[PATCH] drm/exynos: fix building without CONFIG_PM_SLEEP

[Krzysztof Kozlowski]

2015-11-18 0:08 GMT+09:00 Arnd Bergmann <arnd at arndb.de>:
> The runtime PM operations use the suspend/resume functions
> even when CONFIG_PM_SLEEP is not set, but this now fails
> for the exynos DRM driver:
>
> exynos_mixer.c:1289:61: error: 'exynos_mixer_resume' undeclared here (not in a function)
>   SET_RUNTIME_PM_OPS(exynos_mixer_suspend, exynos_mixer_resume, NULL)
>
> This removes the #ifdef and instead marks the functions as
> __maybe_unused, which does the right thing in all cases and
> also looks nicer.
>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Fixes:   ("drm/exynos: add pm_runtime to Mixer")

Dear Inki,

Ping? On 4.5-rc1 this is still broken. Can you apply this for fixes
for current rc-cycle?

Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>

Best regards,
Krzysztof


>
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
> index 7498c6e76a53..fcaf71df77c1 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -1230,8 +1230,7 @@ static int mixer_remove(struct platform_device *pdev)
>         return 0;
>  }
>
> -#ifdef CONFIG_PM_SLEEP
> -static int exynos_mixer_suspend(struct device *dev)
> +static int __maybe_unused exynos_mixer_suspend(struct device *dev)
>  {
>         struct mixer_context *ctx = dev_get_drvdata(dev);
>         struct mixer_resources *res = &ctx->mixer_res;
> @@ -1247,7 +1246,7 @@ static int exynos_mixer_suspend(struct device *dev)
>         return 0;
>  }
>
> -static int exynos_mixer_resume(struct device *dev)
> +static int __maybe_unused exynos_mixer_resume(struct device *dev)
>  {
>         struct mixer_context *ctx = dev_get_drvdata(dev);
>         struct mixer_resources *res = &ctx->mixer_res;
> @@ -1283,7 +1282,6 @@ static int exynos_mixer_resume(struct device *dev)
>
>         return 0;
>  }
> -#endif
>
>  static const struct dev_pm_ops exynos_mixer_pm_ops = {
>         SET_RUNTIME_PM_OPS(exynos_mixer_suspend, exynos_mixer_resume, NULL)
>
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