summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFabian Frederick <fabf@skynet.be>2014-10-05 19:01:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-05 19:20:52 -0800
commitedb20c7aa5080f983af562d117c577975c9c392e (patch)
tree25d88f1089cbcfddd5ec04ef469d8ec592c1482c
parenta15ad34834b1b29459ae87b0f04489d0765259e8 (diff)
tty: use container_of to resolve uart_pmac_port from uart_port
Use container_of instead of casting first structure member. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/pmac_zilog.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index abbfedb84901..4aca3229b7bb 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -1352,7 +1352,8 @@ static int pmz_verify_port(struct uart_port *port, struct serial_struct *ser)
static int pmz_poll_get_char(struct uart_port *port)
{
- struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+ struct uart_pmac_port *uap =
+ container_of(port, struct uart_pmac_port, port);
int tries = 2;
while (tries) {
@@ -1367,7 +1368,8 @@ static int pmz_poll_get_char(struct uart_port *port)
static void pmz_poll_put_char(struct uart_port *port, unsigned char c)
{
- struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+ struct uart_pmac_port *uap =
+ container_of(port, struct uart_pmac_port, port);
/* Wait for the transmit buffer to empty. */
while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)
@@ -1954,7 +1956,8 @@ static void __exit exit_pmz(void)
static void pmz_console_putchar(struct uart_port *port, int ch)
{
- struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+ struct uart_pmac_port *uap =
+ container_of(port, struct uart_pmac_port, port);
/* Wait for the transmit buffer to empty. */
while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0)