These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / soc / samsung / i2s.c

diff --git a/kernel/sound/soc/samsung/i2s.c b/kernel/sound/soc/samsung/i2s.c
index b92ab40..7dbf899 100644 (file)
--- a/kernel/sound/soc/samsung/i2s.c
+++ b/kernel/sound/soc/samsung/i2s.c
@@ -480,10 +480,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
        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;
 
-       spin_lock(i2s->lock);
+       spin_lock_irqsave(i2s->lock, flags);
        mod = readl(i2s->addr + I2SMOD);
-       spin_unlock(i2s->lock);
+       spin_unlock_irqrestore(i2s->lock, flags);
 
        switch (clk_id) {
        case SAMSUNG_I2S_OPCLK:
@@ -574,11 +575,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
                return -EINVAL;
        }
 
-       spin_lock(i2s->lock);
+       spin_lock_irqsave(i2s->lock, flags);
        mod = readl(i2s->addr + I2SMOD);
        mod = (mod & ~mask) | val;
        writel(mod, i2s->addr + I2SMOD);
-       spin_unlock(i2s->lock);
+       spin_unlock_irqrestore(i2s->lock, flags);
 
        return 0;
 }
@@ -589,6 +590,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
        struct i2s_dai *i2s = to_info(dai);
        int lrp_shift, sdf_shift, sdf_mask, lrp_rlow, mod_slave;
        u32 mod, tmp = 0;
+       unsigned long flags;
 
        lrp_shift = i2s->variant_regs->lrp_off;
        sdf_shift = i2s->variant_regs->sdf_off;
@@ -648,7 +650,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
                return -EINVAL;
        }
 
-       spin_lock(i2s->lock);
+       spin_lock_irqsave(i2s->lock, flags);
        mod = readl(i2s->addr + I2SMOD);
        /*
         * Don't change the I2S mode if any controller is active on this
@@ -656,7 +658,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
         */
        if (any_active(i2s) &&
                ((mod & (sdf_mask | lrp_rlow | mod_slave)) != tmp)) {
-               spin_unlock(i2s->lock);
+               spin_unlock_irqrestore(i2s->lock, flags);
                dev_err(&i2s->pdev->dev,
                                "%s:%d Other DAI busy\n", __func__, __LINE__);
                return -EAGAIN;
@@ -665,7 +667,7 @@ static int i2s_set_fmt(struct snd_soc_dai *dai,
        mod &= ~(sdf_mask | lrp_rlow | mod_slave);
        mod |= tmp;
        writel(mod, i2s->addr + I2SMOD);
-       spin_unlock(i2s->lock);
+       spin_unlock_irqrestore(i2s->lock, flags);
 
        return 0;
 }
@@ -675,6 +677,7 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
 {
        struct i2s_dai *i2s = to_info(dai);
        u32 mod, mask = 0, val = 0;
+       unsigned long flags;
 
        if (!is_secondary(i2s))
                mask |= (MOD_DC2_EN | MOD_DC1_EN);
@@ -743,11 +746,11 @@ static int i2s_hw_params(struct snd_pcm_substream *substream,
                return -EINVAL;
        }
 
-       spin_lock(i2s->lock);
+       spin_lock_irqsave(i2s->lock, flags);
        mod = readl(i2s->addr + I2SMOD);
        mod = (mod & ~mask) | val;
        writel(mod, i2s->addr + I2SMOD);
-       spin_unlock(i2s->lock);
+       spin_unlock_irqrestore(i2s->lock, flags);
 
        samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
 
@@ -1493,7 +1496,7 @@ static const struct samsung_i2s_dai_data samsung_dai_type_sec = {
        .dai_type = TYPE_SEC,
 };
 
-static struct platform_device_id samsung_i2s_driver_ids[] = {
+static const struct platform_device_id samsung_i2s_driver_ids[] = {
        {
                .name           = "samsung-i2s",
                .driver_data    = (kernel_ulong_t)&i2sv3_dai_type,