Re: [PATCH] media: camss: mark PM functions as __maybe_unused
From: Todor Tomov
Date: Fri Aug 17 2018 - 07:32:33 EST
Thank you Arnd.
On 17.08.2018 12:53, Arnd Bergmann wrote:
> The empty suspend/resume functions cause a build warning
> when they are unused:
>
> drivers/media/platform/qcom/camss/camss.c:1001:12: error: 'camss_runtime_resume' defined but not used [-Werror=unused-function]
> drivers/media/platform/qcom/camss/camss.c:996:12: error: 'camss_runtime_suspend' defined but not used [-Werror=unused-function]
>
> Mark them as __maybe_unused so the compiler can silently drop them.
>
> Fixes: 02afa816dbbf ("media: camss: Add basic runtime PM support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Todor Tomov <todor.tomov@xxxxxxxxxx>
> ---
> drivers/media/platform/qcom/camss/camss.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index dcc0c30ef1b1..9f19d5f5966b 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -993,12 +993,12 @@ static const struct of_device_id camss_dt_match[] = {
>
> MODULE_DEVICE_TABLE(of, camss_dt_match);
>
> -static int camss_runtime_suspend(struct device *dev)
> +static int __maybe_unused camss_runtime_suspend(struct device *dev)
> {
> return 0;
> }
>
> -static int camss_runtime_resume(struct device *dev)
> +static int __maybe_unused camss_runtime_resume(struct device *dev)
> {
> return 0;
> }
>
--
Best regards,
Todor Tomov