diff options
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/uartlite.c | 10 |
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 = { | |||
329 | static void ulite_console_wait_tx(struct uart_port *port) | 329 | static 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 | ||