On Wed, 29 Mar 2023 16:20:43 -0500 Rob Herring <robh@xxxxxxxxxx> wrote: > With linux/acpi.h no longer implicitly including of.h, add an explicit > include of of.h to fix the following error: > > drivers/staging/iio/resolver/ad2s1210.c:706:21: error: implicit declaration of function 'of_match_ptr' is invalid in C99 [-Werror,-Wimplicit-function-declaration] > > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > --- > drivers/staging/iio/resolver/ad2s1210.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c > index e4cf42438487..eb364639fa58 100644 > --- a/drivers/staging/iio/resolver/ad2s1210.c > +++ b/drivers/staging/iio/resolver/ad2s1210.c > @@ -7,6 +7,7 @@ > #include <linux/types.h> > #include <linux/mutex.h> > #include <linux/device.h> > +#include <linux/of.h> > #include <linux/spi/spi.h> > #include <linux/slab.h> > #include <linux/sysfs.h> >