aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/serial
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/uartlite.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index dfef83f14960..a85f2d31a686 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -329,12 +329,14 @@ static struct uart_ops ulite_ops = {
329static void ulite_console_wait_tx(struct uart_port *port) 329static void ulite_console_wait_tx(struct uart_port *port)
330{ 330{
331 int i; 331 int i;
332 u8 val;
332 333
333 /* wait up to 10ms for the character(s) to be sent */ 334 /* Spin waiting for TX fifo to have space available */
334 for (i = 0; i < 10000; i++) { 335 for (i = 0; i < 100000; i++) {
335 if (readb(port->membase + ULITE_STATUS) & ULITE_STATUS_TXEMPTY) 336 val = readb(port->membase + ULITE_STATUS);
337 if ((val & ULITE_STATUS_TXFULL) == 0)
336 break; 338 break;
337 udelay(1); 339 cpu_relax();
338 } 340 }
339} 341}
340 342