Several functions in this driver are only referenced for baytrail-class configurations and building configurations with only merrifield enabled causes a warning: sound/soc/sof/intel/byt.c:447:12: error: unused function 'byt_suspend' [-Werror,-Wunused-function] static int byt_suspend(struct snd_sof_dev *sdev, u32 target_state) ^ sound/soc/sof/intel/byt.c:454:12: error: unused function 'byt_resume' [-Werror,-Wunused-function] static int byt_resume(struct snd_sof_dev *sdev) ^ sound/soc/sof/intel/byt.c:464:12: error: unused function 'byt_remove' [-Werror,-Wunused-function] static int byt_remove(struct snd_sof_dev *sdev) Move these into a corresponding #ifdef section. Fixes: c691f0c6e267 ("ASoC: SOF: Intel: BYT: add .remove op") Fixes: ddcccd543f5d ("ASoC: SOF: Intel: byt: Add PM callbacks") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- sound/soc/sof/intel/byt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c index e6ba8382b1de..6ae62a8a9daf 100644 --- a/sound/soc/sof/intel/byt.c +++ b/sound/soc/sof/intel/byt.c @@ -432,6 +432,7 @@ static void byt_set_mach_params(const struct snd_soc_acpi_mach *mach, mach_params->platform = dev_name(dev); } +#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) static void byt_reset_dsp_disable_int(struct snd_sof_dev *sdev) { /* Disable Interrupt from both sides */ @@ -467,6 +468,7 @@ static int byt_remove(struct snd_sof_dev *sdev) return 0; } +#endif /* Baytrail DAIs */ static struct snd_soc_dai_driver byt_dai[] = { -- 2.26.2