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ALSA: sgio2audio: Use guard() for spin locks 

Clean up the code using guard() for spin locks.

Merely code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
pull/476/head
Takashi Iwai 2025-09-10 13:09:19 +02:00
parent 2d7d8e0fa5
commit f5bf18b076
1 changed files with 5 additions and 15 deletions
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20
sound/mips/sgio2audio.c
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@ -103,9 +103,8 @@ static int read_ad1843_reg(void *priv, int reg)
{
struct snd_sgio2audio *chip = priv;
int val;
unsigned long flags;
spin_lock_irqsave(&chip->ad1843_lock, flags);
guard(spinlock_irqsave)(&chip->ad1843_lock);
writeq((reg << CODEC_CONTROL_ADDRESS_SHIFT) |
CODEC_CONTROL_READ, &mace->perif.audio.codec_control);
@ -115,7 +114,6 @@ static int read_ad1843_reg(void *priv, int reg)
val = readq(&mace->perif.audio.codec_read);
spin_unlock_irqrestore(&chip->ad1843_lock, flags);
return val;
}
@ -126,9 +124,8 @@ static int write_ad1843_reg(void *priv, int reg, int word)
{
struct snd_sgio2audio *chip = priv;
int val;
unsigned long flags;
spin_lock_irqsave(&chip->ad1843_lock, flags);
guard(spinlock_irqsave)(&chip->ad1843_lock);
writeq((reg << CODEC_CONTROL_ADDRESS_SHIFT) |
(word << CODEC_CONTROL_WORD_SHIFT),
@ -137,7 +134,6 @@ static int write_ad1843_reg(void *priv, int reg, int word)
val = readq(&mace->perif.audio.codec_control); /* flush bus */
udelay(200);
spin_unlock_irqrestore(&chip->ad1843_lock, flags);
return 0;
}
@ -351,10 +347,9 @@ static int snd_sgio2audio_dma_pull_frag(struct snd_sgio2audio *chip,
u64 *src;
s16 *dst;
u64 x;
unsigned long flags;
struct snd_pcm_runtime *runtime = chip->channel[ch].substream->runtime;
spin_lock_irqsave(&chip->channel[ch].lock, flags);
guard(spinlock_irqsave)(&chip->channel[ch].lock);
src_base = (unsigned long) chip->ring_base | (ch << CHANNEL_RING_SHIFT);
src_pos = readq(&mace->perif.audio.chan[ch].read_ptr);
@ -383,7 +378,6 @@ static int snd_sgio2audio_dma_pull_frag(struct snd_sgio2audio *chip,
writeq(src_pos, &mace->perif.audio.chan[ch].read_ptr); /* in bytes */
chip->channel[ch].pos = dst_pos;
spin_unlock_irqrestore(&chip->channel[ch].lock, flags);
return ret;
}
@ -399,10 +393,9 @@ static int snd_sgio2audio_dma_push_frag(struct snd_sgio2audio *chip,
int src_pos;
u64 *dst;
s16 *src;
unsigned long flags;
struct snd_pcm_runtime *runtime = chip->channel[ch].substream->runtime;
spin_lock_irqsave(&chip->channel[ch].lock, flags);
guard(spinlock_irqsave)(&chip->channel[ch].lock);
dst_base = (unsigned long)chip->ring_base | (ch << CHANNEL_RING_SHIFT);
dst_pos = readq(&mace->perif.audio.chan[ch].write_ptr);
@ -433,7 +426,6 @@ static int snd_sgio2audio_dma_push_frag(struct snd_sgio2audio *chip,
writeq(dst_pos, &mace->perif.audio.chan[ch].write_ptr); /* in bytes */
chip->channel[ch].pos = src_pos;
spin_unlock_irqrestore(&chip->channel[ch].lock, flags);
return ret;
}
@ -584,9 +576,8 @@ static int snd_sgio2audio_pcm_prepare(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_sgio2audio_chan *chan = substream->runtime->private_data;
int ch = chan->idx;
unsigned long flags;
spin_lock_irqsave(&chip->channel[ch].lock, flags);
guard(spinlock_irqsave)(&chip->channel[ch].lock);
/* Setup the pseudo-dma transfer pointers. */
chip->channel[ch].pos = 0;
@ -610,7 +601,6 @@ static int snd_sgio2audio_pcm_prepare(struct snd_pcm_substream *substream)
runtime->channels);
break;
}
spin_unlock_irqrestore(&chip->channel[ch].lock, flags);
return 0;
}