summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/serial/8250.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 24110f6f61e0..31b8cca179cd 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1867,15 +1867,17 @@ static void wait_for_xmitr(struct uart_8250_port *up, int bits)
unsigned int status, tmout = 10000;
/* Wait up to 10ms for the character(s) to be sent. */
- do {
+ for (;;) {
status = serial_in(up, UART_LSR);
up->lsr_saved_flags |= status & LSR_SAVE_FLAGS;
+ if ((status & bits) == bits)
+ break;
if (--tmout == 0)
break;
udelay(1);
- } while ((status & bits) != bits);
+ }
/* Wait up to 1s for flow control if necessary */
if (up->port.flags & UPF_CONS_FLOW) {