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Diffstat (limited to 'sound/mips/snd-n64.c')
-rw-r--r--sound/mips/snd-n64.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/sound/mips/snd-n64.c b/sound/mips/snd-n64.c
index e1b2ff65d850..f17e63f2ff5a 100644
--- a/sound/mips/snd-n64.c
+++ b/sound/mips/snd-n64.c
@@ -81,10 +81,9 @@ static u32 n64mi_read_reg(struct n64audio *priv, const u8 reg)
static void n64audio_push(struct n64audio *priv)
{
struct snd_pcm_runtime *runtime = priv->chan.substream->runtime;
- unsigned long flags;
u32 count;
- spin_lock_irqsave(&priv->chan.lock, flags);
+ guard(spinlock_irqsave)(&priv->chan.lock);
count = priv->chan.writesize;
@@ -104,15 +103,12 @@ static void n64audio_push(struct n64audio *priv)
priv->chan.nextpos %= priv->chan.bufsize;
runtime->delay = runtime->period_size;
-
- spin_unlock_irqrestore(&priv->chan.lock, flags);
}
static irqreturn_t n64audio_isr(int irq, void *dev_id)
{
struct n64audio *priv = dev_id;
const u32 intrs = n64mi_read_reg(priv, MI_INTR_REG);
- unsigned long flags;
// Check it's ours
if (!(intrs & MI_INTR_AI))
@@ -121,11 +117,9 @@ static irqreturn_t n64audio_isr(int irq, void *dev_id)
n64audio_write_reg(priv, AI_STATUS_REG, 1);
if (priv->chan.substream && snd_pcm_running(priv->chan.substream)) {
- spin_lock_irqsave(&priv->chan.lock, flags);
-
- priv->chan.pos = priv->chan.nextpos;
-
- spin_unlock_irqrestore(&priv->chan.lock, flags);
+ scoped_guard(spinlock_irqsave, &priv->chan.lock) {
+ priv->chan.pos = priv->chan.nextpos;
+ }
snd_pcm_period_elapsed(priv->chan.substream);
if (priv->chan.substream && snd_pcm_running(priv->chan.substream))
@@ -221,7 +215,7 @@ static int n64audio_pcm_prepare(struct snd_pcm_substream *substream)
rate = 16;
n64audio_write_reg(priv, AI_BITCLOCK_REG, rate - 1);
- spin_lock_irq(&priv->chan.lock);
+ guard(spinlock_irq)(&priv->chan.lock);
/* Setup the pseudo-dma transfer pointers. */
priv->chan.pos = 0;
@@ -230,7 +224,6 @@ static int n64audio_pcm_prepare(struct snd_pcm_substream *substream)
priv->chan.writesize = snd_pcm_lib_period_bytes(substream);
priv->chan.bufsize = snd_pcm_lib_buffer_bytes(substream);
- spin_unlock_irq(&priv->chan.lock);
return 0;
}