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Date: Thu, 25 Jan 2024 14:30:17 -0600
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: broonie@...nel.org, andi.shyti@...nel.org, arnd@...db.de, 
	robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, 
	alim.akhtar@...sung.com, linux-spi@...r.kernel.org, 
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-arch@...r.kernel.org, andre.draszik@...aro.org, 
	peter.griffin@...aro.org, kernel-team@...roid.com, willmcvicker@...gle.com
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@...aroorg> wrote:
>
> ETIMEDOUT is more specific than EIO, use it for
> wait_for_completion_timeout().
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko@...aro.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
>

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