On Mon, 16 Dec 2019 19:38:48 +0200
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> Since we put static variable to a header file it's copied to each module
> that includes the header. But not all of them are actually used it.
>
> Mark gyro_pdata with __maybe_unused to calm a compiler down:
>
> In file included from drivers/iio/gyro/st_gyro_i2c.c:18:
> drivers/iio/gyro/st_gyro.h:31:46: warning: ‘gyro_pdata’ defined but not used [-Wunused-const-variable=]
> 31 | static const struct st_sensors_platform_data gyro_pdata = {
> | ^~~~~~~~~~
> ...
Applied
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/iio/gyro/st_gyro.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h
> index 592f6b34e987..fd9171cc3aba 100644
> --- a/drivers/iio/gyro/st_gyro.h
> +++ b/drivers/iio/gyro/st_gyro.h
> @@ -28,7 +28,7 @@
> * struct st_sensors_platform_data - gyro platform data
> * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
> */
> -static const struct st_sensors_platform_data gyro_pdata = {
> +static __maybe_unused const struct st_sensors_platform_data gyro_pdata = {
> .drdy_int_pin = 2,
> };
>
