lkml.org 
[lkml]   [2014]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 07/13 linux-next] tty: use container_of to resolve uart_pmac_port from uart_port
Date
Use container_of instead of casting first structure member.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
drivers/tty/serial/pmac_zilog.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index abbfedb..4aca322 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)
--
1.9.1


\
 
 \ /
  Last update: 2014-10-05 19:41    [W:0.106 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site