On Fri, Sep 30, 2016 at 06:22:33PM +0200, Arnd Bergmann wrote:
> The newly added ektf2127 driver uses the SIMPLE_DEV_PM_OPS macro
> to conditionally refer to the resume/suspend functions, which
> causes a warning when CONFIG_PM_SLEEP is disabled:
>
> drivers/input/touchscreen/ektf2127.c:168:12: error: 'ektf2127_resume' defined but not used [-Werror=unused-function]
> drivers/input/touchscreen/ektf2127.c:156:12: error: 'ektf2127_suspend' defined but not used [-Werror=unused-function]
>
> We could either put these functions inside of an #ifdef or
> add __maybe_unused annotations. This uses the second approach,
> which is generally more foolproof.
>
> Fixes: 9ca5bf5029b6 ("Input: add support for Elan eKTF2127 touchscreen controller")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Applied, thank you.
> ---
> drivers/input/touchscreen/ektf2127.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/touchscreen/ektf2127.c b/drivers/input/touchscreen/ektf2127.c
> index 31a2dd7f38aa..0ed34ff787ce 100644
> --- a/drivers/input/touchscreen/ektf2127.c
> +++ b/drivers/input/touchscreen/ektf2127.c
> @@ -153,7 +153,7 @@ static void ektf2127_stop(struct input_dev *dev)
> gpiod_set_value_cansleep(ts->power_gpios, 0);
> }
>
> -static int ektf2127_suspend(struct device *dev)
> +static int __maybe_unused ektf2127_suspend(struct device *dev)
> {
> struct ektf2127_ts *ts = i2c_get_clientdata(to_i2c_client(dev));
>
> @@ -165,7 +165,7 @@ static int ektf2127_suspend(struct device *dev)
> return 0;
> }
>
> -static int ektf2127_resume(struct device *dev)
> +static int __maybe_unused ektf2127_resume(struct device *dev)
> {
> struct ektf2127_ts *ts = i2c_get_clientdata(to_i2c_client(dev));
>
> --
> 2.9.0
>
--
Dmitry
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