Le 02/03/2016 16:58, Arnd Bergmann a écrit :
> The at91-pio4 pinctrl driver uses SET_SYSTEM_SLEEP_PM_OPS() to
> conditionally set the correct suspend/resume options, but they
> become unused when CONFIG_PM is disabled:
>
> drivers/pinctrl/pinctrl-at91-pio4.c:827:12: error: 'atmel_pctrl_suspend'
> defined but not used [-Werror=unused-function]
> drivers/pinctrl/pinctrl-at91-pio4.c:847:12: error: 'atmel_pctrl_resume'
> defined but not used [-Werror=unused-function]
>
> This adds __maybe_unused annotations so the compiler knows
> it can silently drop them instead of warning.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Indeed, nice like this:
Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
Thanks, bye.
> ---
> drivers/pinctrl/pinctrl-at91-pio4.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c
> b/drivers/pinctrl/pinctrl-at91-pio4.c
> index ee69db6ae1c7..4429312e848d 100644
> --- a/drivers/pinctrl/pinctrl-at91-pio4.c
> +++ b/drivers/pinctrl/pinctrl-at91-pio4.c
> @@ -824,7 +824,7 @@ static struct pinctrl_desc atmel_pinctrl_desc = {
> .pmxops = &atmel_pmxops,
> };
>
> -static int atmel_pctrl_suspend(struct device *dev)
> +static int __maybe_unused atmel_pctrl_suspend(struct device *dev)
> {
> struct platform_device *pdev = to_platform_device(dev);
> struct atmel_pioctrl *atmel_pioctrl = platform_get_drvdata(pdev);
> @@ -844,7 +844,7 @@ static int atmel_pctrl_suspend(struct device *dev)
> return 0;
> }
>
> -static int atmel_pctrl_resume(struct device *dev)
> +static int __maybe_unused atmel_pctrl_resume(struct device *dev)
> {
> struct platform_device *pdev = to_platform_device(dev);
> struct atmel_pioctrl *atmel_pioctrl = platform_get_drvdata(pdev);
>
--
Nicolas Ferre
