Signed-off-by: Lei Wen <lei...@marvell.com>
---
drivers/mmc/sdhci.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 31c738e..77a9e70 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -81,8 +81,9 @@ static void sdhci_transfer_pio(struct sdhci_host *host,
struct mmc_data *data)
static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
unsigned int start_addr)
{
- unsigned int stat, rdy, mask, block = 0;
+ unsigned int stat, rdy, mask, timeout, block = 0;
+ timeout = 10000;
rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL;
mask = SDHCI_DATA_AVAILABLE | SDHCI_SPACE_AVAILABLE;
do {
@@ -108,6 +109,12 @@ static int sdhci_transfer_data(struct sdhci_host *host,
struct mmc_data *data,
sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS);
}
#endif
+ if (timeout-- > 0)
+ udelay(10);
+ else {
+ printf("Transfer data timeout\n");
+ return -1;
+ }
} while (!(stat & SDHCI_INT_DATA_END));
return 0;
}
--
1.7.0.4
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