diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.30/110-serial.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.30/110-serial.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.30/110-serial.patch b/target/linux/s3c24xx/patches-2.6.30/110-serial.patch new file mode 100644 index 000000000..e01394b6f --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.30/110-serial.patch @@ -0,0 +1,38 @@ +--- a/drivers/serial/samsung.c ++++ b/drivers/serial/samsung.c +@@ -1263,6 +1263,13 @@ module_exit(s3c24xx_serial_modexit); + #ifdef CONFIG_SERIAL_SAMSUNG_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) +@@ -1287,9 +1294,21 @@ static void + 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)); ++ + while (!s3c24xx_serial_console_txrdy(port, ufcon)) + barrier(); + wr_regb(cons_uart, S3C2410_UTXH, ch); ++ ++ if (umcon & S3C2410_UMCOM_AFC) ++ wr_regl(port, S3C2410_UMCON, umcon); + } + + static void |