linux-kernel - Re: [PATCH] mmc: core: make mmc_host

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Message-ID: <CAPDyKFpx2hsqmmyRRZeWjZuF2Fot=UR5=EzmCRi7Cv8xFaFUwg@mail.gmail.com>
Date: Wed, 6 Mar 2024 23:38:59 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: "Ricardo B. Marliere" <ricardo@...liere.net>
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] mmc: core: make mmc_host_class constant

On Tue, 5 Mar 2024 at 20:49, Ricardo B. Marliere <ricardo@...liere.net> wrote:
>
> Since commit 43a7206b0963 ("driver core: class: make class_register() take
> a const *"), the driver core allows for struct class to be in read-only
> memory, so move the mmc_host_class structure to be declared at build time
> placing it into read-only memory, instead of having to be dynamically
> allocated at boot time.
>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/core/host.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
> index 3aa9dda6fd4f..8f8781d6c25e 100644
> --- a/drivers/mmc/core/host.c
> +++ b/drivers/mmc/core/host.c
> @@ -88,7 +88,7 @@ static int mmc_host_classdev_shutdown(struct device *dev)
>         return 0;
>  }
>
> -static struct class mmc_host_class = {
> +static const struct class mmc_host_class = {
>         .name           = "mmc_host",
>         .dev_release    = mmc_host_classdev_release,
>         .shutdown_pre   = mmc_host_classdev_shutdown,
>
> ---
> base-commit: 0cd8fd15a75e82ef249e99b3d80e2012a729d028
> change-id: 20240305-class_cleanup-mmc-75258142f27e
>
> Best regards,
> --
> Ricardo B. Marliere <ricardo@...liere.net>
>