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path: root/drivers/tty/serial/samsung.c
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Diffstat (limited to 'drivers/tty/serial/samsung.c')
-rw-r--r--drivers/tty/serial/samsung.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 23f459600738..1f5505e7f90d 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1446,8 +1446,8 @@ static int s3c24xx_serial_get_poll_char(struct uart_port *port)
static void s3c24xx_serial_put_poll_char(struct uart_port *port,
unsigned char c)
{
- unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
- unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
+ unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
+ unsigned int ucon = rd_regl(port, S3C2410_UCON);
/* not possible to xmit on unconfigured port */
if (!s3c24xx_port_configured(ucon))
@@ -1455,7 +1455,7 @@ static void s3c24xx_serial_put_poll_char(struct uart_port *port,
while (!s3c24xx_serial_console_txrdy(port, ufcon))
cpu_relax();
- wr_regb(cons_uart, S3C2410_UTXH, c);
+ wr_regb(port, S3C2410_UTXH, c);
}
#endif /* CONFIG_CONSOLE_POLL */
@@ -1463,22 +1463,23 @@ static void s3c24xx_serial_put_poll_char(struct uart_port *port,
static void
s3c24xx_serial_console_putchar(struct uart_port *port, int ch)
{
- unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
- unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
-
- /* not possible to xmit on unconfigured port */
- if (!s3c24xx_port_configured(ucon))
- return;
+ unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
while (!s3c24xx_serial_console_txrdy(port, ufcon))
- barrier();
- wr_regb(cons_uart, S3C2410_UTXH, ch);
+ cpu_relax();
+ wr_regb(port, S3C2410_UTXH, ch);
}
static void
s3c24xx_serial_console_write(struct console *co, const char *s,
unsigned int count)
{
+ unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
+
+ /* not possible to xmit on unconfigured port */
+ if (!s3c24xx_port_configured(ucon))
+ return;
+
uart_console_write(cons_uart, s, count, s3c24xx_serial_console_putchar);
}