ASoC: samsung: i2s: Move registers cache to common driver data structure
[platform/kernel/linux-exynos.git] / sound / soc / samsung / i2s.c
index 6af1e97..01e9512 100644 (file)
@@ -86,9 +86,6 @@ struct i2s_dai {
        struct snd_dmaengine_dai_dma_data idma_playback;
        dma_filter_fn filter;
        u32     quirks;
-       u32     suspend_i2smod;
-       u32     suspend_i2scon;
-       u32     suspend_i2spsr;
        const struct samsung_i2s_variant_regs *variant_regs;
 
        spinlock_t *lock;
@@ -120,6 +117,11 @@ struct samsung_i2s_priv {
        /* Rate of RCLK source clock */
        unsigned long rclk_srcrate;
 
+       /* Cache of selected I2S registers for system suspend */
+       u32 suspend_i2smod;
+       u32 suspend_i2scon;
+       u32 suspend_i2spsr;
+
        /* The clock provider's data */
        struct clk *clk_table[3];
        struct clk_onecell_data clk_data;
@@ -1204,9 +1206,9 @@ static int i2s_runtime_suspend(struct device *dev)
        struct samsung_i2s_priv *priv = dev_get_drvdata(dev);
        struct i2s_dai *i2s = samsung_i2s_get_pri_dai(dev);
 
-       i2s->suspend_i2smod = readl(i2s->addr + I2SMOD);
-       i2s->suspend_i2scon = readl(i2s->addr + I2SCON);
-       i2s->suspend_i2spsr = readl(i2s->addr + I2SPSR);
+       priv->suspend_i2smod = readl(i2s->addr + I2SMOD);
+       priv->suspend_i2scon = readl(i2s->addr + I2SCON);
+       priv->suspend_i2spsr = readl(i2s->addr + I2SPSR);
 
        if (priv->op_clk)
                clk_disable_unprepare(priv->op_clk);
@@ -1233,9 +1235,9 @@ static int i2s_runtime_resume(struct device *dev)
                }
        }
 
-       writel(i2s->suspend_i2scon, i2s->addr + I2SCON);
-       writel(i2s->suspend_i2smod, i2s->addr + I2SMOD);
-       writel(i2s->suspend_i2spsr, i2s->addr + I2SPSR);
+       writel(priv->suspend_i2scon, i2s->addr + I2SCON);
+       writel(priv->suspend_i2smod, i2s->addr + I2SMOD);
+       writel(priv->suspend_i2spsr, i2s->addr + I2SPSR);
 
        return 0;
 }