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Diffstat (limited to 'sound/pci/atiixp_modem.c')
-rw-r--r--sound/pci/atiixp_modem.c73
1 files changed, 27 insertions, 46 deletions
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index 8864c4c3c7e1..91f31e2ad3d3 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -314,7 +314,6 @@ static int atiixp_build_dma_packets(struct atiixp_modem *chip,
{
unsigned int i;
u32 addr, desc_addr;
- unsigned long flags;
if (periods > ATI_MAX_DESCRIPTORS)
return -ENOMEM;
@@ -330,11 +329,11 @@ static int atiixp_build_dma_packets(struct atiixp_modem *chip,
return 0;
/* reset DMA before changing the descriptor table */
- spin_lock_irqsave(&chip->reg_lock, flags);
- writel(0, chip->remap_addr + dma->ops->llp_offset);
- dma->ops->enable_dma(chip, 0);
- dma->ops->enable_dma(chip, 1);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ scoped_guard(spinlock_irqsave, &chip->reg_lock) {
+ writel(0, chip->remap_addr + dma->ops->llp_offset);
+ dma->ops->enable_dma(chip, 0);
+ dma->ops->enable_dma(chip, 1);
+ }
/* fill the entries */
addr = (u32)substream->runtime->dma_addr;
@@ -496,7 +495,6 @@ static int snd_atiixp_aclink_reset(struct atiixp_modem *chip)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int snd_atiixp_aclink_down(struct atiixp_modem *chip)
{
// if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */
@@ -506,7 +504,6 @@ static int snd_atiixp_aclink_down(struct atiixp_modem *chip)
ATI_REG_CMD_POWERDOWN);
return 0;
}
-#endif
/*
* auto-detection of codecs
@@ -663,7 +660,7 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
!dma->ops->flush_dma))
return -EINVAL;
- spin_lock(&chip->reg_lock);
+ guard(spinlock)(&chip->reg_lock);
switch(cmd) {
case SNDRV_PCM_TRIGGER_START:
dma->ops->enable_transfer(chip, 1);
@@ -684,7 +681,6 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
snd_atiixp_check_bus_busy(chip);
}
}
- spin_unlock(&chip->reg_lock);
return err;
}
@@ -755,13 +751,12 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)
struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
unsigned int data;
- spin_lock_irq(&chip->reg_lock);
+ guard(spinlock_irq)(&chip->reg_lock);
/* set output threshold */
data = atiixp_read(chip, MODEM_OUT_FIFO);
data &= ~ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK;
data |= 0x04 << ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT;
atiixp_write(chip, MODEM_OUT_FIFO, data);
- spin_unlock_irq(&chip->reg_lock);
return 0;
}
@@ -866,9 +861,9 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream,
runtime->private_data = dma;
/* enable DMA bits */
- spin_lock_irq(&chip->reg_lock);
- dma->ops->enable_dma(chip, 1);
- spin_unlock_irq(&chip->reg_lock);
+ scoped_guard(spinlock_irq, &chip->reg_lock) {
+ dma->ops->enable_dma(chip, 1);
+ }
dma->opened = 1;
return 0;
@@ -881,9 +876,9 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,
/* disable DMA bits */
if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))
return -EINVAL;
- spin_lock_irq(&chip->reg_lock);
- dma->ops->enable_dma(chip, 0);
- spin_unlock_irq(&chip->reg_lock);
+ scoped_guard(spinlock_irq, &chip->reg_lock) {
+ dma->ops->enable_dma(chip, 0);
+ }
dma->substream = NULL;
dma->opened = 0;
return 0;
@@ -894,24 +889,17 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,
static int snd_atiixp_playback_open(struct snd_pcm_substream *substream)
{
struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
- int err;
- mutex_lock(&chip->open_mutex);
- err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0);
- mutex_unlock(&chip->open_mutex);
- if (err < 0)
- return err;
- return 0;
+ guard(mutex)(&chip->open_mutex);
+ return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0);
}
static int snd_atiixp_playback_close(struct snd_pcm_substream *substream)
{
struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
- int err;
- mutex_lock(&chip->open_mutex);
- err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]);
- mutex_unlock(&chip->open_mutex);
- return err;
+
+ guard(mutex)(&chip->open_mutex);
+ return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]);
}
static int snd_atiixp_capture_open(struct snd_pcm_substream *substream)
@@ -984,7 +972,7 @@ static int snd_atiixp_pcm_new(struct atiixp_modem *chip)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops);
pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
pcm->private_data = chip;
- strcpy(pcm->name, "ATI IXP MC97");
+ strscpy(pcm->name, "ATI IXP MC97");
chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm;
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
@@ -1022,10 +1010,9 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
if (status & CODEC_CHECK_BITS) {
unsigned int detected;
detected = status & CODEC_CHECK_BITS;
- spin_lock(&chip->reg_lock);
+ guard(spinlock)(&chip->reg_lock);
chip->codec_not_ready_bits |= detected;
atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */
- spin_unlock(&chip->reg_lock);
}
/* ack */
@@ -1094,7 +1081,6 @@ static int snd_atiixp_mixer_new(struct atiixp_modem *chip, int clock)
}
-#ifdef CONFIG_PM_SLEEP
/*
* power management
*/
@@ -1128,11 +1114,7 @@ static int snd_atiixp_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
-#define SND_ATIIXP_PM_OPS &snd_atiixp_pm
-#else
-#define SND_ATIIXP_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_atiixp_pm, snd_atiixp_suspend, snd_atiixp_resume);
/*
* proc interface for register dump
@@ -1181,11 +1163,10 @@ static int snd_atiixp_init(struct snd_card *card, struct pci_dev *pci)
chip->card = card;
chip->pci = pci;
chip->irq = -1;
- err = pcim_iomap_regions(pci, 1 << 0, "ATI IXP MC97");
- if (err < 0)
- return err;
+ chip->remap_addr = pcim_iomap_region(pci, 0, "ATI IXP MC97");
+ if (IS_ERR(chip->remap_addr))
+ return PTR_ERR(chip->remap_addr);
chip->addr = pci_resource_start(pci, 0);
- chip->remap_addr = pcim_iomap_table(pci)[0];
if (devm_request_irq(&pci->dev, pci->irq, snd_atiixp_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
@@ -1214,8 +1195,8 @@ static int __snd_atiixp_probe(struct pci_dev *pci,
return err;
chip = card->private_data;
- strcpy(card->driver, "ATIIXP-MODEM");
- strcpy(card->shortname, "ATI IXP Modem");
+ strscpy(card->driver, "ATIIXP-MODEM");
+ strscpy(card->shortname, "ATI IXP Modem");
err = snd_atiixp_init(card, pci);
if (err < 0)
return err;
@@ -1258,7 +1239,7 @@ static struct pci_driver atiixp_modem_driver = {
.id_table = snd_atiixp_ids,
.probe = snd_atiixp_probe,
.driver = {
- .pm = SND_ATIIXP_PM_OPS,
+ .pm = &snd_atiixp_pm,
},
};
generated by cgit (git 2.34.1) at 2025-12-25 07:49:22 +0000