On Mon, 16 Dec 2019 19:38:49 +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 default_accel_pdata with __maybe_unused to calm a compiler down: > > In file included from drivers/iio/accel/st_accel_i2c.c:19: > drivers/iio/accel/st_accel.h:67:46: warning: ‘default_accel_pdata’ defined but not used [-Wunused-const-variable=] > 67 | static const struct st_sensors_platform_data default_accel_pdata = { > | ^~~~~~~~~~~~~~~~~~~ > ... Applied. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/iio/accel/st_accel.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h > index af09943f38c9..5b13e293cade 100644 > --- a/drivers/iio/accel/st_accel.h > +++ b/drivers/iio/accel/st_accel.h > @@ -64,7 +64,7 @@ enum st_accel_type { > * struct st_sensors_platform_data - default accel platform data > * @drdy_int_pin: default accel DRDY is available on INT1 pin. > */ > -static const struct st_sensors_platform_data default_accel_pdata = { > +static __maybe_unused const struct st_sensors_platform_data default_accel_pdata = { > .drdy_int_pin = 1, > }; >