[U-Boot] [PATCH] mmc: dw_mmc: reduce timeout detection cycle

Ziyuan Xu xzy.xu at rock-chips.com
Tue Jul 19 03:38:22 CEST 2016


It's no need to speed 10 seconds to wait the mmc device out from busy
status. 500 milliseconds enough.

Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
---

 drivers/mmc/dw_mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 2cf7bae..790a166 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -195,7 +195,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 	ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac,
 				 data ? DIV_ROUND_UP(data->blocks, 8) : 0);
 	int ret = 0, flags = 0, i;
-	unsigned int timeout = 100000;
+	unsigned int timeout = 500;
 	u32 retry = 100000;
 	u32 mask, ctrl;
 	ulong start = get_timer(0);
-- 
1.9.1




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