There is no need to keep the PM suspend/resume register cache separate for each DAI as those registers are common, move related i2s_dai data structure to the driver's common data structure. This will allow us to simplify the code a little eventually and to make it easier to follow.
Signed-off-by: Sylwester Nawrocki s.nawrocki@samsung.com Acked-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/samsung/i2s.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index d8414d781f83..72f0cb7abb30 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -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; @@ -1205,9 +1207,9 @@ 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); @@ -1234,9 +1236,9 @@ 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; }