Hello Dan,
sorry for the blunder! Patch looks good to me.
Reviewed-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx>
With best wishes,
Tobias
Dan Carpenter wrote:
> We were trying to print an error message if we timed out here, but the
> loop actually ends with "tries" set to UINT_MAX and not zero. Fix this
> by changing from tries-- to --tries.
>
> A for loop would actually be the most natural way to do this. My fix
> means we only loop 99 times instead of 100 but that's probably ok.
>
> Fixes: a696394c5224 ('drm/exynos: mixer: simplify loop in vp_win_reset()')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
> index edb20a3..fcc7e4f 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -701,7 +701,7 @@ static void vp_win_reset(struct mixer_context *ctx)
> unsigned int tries = 100;
>
> vp_reg_write(res, VP_SRESET, VP_SRESET_PROCESSING);
> - while (tries--) {
> + while (--tries) {
> /* waiting until VP_SRESET_PROCESSING is 0 */
> if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
> break;
> --
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