linux-kernel - Re: [PATCH v3 12/17] spi: s3c64xx: return ETIMEDOUT for wait_for_completion

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Message-ID: <CAPLW+4nipUTRek7_=0uUt32kvN4QDSMAMAAzD5Nx_zv3seEgHw@mail.gmail.com>
Date: Fri, 26 Jan 2024 14:13:55 -0600
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: broonie@...nel.org, andi.shyti@...nel.org, krzysztof.kozlowski@...aro.org, 
	alim.akhtar@...sung.com, jassi.brar@...sung.com, linux-spi@...r.kernel.org, 
	linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, andre.draszik@...aro.org, 
	peter.griffin@...aro.org, kernel-team@...roid.com, willmcvicker@...gle.com
Subject: Re: [PATCH v3 12/17] spi: s3c64xx: return ETIMEDOUT for wait_for_completion_timeout()

On Fri, Jan 26, 2024 at 11:16 AM Tudor Ambarus <tudor.ambarus@...aro.org> wrote:
>
> ETIMEDOUT is more specific than EIO, use it for
> wait_for_completion_timeout().
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---

Looks like you missed my R-b tag I added to this patch in your
previous submission.

>  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 76fa378ab5ab..2f2c4ad35df4 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);
> --
> 2.43.0.429.g432eaa2c6b-goog
>