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 is not relevant here). drivers/spi/spi-armada-3700.c:807:34: error: ‘a3700_spi_dt_ids’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/spi/spi-armada-3700.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c index 6a7e605f73bf..feb7371940bc 100644 --- a/drivers/spi/spi-armada-3700.c +++ b/drivers/spi/spi-armada-3700.c @@ -919,7 +919,7 @@ static void a3700_spi_remove(struct platform_device *pdev) static struct platform_driver a3700_spi_driver = { .driver = { .name = DRIVER_NAME, - .of_match_table = of_match_ptr(a3700_spi_dt_ids), + .of_match_table = a3700_spi_dt_ids, }, .probe = a3700_spi_probe, .remove_new = a3700_spi_remove, -- 2.34.1