The driver will match mostly by DT table (even thought there is regular
ID table) so there is little benefit in of_match_ptr (this also allows
ACPI matching via PRP0001, even though it might not be relevant here).

  drivers/video/backlight/arcxcnn_bl.c:378:34: error: ‘arcxcnn_dt_ids’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <redacted>
---
 drivers/video/backlight/arcxcnn_bl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/backlight/arcxcnn_bl.c b/drivers/video/backlight/arcxcnn_bl.c
index e610d7a1d13d..088bcca547dd 100644
--- a/drivers/video/backlight/arcxcnn_bl.c
+++ b/drivers/video/backlight/arcxcnn_bl.c

@@ -390,7 +390,7 @@ MODULE_DEVICE_TABLE(i2c, arcxcnn_ids);
 static struct i2c_driver arcxcnn_driver = {
 	.driver = {
 		.name = "arcxcnn_bl",
-		.of_match_table = of_match_ptr(arcxcnn_dt_ids),
+		.of_match_table = arcxcnn_dt_ids,
 	},
 	.probe_new = arcxcnn_probe,
 	.remove = arcxcnn_remove,

-- 
2.34.1