From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Thu, 20 Sep 2012 20:31:54 +0000 (+0000)
Subject: mmc: sdhci: increase the timeout value for data transfer
X-Git-Tag: v2013.01-rc1~91^2~5
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=5d48e4224791611498456908fc23a845cc5b4ed7

mmc: sdhci: increase the timeout value for data transfer

Timeout value is tunable.
When run read/write operation, sometime returned the timeout error.
Because the timeout value is too short.
So increased the enough timeout value.
(This timeout value is used to prevent the infinite loop.)

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 2e3c408bc5..932987427c 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -83,7 +83,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 {
 	unsigned int stat, rdy, mask, timeout, block = 0;
 
-	timeout = 10000;
+	timeout = 1000000;
 	rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL;
 	mask = SDHCI_DATA_AVAILABLE | SDHCI_SPACE_AVAILABLE;
 	do {