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-img-spfi.c:746:34: error: ‘img_spfi_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/spi/spi-img-spfi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index c64e4fd3fdf0..bc360e779933 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -753,7 +753,7 @@ static struct platform_driver img_spfi_driver = { .driver = { .name = "img-spfi", .pm = &img_spfi_pm_ops, - .of_match_table = of_match_ptr(img_spfi_of_match), + .of_match_table = img_spfi_of_match, }, .probe = img_spfi_probe, .remove_new = img_spfi_remove, -- 2.34.1