From: Jaehoon Chung <jh80.chung@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 4/4] mmc: sdhci: increase the timeout and udelay value
Date: Fri, 31 Aug 2012 11:24:13 +0900 [thread overview]
Message-ID: <5040204D.9050302@samsung.com> (raw)
Samsung-SoC is taken the too late to changing the interrupt status register.
This patch is ensure to check the interrupt status register for Samsung-SoC.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/mmc/sdhci.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index ac39e48..d0b8d24 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 = 100000;
rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL;
mask = SDHCI_DATA_AVAILABLE | SDHCI_SPACE_AVAILABLE;
do {
@@ -110,7 +110,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
}
#endif
if (timeout-- > 0)
- udelay(10);
+ udelay(20);
else {
printf("Transfer data timeout\n");
return -1;
--
1.7.4.1
next reply other threads:[~2012-08-31 2:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-31 2:24 Jaehoon Chung [this message]
2012-08-31 21:16 ` [U-Boot] [PATCH v3 4/4] mmc: sdhci: increase the timeout and udelay value Andy Fleming
2012-09-03 2:44 ` Jaehoon Chung
2012-09-03 5:06 ` Jaehoon Chung
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