As we now have the 'priv' pointer in most of the places we can use priv->lock directly, dropping extra indirection in the SFR region spinlock access.
Signed-off-by: Sylwester Nawrocki s.nawrocki@samsung.com Acked-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/samsung/i2s.c | 51 +++++++++++++++++++---------------------- 1 file changed, 24 insertions(+), 27 deletions(-)
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 3f8955608a94..cf8615e23879 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -87,8 +87,6 @@ struct i2s_dai { u32 quirks; const struct samsung_i2s_variant_regs *variant_regs;
- spinlock_t *lock; - struct samsung_i2s_priv *priv; };
@@ -103,7 +101,7 @@ struct samsung_i2s_priv { void __iomem *addr;
/* Spinlock protecting access to the device's registers */ - spinlock_t spinlock; + spinlock_t lock;
/* CPU DAIs and their corresponding drivers */ struct i2s_dai *dai; @@ -527,9 +525,9 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int rfs,
pm_runtime_get_sync(dai->dev);
- spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); mod = readl(priv->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags);
switch (clk_id) { case SAMSUNG_I2S_OPCLK: @@ -624,11 +622,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int rfs, goto err; }
- spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); mod = readl(priv->addr + I2SMOD); mod = (mod & ~mask) | val; writel(mod, priv->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); done: pm_runtime_put(dai->dev);
@@ -709,7 +707,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) }
pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); mod = readl(priv->addr + I2SMOD); /* * Don't change the I2S mode if any controller is active on this @@ -717,7 +715,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) */ if (any_active(i2s) && ((mod & (sdf_mask | lrp_rlow | mod_slave)) != tmp)) { - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev); dev_err(&i2s->pdev->dev, "%s:%d Other DAI busy\n", __func__, __LINE__); @@ -727,7 +725,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) mod &= ~(sdf_mask | lrp_rlow | mod_slave); mod |= tmp; writel(mod, priv->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev);
return 0; @@ -812,11 +810,11 @@ static int i2s_hw_params(struct snd_pcm_substream *substream, return -EINVAL; }
- spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); mod = readl(priv->addr + I2SMOD); mod = (mod & ~mask) | val; writel(mod, priv->addr + I2SMOD); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags);
snd_soc_dai_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
@@ -944,6 +942,7 @@ static int config_setup(struct i2s_dai *i2s) static int i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); struct snd_soc_pcm_runtime *rtd = substream->private_data; struct i2s_dai *i2s = to_info(rtd->cpu_dai); @@ -954,10 +953,10 @@ static int i2s_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: pm_runtime_get_sync(dai->dev); - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags);
if (config_setup(i2s)) { - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); return -EINVAL; }
@@ -966,12 +965,12 @@ static int i2s_trigger(struct snd_pcm_substream *substream, else i2s_txctrl(i2s, 1);
- spin_unlock_irqrestore(i2s->lock, flags); + 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(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags);
if (capture) { i2s_rxctrl(i2s, 0); @@ -981,7 +980,7 @@ static int i2s_trigger(struct snd_pcm_substream *substream, i2s_fifo(i2s, FIC_TXFLUSH); }
- spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); pm_runtime_put(dai->dev); break; } @@ -1081,13 +1080,13 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) i2s->rfs = 0; i2s->bfs = 0;
- spin_lock_irqsave(i2s->lock, flags); + 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(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags);
/* Gate CDCLK by default */ if (!is_opened(other)) @@ -1108,9 +1107,9 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai)
if (!is_secondary(i2s)) { if (i2s->quirks & QUIRK_NEED_RSTCLR) { - spin_lock_irqsave(i2s->lock, flags); + spin_lock_irqsave(&priv->lock, flags); writel(0, priv->addr + I2SCON); - spin_unlock_irqrestore(i2s->lock, flags); + spin_unlock_irqrestore(&priv->lock, flags); } }
@@ -1317,13 +1316,13 @@ static int i2s_register_clock_provider(struct samsung_i2s_priv *priv) ARRAY_SIZE(p_names), CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, priv->addr + I2SMOD, reg_info->rclksrc_off, - 1, 0, i2s->lock); + 1, 0, &priv->lock);
priv->clk_table[CLK_I2S_RCLK_PSR] = clk_register_divider(dev, i2s_clk_name[CLK_I2S_RCLK_PSR], i2s_clk_name[CLK_I2S_RCLK_SRC], CLK_SET_RATE_PARENT, - priv->addr + I2SPSR, 8, 6, 0, i2s->lock); + priv->addr + I2SPSR, 8, 6, 0, &priv->lock);
p_names[0] = i2s_clk_name[CLK_I2S_RCLK_PSR]; priv->clk_data.clk_num = 2; @@ -1333,7 +1332,7 @@ static int i2s_register_clock_provider(struct samsung_i2s_priv *priv) i2s_clk_name[CLK_I2S_CDCLK], p_names[0], CLK_SET_RATE_PARENT, priv->addr + I2SMOD, reg_info->cdclkcon_off, - CLK_GATE_SET_TO_DISABLE, i2s->lock); + CLK_GATE_SET_TO_DISABLE, &priv->lock);
priv->clk_data.clk_num += 1; priv->clk_data.clks = priv->clk_table; @@ -1411,8 +1410,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai = &priv->dai[SAMSUNG_I2S_ID_PRIMARY - 1];
- spin_lock_init(&priv->spinlock); - pri_dai->lock = &priv->spinlock; + spin_lock_init(&priv->lock);
if (!np) { if (i2s_pdata == NULL) { @@ -1474,7 +1472,6 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (quirks & QUIRK_SEC_DAI) { sec_dai = &priv->dai[SAMSUNG_I2S_ID_SECONDARY - 1];
- sec_dai->lock = &priv->spinlock; sec_dai->variant_regs = pri_dai->variant_regs; sec_dai->dma_playback.addr = regs_base + I2STXDS; sec_dai->dma_playback.chan_name = "tx-sec";