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] Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Reviewed-by: Jacob Keller <jacob.e.keller@xxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Rob Herring <robh@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> -- 2.39.2
