linux-kernel - Re: [PATCH v3 06/17] spi: s3c64xx: remove unneeded (void *) casts in of_match

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Date: Fri, 26 Jan 2024 14:17:45 -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 06/17] spi: s3c64xx: remove unneeded (void *) casts in of_match_table

On Fri, Jan 26, 2024 at 11:15 AM Tudor Ambarus <tudor.ambarus@...aro.org> wrote:
>
> of_device_id::data is an opaque pointer. No explicit cast is needed.
> Remove unneeded (void *) casts in of_match_table. While here align the
> compatible and data members.
>
> Reviewed-by: Andi Shyti <andi.shyti@...nel.org>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---
>  drivers/spi/spi-s3c64xx.c | 45 +++++++++++++++++++++++----------------
>  1 file changed, 27 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index ccb700312d64..9bf54c1044b3 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1511,32 +1511,41 @@ static const struct platform_device_id s3c64xx_spi_driver_ids[] = {
>  };
>
>  static const struct of_device_id s3c64xx_spi_dt_match[] = {
> -       { .compatible = "samsung,s3c2443-spi",
> -                       .data = (void *)&s3c2443_spi_port_config,
> +       {
> +               .compatible = "samsung,s3c2443-spi",
> +               .data = &s3c2443_spi_port_config,
>         },
> -       { .compatible = "samsung,s3c6410-spi",
> -                       .data = (void *)&s3c6410_spi_port_config,
> +       {

The braces style is not fixed. Yet that's a style patch, which on one
hand fixes the issue (unnecessary void * cast), but OTOH brings
another issue (non-canonical braces placement). Please see my comments
for your previous submission.

> +               .compatible = "samsung,s3c6410-spi",
> +               .data = &s3c6410_spi_port_config,
>         },
> -       { .compatible = "samsung,s5pv210-spi",
> -                       .data = (void *)&s5pv210_spi_port_config,
> +       {
> +               .compatible = "samsung,s5pv210-spi",
> +               .data = &s5pv210_spi_port_config,
>         },
> -       { .compatible = "samsung,exynos4210-spi",
> -                       .data = (void *)&exynos4_spi_port_config,
> +       {
> +               .compatible = "samsung,exynos4210-spi",
> +               .data = &exynos4_spi_port_config,
>         },
> -       { .compatible = "samsung,exynos7-spi",
> -                       .data = (void *)&exynos7_spi_port_config,
> +       {
> +               .compatible = "samsung,exynos7-spi",
> +               .data = &exynos7_spi_port_config,
>         },
> -       { .compatible = "samsung,exynos5433-spi",
> -                       .data = (void *)&exynos5433_spi_port_config,
> +       {
> +               .compatible = "samsung,exynos5433-spi",
> +               .data = &exynos5433_spi_port_config,
>         },
> -       { .compatible = "samsung,exynos850-spi",
> -                       .data = (void *)&exynos850_spi_port_config,
> +       {
> +               .compatible = "samsung,exynos850-spi",
> +               .data = &exynos850_spi_port_config,
>         },
> -       { .compatible = "samsung,exynosautov9-spi",
> -                       .data = (void *)&exynosautov9_spi_port_config,
> +       {
> +               .compatible = "samsung,exynosautov9-spi",
> +               .data = &exynosautov9_spi_port_config,
>         },
> -       { .compatible = "tesla,fsd-spi",
> -                       .data = (void *)&fsd_spi_port_config,
> +       {
> +               .compatible = "tesla,fsd-spi",
> +               .data = &fsd_spi_port_config,
>         },
>         { },
>  };
> --
> 2.43.0.429.g432eaa2c6b-goog
>