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-rw-r--r--drivers/mmc/sunxi_mmc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index f9b9493c892..25f18adb672 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -257,9 +257,11 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
const uint32_t status_bit = reading ? SUNXI_MMC_STATUS_FIFO_EMPTY :
SUNXI_MMC_STATUS_FIFO_FULL;
unsigned i;
- unsigned byte_cnt = data->blocksize * data->blocks;
- unsigned timeout_msecs = 2000;
unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
+ unsigned byte_cnt = data->blocksize * data->blocks;
+ unsigned timeout_msecs = byte_cnt >> 8;
+ if (timeout_msecs < 2000)
+ timeout_msecs = 2000;
/* Always read / write data through the CPU */
setbits_le32(&mmchost->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);