(port, struct pnx8xxx_port, port);
-
- release_mem_region(sport->port.mapbase, UART_PORT_SIZE);
+ devm_release_mem_region(port->dev, port->mapbase, UART_PORT_SIZE);
}

/*
@@ -579,9 +576,7 @@ static void pnx8xxx_release_port(struct uart_port *port)
*/
static int pnx8xxx_request_port(struct uart_port *port)
{
- struct pnx8xxx_port *sport =
- container_of(port, struct pnx8xxx_port, port);
- return request_mem_region(sport->port.mapbase, UART_PORT_SIZE,
+ return devm_request_mem_region(port->dev, port->mapbase, UART_PORT_SIZE,
"pnx8xxx-uart") != NULL ? 0 : -EBUSY;
}

--
1.9.1
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