diff options
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 8b45106a53..d1c5559843 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -124,6 +124,7 @@ static char NS16550_raw_getc(NS16550_t regs) { uart_enable(regs); while ((serial_in(®s->lsr) & UART_LSR_DR) == 0) { + WATCHDOG_RESET(); #ifdef CONFIG_USB_TTY extern void usbtty_poll(void); usbtty_poll(); @@ -200,6 +201,8 @@ char NS16550_getc(NS16550_t regs, unsigned int port) int NS16550_tstc(NS16550_t regs, unsigned int port) { + WATCHDOG_RESET(); + if (port >= NUM_PORTS || !(gd->flags & GD_FLG_RELOC)) return NS16550_raw_tstc(regs); |