The loop used to make a delay after baudrate setting is not necessary. Moreover it is removed by the GCC optimizer (at least with GCC 4.6).
Signed-off-by: José Miguel Gonçalves jose.goncalves@inov.pt --- Changes for v2: - New patch
Changes for v3: - None --- drivers/serial/serial_s3c24x0.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c index c9bc121..ec5d1cb 100644 --- a/drivers/serial/serial_s3c24x0.c +++ b/drivers/serial/serial_s3c24x0.c @@ -111,15 +111,12 @@ void _serial_setbrg(const int dev_index) struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index); u32 pclk; u32 baudrate; - int i;
pclk = get_PCLK(); baudrate = gd->baudrate;
writel((pclk / baudrate / 16) - 1, &uart->ubrdiv); writel(udivslot[(pclk / baudrate) % 16], &uart->udivslot); - for (i = 0; i < 100; i++) - /* Delay */ ; }
#if defined(CONFIG_SERIAL_MULTI)