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Subject[PATCH v4 12/16] spi: s3c64xx: return ETIMEDOUT for wait_for_completion_timeout()
Date
ETIMEDOUT is more specific than EIO, use it for
wait_for_completion_timeout().

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@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 a51b5ff27d5a..fff430b9e849 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -526,7 +526,7 @@ 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
@@ -547,7 +547,7 @@ 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;
}
@@ -577,7 +577,7 @@ 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);
--
2.43.0.594.gd9cf4e227d-goog

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