2024-01-25 14:55:27

by Tudor Ambarus

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

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

Signed-off-by: Tudor Ambarus <[email protected]>
---
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

2024-01-25 20:30:43

by Sam Protsenko

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

On Thu, Jan 25, 2024 at 8:50 AM Tudor Ambarus <tudor.ambarus@linaroorg> wrote:
>
> ETIMEDOUT is more specific than EIO, use it for
> wait_for_completion_timeout().
>
> Signed-off-by: Tudor Ambarus <[email protected]>
> ---

Reviewed-by: Sam Protsenko <[email protected]>

> 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
>