diff options
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 3bea91b3a6f1..cd1379235f13 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1465,12 +1465,17 @@ static void sci_stop_rx(struct uart_port *port) static void sci_enable_ms(struct uart_port *port) { - /* Nothing here yet .. */ + /* + * Not supported by hardware, always a nop. + */ } static void sci_break_ctl(struct uart_port *port, int break_state) { - /* Nothing here yet .. */ + /* + * Not supported by hardware. Most parts couple break and rx + * interrupts together, with break detection always enabled. + */ } #ifdef CONFIG_SERIAL_SH_SCI_DMA |