backlight: hx8357: Use of_property_present() for testing DT property presence

It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230310144730.1546101-1-robh@kernel.org

diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c
index 9b50bc9..f76d246 100644 (file)
--- a/drivers/video/backlight/hx8357.c
+++ b/drivers/video/backlight/hx8357.c
@@ -617,7 +617,7 @@ static int hx8357_probe(struct spi_device *spi)
                return -EINVAL;
        }
 
-       if (of_find_property(spi->dev.of_node, "im-gpios", NULL)) {
+       if (of_property_present(spi->dev.of_node, "im-gpios")) {
                lcd->use_im_pins = 1;
 
                for (i = 0; i < HX8357_NUM_IM_PINS; i++) {