[PATCH v2 15/28] spi: s3c64xx: return ETIMEDOUT for wait_for_completion_timeout()

[Tudor Ambarus]

ETIMEDOUT is more specific than EIO, use it for
wait_for_completion_timeout().

Signed-off-by: Tudor Ambarus <tudor.ambarus at linaro.org>
---
 drivers/spi/spi-s3c64xx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 447320788697..d2dd28ff00c6 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -523,7 +523,7 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd,
 
 	/*
 	 * If the previous xfer was completed within timeout, then
-	 * proceed further else return -EIO.
+	 * proceed further else return -ETIMEDOUT.
 	 * DmaTx returns after simply writing data in the FIFO,
 	 * w/o waiting for real transmission on the bus to finish.
 	 * DmaRx returns only after Dma read data from FIFO which
@@ -544,7 +544,7 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd,
 
 	/* If timed out while checking rx/tx status return error */
 	if (!val)
-		return -EIO;
+		return -ETIMEDOUT;
 
 	return 0;
 }
@@ -574,7 +574,7 @@ static int s3c64xx_wait_for_pio(struct s3c64xx_spi_driver_data *sdd,
 	if (use_irq) {
 		val = msecs_to_jiffies(ms);
 		if (!wait_for_completion_timeout(&sdd->xfer_completion, val))
-			return -EIO;
+			return -ETIMEDOUT;
 	}
 
 	val = msecs_to_loops(ms);
-- 
2.43.0.429.g432eaa2c6b-goog