The driver can match only via the DT table so the table should be always used and the of_match_ptr does not have any sense (this also allows ACPI matching via PRP0001, even though it might not be relevant here). drivers/media/cec/i2c/ch7322.c:583:34: error: ‘ch7322_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/media/cec/i2c/ch7322.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/cec/i2c/ch7322.c b/drivers/media/cec/i2c/ch7322.c index 34fad7123704..3c6e6496a001 100644 --- a/drivers/media/cec/i2c/ch7322.c +++ b/drivers/media/cec/i2c/ch7322.c @@ -589,7 +589,7 @@ MODULE_DEVICE_TABLE(of, ch7322_of_match); static struct i2c_driver ch7322_i2c_driver = { .driver = { .name = "ch7322", - .of_match_table = of_match_ptr(ch7322_of_match), + .of_match_table = ch7322_of_match, }, .probe_new = ch7322_probe, .remove = ch7322_remove, -- 2.34.1