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). This fixes compile warning (!CONFIG_OF on x86_64): sound/soc/samsung/smdk_wm8994.c:139:34: warning: ‘samsung_wm8994_of_match’ defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- sound/soc/samsung/smdk_wm8994.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c index 64a1a64656ab..696ab6abd1f6 100644 --- a/sound/soc/samsung/smdk_wm8994.c +++ b/sound/soc/samsung/smdk_wm8994.c @@ -187,7 +187,7 @@ static int smdk_audio_probe(struct platform_device *pdev) static struct platform_driver smdk_audio_driver = { .driver = { .name = "smdk-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 = smdk_audio_probe, -- 2.25.1