Re: [PATCH v2 20/28] ASoC: sti: uniperif: Mark 'uni_tdm_hw' as __maybe_unused
From: Arnaud POULIQUEN <hidden>
Date: 2020-07-08 13:35:35
Also in:
alsa-devel, lkml
On 7/7/20 4:37 PM, Lee Jones wrote:
Only 2 of the 3 source files which include this headerfile actually
reference 'uni_tdm_hw'. The other source file 'sti_uniperif.c' sees
as it as being unused. Mark it as __maybe_unused to show that this
behaviour is not only known, it's intentional.
Fixes the following W=1 kernel build warning(s):
sound/soc/sti/uniperif.h:1351:38: warning: ‘uni_tdm_hw’ defined but not used [-Wunused-const-variable=]
1351 | static const struct snd_pcm_hardware uni_tdm_hw = {
| ^~~~~~~~~~
Cc: Arnaud Pouliquen <redacted>
Signed-off-by: Lee Jones <redacted>Acked-by: Arnaud Pouliquen <redacted> Thanks Arnaud
quoted hunk ↗ jump to hunk
--- sound/soc/sti/uniperif.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h index 2dc2da5d458bd..e22d045d5cd99 100644 --- a/sound/soc/sti/uniperif.h +++ b/sound/soc/sti/uniperif.h@@ -1348,7 +1348,7 @@ struct sti_uniperiph_data { struct sti_uniperiph_dai dai_data; }; -static const struct snd_pcm_hardware uni_tdm_hw = { +static const struct snd_pcm_hardware __maybe_unused uni_tdm_hw = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID,
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