From: Jérémy Lefaure Date: Sat, 17 Dec 2016 00:25:27 +0000 (-0500) Subject: ALSA: cs5535audio: fix unused warnings on resume/suspend X-Git-Tag: v4.11-rc1~38^2~17^2~71 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fe4cb86cdea781e969f37b9aa9db95577ff485f2;p=platform%2Fkernel%2Flinux-exynos.git ALSA: cs5535audio: fix unused warnings on resume/suspend When CONFIG_PM_SLEEP is disabled, SIMPLE_DEV_PM_OPS does not use snd_cs5535audio_resume and snd_cs5535audio_suspend functions: sound/pci/cs5535audio/cs5535audio_pm.c:77:12: warning: ‘snd_cs5535audio_resume’ defined but not used [-Wunused-function] static int snd_cs5535audio_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~ sound/pci/cs5535audio/cs5535audio_pm.c:58:12: warning: ‘snd_cs5535audio_suspend’ defined but not used [-Wunused-function] static int snd_cs5535audio_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~ Adding __maybe_unused to the declaration of these functions removes the warnings. Signed-off-by: Jérémy Lefaure Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/cs5535audio/cs5535audio_pm.c b/sound/pci/cs5535audio/cs5535audio_pm.c index 06ac5d8..82bd10b 100644 --- a/sound/pci/cs5535audio/cs5535audio_pm.c +++ b/sound/pci/cs5535audio/cs5535audio_pm.c @@ -55,7 +55,7 @@ static void snd_cs5535audio_stop_hardware(struct cs5535audio *cs5535au) } -static int snd_cs5535audio_suspend(struct device *dev) +static int __maybe_unused snd_cs5535audio_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct cs5535audio *cs5535au = card->private_data; @@ -74,7 +74,7 @@ static int snd_cs5535audio_suspend(struct device *dev) return 0; } -static int snd_cs5535audio_resume(struct device *dev) +static int __maybe_unused snd_cs5535audio_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct cs5535audio *cs5535au = card->private_data;