Re: [PATCH v2 16/20] media: davinci: vpbe_osd: mark read reg function as __always_unused

From: Lad, Prabhakar
Date: Mon Nov 29 2021 - 06:03:46 EST


On Mon, Nov 29, 2021 at 9:48 AM Mauro Carvalho Chehab
<mchehab+huawei@xxxxxxxxxx> wrote:
>
> Such function is currently unused, but could be needed in the
> future. So, keep it, marking it as __always_unused, in order to
> avoid a clang W=1 error.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> ---
>
> See [PATCH v2 00/20] at: https://lore.kernel.org/all/cover.1638179135.git.mchehab+huawei@xxxxxxxxxx/
>
> drivers/media/platform/davinci/vpbe_osd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Lad Prabhakar <prabhakar.csengg@xxxxxxxxx>

Cheers,
Prabhakar

> diff --git a/drivers/media/platform/davinci/vpbe_osd.c b/drivers/media/platform/davinci/vpbe_osd.c
> index 91b571a0ac2c..32f7ef547c82 100644
> --- a/drivers/media/platform/davinci/vpbe_osd.c
> +++ b/drivers/media/platform/davinci/vpbe_osd.c
> @@ -45,7 +45,7 @@ static const struct platform_device_id vpbe_osd_devtype[] = {
> MODULE_DEVICE_TABLE(platform, vpbe_osd_devtype);
>
> /* register access routines */
> -static inline u32 osd_read(struct osd_state *sd, u32 offset)
> +static inline u32 __always_unused osd_read(struct osd_state *sd, u32 offset)
> {
> struct osd_state *osd = sd;
>
> --
> 2.33.1
>