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ASoC: samsung: i2s: Use guard() for spin locks

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

Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260423125646.156599-2-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
bui duc phuc 2026-04-23 19:56:42 +07:00 committed by Mark Brown
parent 254f49634e
commit 3d08517b5c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 50 additions and 68 deletions
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118
sound/soc/samsung/i2s.c
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@ -510,14 +510,13 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int rfs,
unsigned int cdcon_mask = 1 << i2s_regs->cdclkcon_off;
unsigned int rsrc_mask = 1 << i2s_regs->rclksrc_off;
u32 mod, mask, val = 0;
unsigned long flags;
int ret = 0;
pm_runtime_get_sync(dai->dev);
spin_lock_irqsave(&priv->lock, flags);
mod = readl(priv->addr + I2SMOD);
spin_unlock_irqrestore(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock)
mod = readl(priv->addr + I2SMOD);
switch (clk_id) {
case SAMSUNG_I2S_OPCLK:
@ -612,11 +611,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int rfs,
goto err;
}
spin_lock_irqsave(&priv->lock, flags);
mod = readl(priv->addr + I2SMOD);
mod = (mod & ~mask) | val;
writel(mod, priv->addr + I2SMOD);
spin_unlock_irqrestore(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock) {
mod = readl(priv->addr + I2SMOD);
mod = (mod & ~mask) | val;
writel(mod, priv->addr + I2SMOD);
}
done:
pm_runtime_put(dai->dev);
@ -729,7 +728,6 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
struct i2s_dai *i2s = to_info(dai);
u32 mod, mask = 0, val = 0;
struct clk *rclksrc;
unsigned long flags;
WARN_ON(!pm_runtime_active(dai->dev));
@ -801,11 +799,11 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
spin_lock_irqsave(&priv->lock, flags);
mod = readl(priv->addr + I2SMOD);
mod = (mod & ~mask) | val;
writel(mod, priv->addr + I2SMOD);
spin_unlock_irqrestore(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock) {
mod = readl(priv->addr + I2SMOD);
mod = (mod & ~mask) | val;
writel(mod, priv->addr + I2SMOD);
}
snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
@ -825,11 +823,10 @@ static int i2s_startup(struct snd_pcm_substream *substream,
struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai);
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = get_other_dai(i2s);
unsigned long flags;
pm_runtime_get_sync(dai->dev);
spin_lock_irqsave(&priv->pcm_lock, flags);
guard(spinlock_irqsave)(&priv->pcm_lock);
i2s->mode |= DAI_OPENED;
@ -841,8 +838,6 @@ static int i2s_startup(struct snd_pcm_substream *substream,
if (!any_active(i2s) && (priv->quirks & QUIRK_NEED_RSTCLR))
writel(CON_RSTCLR, i2s->priv->addr + I2SCON);
spin_unlock_irqrestore(&priv->pcm_lock, flags);
return 0;
}
@ -852,21 +847,18 @@ static void i2s_shutdown(struct snd_pcm_substream *substream,
struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai);
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = get_other_dai(i2s);
unsigned long flags;
spin_lock_irqsave(&priv->pcm_lock, flags);
scoped_guard(spinlock_irqsave, &priv->pcm_lock) {
i2s->mode &= ~DAI_OPENED;
i2s->mode &= ~DAI_MANAGER;
i2s->mode &= ~DAI_OPENED;
i2s->mode &= ~DAI_MANAGER;
if (is_opened(other))
other->mode |= DAI_MANAGER;
if (is_opened(other))
other->mode |= DAI_MANAGER;
/* Reset any constraint on RFS and BFS */
i2s->rfs = 0;
i2s->bfs = 0;
spin_unlock_irqrestore(&priv->pcm_lock, flags);
/* Reset any constraint on RFS and BFS */
i2s->rfs = 0;
i2s->bfs = 0;
}
pm_runtime_put(dai->dev);
}
@ -939,7 +931,6 @@ static int i2s_trigger(struct snd_pcm_substream *substream,
int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct i2s_dai *i2s = to_info(snd_soc_rtd_to_cpu(rtd, 0));
unsigned long flags;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@ -950,37 +941,31 @@ static int i2s_trigger(struct snd_pcm_substream *substream,
if (priv->fixup_early)
priv->fixup_early(substream, dai);
spin_lock_irqsave(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock) {
if (config_setup(i2s))
return -EINVAL;
if (config_setup(i2s)) {
spin_unlock_irqrestore(&priv->lock, flags);
return -EINVAL;
if (priv->fixup_late)
priv->fixup_late(substream, dai);
if (capture)
i2s_rxctrl(i2s, 1);
else
i2s_txctrl(i2s, 1);
}
if (priv->fixup_late)
priv->fixup_late(substream, dai);
if (capture)
i2s_rxctrl(i2s, 1);
else
i2s_txctrl(i2s, 1);
spin_unlock_irqrestore(&priv->lock, flags);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
spin_lock_irqsave(&priv->lock, flags);
if (capture) {
i2s_rxctrl(i2s, 0);
i2s_fifo(i2s, FIC_RXFLUSH);
} else {
i2s_txctrl(i2s, 0);
i2s_fifo(i2s, FIC_TXFLUSH);
scoped_guard(spinlock_irqsave, &priv->lock) {
if (capture) {
i2s_rxctrl(i2s, 0);
i2s_fifo(i2s, FIC_RXFLUSH);
} else {
i2s_txctrl(i2s, 0);
i2s_fifo(i2s, FIC_TXFLUSH);
}
}
spin_unlock_irqrestore(&priv->lock, flags);
pm_runtime_put(dai->dev);
break;
}
@ -1056,7 +1041,6 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai);
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = get_other_dai(i2s);
unsigned long flags;
pm_runtime_get_sync(dai->dev);
@ -1079,13 +1063,13 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
i2s->rfs = 0;
i2s->bfs = 0;
spin_lock_irqsave(&priv->lock, flags);
i2s_txctrl(i2s, 0);
i2s_rxctrl(i2s, 0);
i2s_fifo(i2s, FIC_TXFLUSH);
i2s_fifo(other, FIC_TXFLUSH);
i2s_fifo(i2s, FIC_RXFLUSH);
spin_unlock_irqrestore(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock) {
i2s_txctrl(i2s, 0);
i2s_rxctrl(i2s, 0);
i2s_fifo(i2s, FIC_TXFLUSH);
i2s_fifo(other, FIC_TXFLUSH);
i2s_fifo(i2s, FIC_RXFLUSH);
}
/* Gate CDCLK by default */
if (!is_opened(other))
@ -1100,15 +1084,13 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai)
{
struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai);
struct i2s_dai *i2s = to_info(dai);
unsigned long flags;
pm_runtime_get_sync(dai->dev);
if (!is_secondary(i2s)) {
if (priv->quirks & QUIRK_NEED_RSTCLR) {
spin_lock_irqsave(&priv->lock, flags);
writel(0, priv->addr + I2SCON);
spin_unlock_irqrestore(&priv->lock, flags);
scoped_guard(spinlock_irqsave, &priv->lock)
writel(0, priv->addr + I2SCON);
}
}