[PATCH v2 04/11] ASoC: fsl_esai: Use guard() for spin locks

[phucduc.bui at gmail.com]

From: bui duc phuc <phucduc.bui at gmail.com>

Clean up the code using guard() for spin locks.
Merely code refactoring, and no behavior change.

Signed-off-by: bui duc phuc <phucduc.bui at gmail.com>
---
 sound/soc/fsl/fsl_esai.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index cde0b0c6c1ef..4a530a6c33f0 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -709,10 +709,9 @@ static void fsl_esai_hw_reset(struct work_struct *work)
 {
 	struct fsl_esai *esai_priv = container_of(work, struct fsl_esai, work);
 	bool tx = true, rx = false, enabled[2];
-	unsigned long lock_flags;
 	u32 tfcr, rfcr;
 
-	spin_lock_irqsave(&esai_priv->lock, lock_flags);
+	guard(spinlock_irqsave)(&esai_priv->lock);
 	/* Save the registers */
 	regmap_read(esai_priv->regmap, REG_ESAI_TFCR, &tfcr);
 	regmap_read(esai_priv->regmap, REG_ESAI_RFCR, &rfcr);
@@ -750,8 +749,6 @@ static void fsl_esai_hw_reset(struct work_struct *work)
 		fsl_esai_trigger_start(esai_priv, tx);
 	if (enabled[rx])
 		fsl_esai_trigger_start(esai_priv, rx);
-
-	spin_unlock_irqrestore(&esai_priv->lock, lock_flags);
 }
 
 static int fsl_esai_trigger(struct snd_pcm_substream *substream, int cmd,
@@ -759,7 +756,6 @@ static int fsl_esai_trigger(struct snd_pcm_substream *substream, int cmd,
 {
 	struct fsl_esai *esai_priv = snd_soc_dai_get_drvdata(dai);
 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
-	unsigned long lock_flags;
 
 	esai_priv->channels[tx] = substream->runtime->channels;
 
@@ -767,16 +763,14 @@ static int fsl_esai_trigger(struct snd_pcm_substream *substream, int cmd,
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		spin_lock_irqsave(&esai_priv->lock, lock_flags);
-		fsl_esai_trigger_start(esai_priv, tx);
-		spin_unlock_irqrestore(&esai_priv->lock, lock_flags);
+		scoped_guard(spinlock_irqsave, &esai_priv->lock)
+			fsl_esai_trigger_start(esai_priv, tx);
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		spin_lock_irqsave(&esai_priv->lock, lock_flags);
-		fsl_esai_trigger_stop(esai_priv, tx);
-		spin_unlock_irqrestore(&esai_priv->lock, lock_flags);
+		scoped_guard(spinlock_irqsave, &esai_priv->lock)
+			fsl_esai_trigger_stop(esai_priv, tx);
 		break;
 	default:
 		return -EINVAL;
-- 
2.43.0