Re: [PATCH] mmc: davinci: Don't strip remove function when driver is builtin

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On Sun, 24 Mar 2024 at 12:40, Uwe Kleine-König
<u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
>
> Using __exit for the remove function results in the remove callback
> being discarded with CONFIG_MMC_DAVINCI=y. When such a device gets
> unbound (e.g. using sysfs or hotplug), the driver is just removed
> without the cleanup being performed. This results in resource leaks. Fix
> it by compiling in the remove callback unconditionally.
>
> This also fixes a W=1 modpost warning:
>
>         WARNING: modpost: drivers/mmc/host/davinci_mmc: section mismatch in reference: davinci_mmcsd_driver+0x10 (section: .data) -> davinci_mmcsd_remove (section: .exit.text)
>
> Fixes: b4cff4549b7a ("DaVinci: MMC: MMC/SD controller driver for DaVinci family")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Applied for next and by adding a stable tag, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/davinci_mmc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
> index 8bd938919687..d7427894e0bc 100644
> --- a/drivers/mmc/host/davinci_mmc.c
> +++ b/drivers/mmc/host/davinci_mmc.c
> @@ -1337,7 +1337,7 @@ static int davinci_mmcsd_probe(struct platform_device *pdev)
>         return ret;
>  }
>
> -static void __exit davinci_mmcsd_remove(struct platform_device *pdev)
> +static void davinci_mmcsd_remove(struct platform_device *pdev)
>  {
>         struct mmc_davinci_host *host = platform_get_drvdata(pdev);
>
> @@ -1392,7 +1392,7 @@ static struct platform_driver davinci_mmcsd_driver = {
>                 .of_match_table = davinci_mmc_dt_ids,
>         },
>         .probe          = davinci_mmcsd_probe,
> -       .remove_new     = __exit_p(davinci_mmcsd_remove),
> +       .remove_new     = davinci_mmcsd_remove,
>         .id_table       = davinci_mmc_devtype,
>  };
>
>
> base-commit: 70293240c5ce675a67bfc48f419b093023b862b3
> --
> 2.43.0
>





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