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| author | Jiri Kosina <jkosina@suse.cz> | 2022-03-23 09:58:40 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2022-03-23 09:58:40 +0100 |
| commit | b690490d6d466972ade172ee2e7f6ffa49e7e910 (patch) | |
| tree | 50a93da28c9128e19eb7a3038aecf75dab6b36e1 /sound/core/init.c | |
| parent | f97ec5d75e9261a5da78dc28a8955b7cc0c4468b (diff) | |
| parent | 0f203948230720e849ad50d158adac1cd32c282f (diff) | |
Merge branch 'for-5.18/amd-sfh' into for-linus
- dead code elimination (Christophe JAILLET)
Diffstat (limited to 'sound/core/init.c')
| -rw-r--r-- | sound/core/init.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index ac335f5906c6..31ba7024e3ad 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -1111,29 +1111,14 @@ EXPORT_SYMBOL(snd_card_file_remove); */ int snd_power_ref_and_wait(struct snd_card *card) { - wait_queue_entry_t wait; - int result = 0; - snd_power_ref(card); - /* fastpath */ if (snd_power_get_state(card) == SNDRV_CTL_POWER_D0) return 0; - init_waitqueue_entry(&wait, current); - add_wait_queue(&card->power_sleep, &wait); - while (1) { - if (card->shutdown) { - result = -ENODEV; - break; - } - if (snd_power_get_state(card) == SNDRV_CTL_POWER_D0) - break; - snd_power_unref(card); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(30 * HZ); - snd_power_ref(card); - } - remove_wait_queue(&card->power_sleep, &wait); - return result; + wait_event_cmd(card->power_sleep, + card->shutdown || + snd_power_get_state(card) == SNDRV_CTL_POWER_D0, + snd_power_unref(card), snd_power_ref(card)); + return card->shutdown ? -ENODEV : 0; } EXPORT_SYMBOL_GPL(snd_power_ref_and_wait); |