From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Add header file to fix these build errors: ../drivers/input/touchscreen/ad7879.c: In function 'ad7879_parse_dt': ../drivers/input/touchscreen/ad7879.c:505:2: error: implicit declaration of function 'device_property_read_u32' [-Werror=implicit-function-declaration] err = device_property_read_u32(dev, "adi,resistance-plate-x", &tmp); ^ ../drivers/input/touchscreen/ad7879.c:512:2: error: implicit declaration of function 'device_property_read_u8' [-Werror=implicit-function-declaration] device_property_read_u8(dev, "adi,first-conversion-delay", ^ ../drivers/input/touchscreen/ad7879.c:521:2: error: implicit declaration of function 'device_property_read_bool' [-Werror=implicit-function-declaration] ts->swap_xy = device_property_read_bool(dev, "touchscreen-swapped-x-y"); ^ Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Cc: linux-input@xxxxxxxxxxxxxxx Cc: Michael Hennerich <michael.hennerich@xxxxxxxxxx> --- drivers/input/touchscreen/ad7879.c | 1 + 1 file changed, 1 insertion(+) --- linux-next-20170224.orig/drivers/input/touchscreen/ad7879.c +++ linux-next-20170224/drivers/input/touchscreen/ad7879.c @@ -26,6 +26,7 @@ #include <linux/input.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/property.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/gpio.h> -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html