From e6252fab2d6989025bfb97e33abca03b5cb10ff1 Mon Sep 17 00:00:00 2001 From: Inha Song Date: Tue, 4 Feb 2014 14:57:25 +0900 Subject: serial: s5p: set automatically clears after resetting Rx FIFO This patch fix the u-boot shell problem on TRATS2 board. - If hold the key while booting is in progress, white spaces are written in u-boot shell. Set Automatically clears after resetting Rx FIFO. Signed-off-by: Inha Song Signed-off-by: Jaehoon Chung Acked-by: Lukasz Majewski Tested-by: Lukasz Majewski Signed-off-by: Minkyu Kang --- drivers/serial/serial_s5p.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 89f5d68dd0..98c62b4c14 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -100,8 +100,8 @@ static int serial_init_dev(const int dev_index) { struct s5p_uart *const uart = s5p_get_base_uart(dev_index); - /* enable FIFOs */ - writel(0x1, &uart->ufcon); + /* enable FIFOs, auto clear Rx FIFO */ + writel(0x3, &uart->ufcon); writel(0, &uart->umcon); /* 8N1 */ writel(0x3, &uart->ulcon); -- cgit v1.2.1