Hey Bjorn,
Thanks for fixing this quickly.
On Thu, 28 Oct 2021 at 18:33, Bjorn Andersson
<bjorn.andersson@xxxxxxxxxx> wrote:
>
> When built without CONFIG_PWM there are no references to
> ti_sn65dsi86_read_u16(), avoid the W=1 build warning by marking the
> function as __maybe_unused.
>
> __maybe_unused is used insted of a #ifdef guard as it looks slighly
> cleaner and it avoids issues if in the future other permutations of the
> config options would use the function.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>
> Robert, I believe you pushed out the driver patch introducing this issue
> yesterday. Can you please add the relevant Fixes?
Added fixes & r-b tags.
Fixes: cea86c5bb442 ("drm/bridge: ti-sn65dsi86: Implement the pwm_chip")
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
Applied to drm-misc-next
>
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 430067a3071c..e1f43b73155b 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -215,8 +215,8 @@ static const struct regmap_config ti_sn65dsi86_regmap_config = {
> .cache_type = REGCACHE_NONE,
> };
>
> -static int ti_sn65dsi86_read_u16(struct ti_sn65dsi86 *pdata,
> - unsigned int reg, u16 *val)
> +static int __maybe_unused ti_sn65dsi86_read_u16(struct ti_sn65dsi86 *pdata,
> + unsigned int reg, u16 *val)
> {
> u8 buf[2];
> int ret;
> --
> 2.33.1
>
