linux-kernel - Re: [PATCH 1/1] arch: arm: mach-omap2: mmc: Move omap_mmc_notify_cover

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Date:   Tue, 7 Jul 2020 08:54:47 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Tony Lindgren <tony@...mide.com>,
        linux-omap <linux-omap@...r.kernel.org>
Subject: Re: [PATCH 1/1] arch: arm: mach-omap2: mmc: Move omap_mmc_notify_cover_event()
 prototype

On Wed, 1 Jul 2020 at 12:23, Lee Jones <lee.jones@...aro.org> wrote:
>
> When building the kernel with W=1 the build system complains of:
>
>  drivers/mmc/host/omap.c:854:6: warning: no previous prototype for ‘omap_mmc_notify_cover_event’ [-Wmissing-prototypes]
>  854 | void omap_mmc_notify_cover_event(struct device *dev, int num, int is_closed)
>  | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> If we move the prototype into a shared headerfile the build system
> will be satisfied.  Rather than create a whole new headerfile just
> for this purpose, it makes sense to use the already existing
> mmc-omap.h.
>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>
> Cc: linux-mmc@...r.kernel.org
> Cc: Tony Lindgren <tony@...mide.com>
> Cc: linux-omap@...r.kernel.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  arch/arm/mach-omap2/mmc.h              | 4 ----
>  include/linux/platform_data/mmc-omap.h | 3 +++
>  2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/mmc.h b/arch/arm/mach-omap2/mmc.h
> index 7f4e053c34344..b5533e93cb632 100644
> --- a/arch/arm/mach-omap2/mmc.h
> +++ b/arch/arm/mach-omap2/mmc.h
> @@ -16,7 +16,3 @@ static inline int omap_msdi_reset(struct omap_hwmod *oh)
>         return 0;
>  }
>  #endif
> -
> -/* called from board-specific card detection service routine */
> -extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
> -                                       int is_closed);
> diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h
> index 9acf0e87aa9be..f0b8947e6b07d 100644
> --- a/include/linux/platform_data/mmc-omap.h
> +++ b/include/linux/platform_data/mmc-omap.h
> @@ -116,3 +116,6 @@ struct omap_mmc_platform_data {
>
>         } slots[OMAP_MMC_MAX_SLOTS];
>  };
> +
> +extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
> +                                       int is_closed);
> --
> 2.25.1
>