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). sound/soc/samsung/aries_wm8994.c:523:34: error: ‘samsung_wm8994_of_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- sound/soc/samsung/aries_wm8994.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/aries_wm8994.c b/sound/soc/samsung/aries_wm8994.c index 0fbbf3b02c09..9122482a0e5c 100644 --- a/sound/soc/samsung/aries_wm8994.c +++ b/sound/soc/samsung/aries_wm8994.c @@ -684,7 +684,7 @@ static int aries_audio_probe(struct platform_device *pdev) static struct platform_driver aries_audio_driver = { .driver = { .name = "aries-audio-wm8994", - .of_match_table = of_match_ptr(samsung_wm8994_of_match), + .of_match_table = samsung_wm8994_of_match, .pm = &snd_soc_pm_ops, }, .probe = aries_audio_probe, -- 2.34.1