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-rockchip.c:1051:34: error: ‘rockchip_spi_dt_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/spi/spi-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index a66fff0ee20e..57ae58bf7a62 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -1069,7 +1069,7 @@ static struct platform_driver rockchip_spi_driver = { .driver = { .name = DRIVER_NAME, .pm = &rockchip_spi_pm, - .of_match_table = of_match_ptr(rockchip_spi_dt_match), + .of_match_table = rockchip_spi_dt_match, }, .probe = rockchip_spi_probe, .remove_new = rockchip_spi_remove, -- 2.34.1