From: Ladislav Michl <la...@linux-mips.org>
ns16550 busyloops waiting for incoming byte causing watchdog to reboot
while waiting for a key press. A call to WATCHDOG_RESET in NS16550_getc
loop fixes it.
Signed-off-by: Ladislav Michl <la...@linux-mips.org>
---
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 2fcc8c3..b3bf10b 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -6,6 +6,7 @@
#include <config.h>
#include <ns16550.h>
+#include <watchdog.h>
#define UART_LCRVAL UART_LCR_8N1 /* 8 data, 1 stop, no parity */
#define UART_MCRVAL (UART_MCR_DTR | \
@@ -70,6 +71,7 @@ char NS16550_getc (NS16550_t com_port)
extern void usbtty_poll(void);
usbtty_poll();
#endif
+ WATCHDOG_RESET();
}
return (com_port->rbr);
}
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