[U-Boot] [PATCH v2 05/11] serial: Remove unnecessary delay in serial_s3c24x0

José Miguel Gonçalves
2012-09-14T17:28:56Z

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: Jos? Miguel Gon?alves <jose.goncalves@inov.pt>
---
Changes for v2:
- New patch
---
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)
--
1.7.9.5