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-rw-r--r--drivers/spi/spi-s3c64xx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 0bd3e230350c..9f728a7c59a1 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -473,7 +473,8 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd,
/* millisecs to xfer 'len' bytes @ 'cur_speed' */
ms = xfer->len * 8 * 1000 / sdd->cur_speed;
- ms += 10; /* some tolerance */
+ ms += 30; /* some tolerance */
+ ms = max(ms, 100); /* minimum timeout */
val = msecs_to_jiffies(ms) + 10;
val = wait_for_completion_timeout(&sdd->xfer_completion, val);