post/i2c: Add ability to ignore I2C devices

[platform/kernel/u-boot.git] / drivers / serial / ns16550.c

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 7e833fd..32f24de 100644 (file)
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -70,6 +70,15 @@ void NS16550_putc (NS16550_t com_port, char c)
 {
        while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0);
        serial_out(c, &com_port->thr);
+
+       /*
+        * Call watchdog_reset() upon newline. This is done here in putc
+        * since the environment code uses a single puts() to print the complete
+        * environment upon "printenv". So we can't put this watchdog call
+        * in puts().
+        */
+       if (c == '\n')
+               WATCHDOG_RESET();
 }
 
 #ifndef CONFIG_NS16550_MIN_FUNCTIONS