diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/s3c2410.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index fef212c86d9..80c901c61c2 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -1716,6 +1716,13 @@ module_exit(s3c24xx_serial_modexit); #ifdef CONFIG_SERIAL_S3C2410_CONSOLE static struct uart_port *cons_uart; +static int cons_silenced; + +void s3c24xx_serial_console_set_silence(int silenced) +{ + cons_silenced = silenced; +} +EXPORT_SYMBOL(s3c24xx_serial_console_set_silence); static int s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon) @@ -1742,6 +1749,9 @@ s3c24xx_serial_console_putchar(struct uart_port *port, int ch) unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON); unsigned int umcon = rd_regl(cons_uart, S3C2410_UMCON); + if (cons_silenced) + return; + /* If auto HW flow control enabled, temporarily turn it off */ if (umcon & S3C2410_UMCOM_AFC) wr_regl(port, S3C2410_UMCON, (umcon & !S3C2410_UMCOM_AFC)); |