diff options
Diffstat (limited to 'sound/mips/sgio2audio.c')
| -rw-r--r-- | sound/mips/sgio2audio.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c index 4e2ff954ff59..077fdf2181c1 100644 --- a/sound/mips/sgio2audio.c +++ b/sound/mips/sgio2audio.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/slab.h> +#include <linux/string.h> #include <linux/module.h> #include <asm/ip32/ip32_ints.h> @@ -102,9 +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); @@ -114,7 +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; } @@ -125,9 +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), @@ -136,7 +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; } @@ -350,10 +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); @@ -382,7 +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; } @@ -398,10 +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); @@ -432,7 +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; } @@ -583,9 +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; @@ -609,7 +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; } @@ -685,7 +676,7 @@ static int snd_sgio2audio_new_pcm(struct snd_sgio2audio *chip) return err; pcm->private_data = chip; - strcpy(pcm->name, "SGI O2 DAC1"); + strscpy(pcm->name, "SGI O2 DAC1"); /* set operators */ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, @@ -700,7 +691,7 @@ static int snd_sgio2audio_new_pcm(struct snd_sgio2audio *chip) return err; pcm->private_data = chip; - strcpy(pcm->name, "SGI O2 DAC2"); + strscpy(pcm->name, "SGI O2 DAC2"); /* set operators */ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, @@ -892,8 +883,8 @@ static int snd_sgio2audio_probe(struct platform_device *pdev) return err; } - strcpy(card->driver, "SGI O2 Audio"); - strcpy(card->shortname, "SGI O2 Audio"); + strscpy(card->driver, "SGI O2 Audio"); + strscpy(card->shortname, "SGI O2 Audio"); sprintf(card->longname, "%s irq %i-%i", card->shortname, MACEISA_AUDIO1_DMAT_IRQ, |