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Diffstat (limited to 'sound/soc/kirkwood/kirkwood-dma.c')
-rw-r--r--sound/soc/kirkwood/kirkwood-dma.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index cd33de1c5b7a..df12e0993f5a 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -94,9 +94,10 @@ static irqreturn_t kirkwood_dma_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
- unsigned long dma,
- struct mbus_dram_target_info *dram)
+static void
+kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
+ unsigned long dma,
+ const struct mbus_dram_target_info *dram)
{
int i;
@@ -106,7 +107,7 @@ static void kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
/* try to find matching cs for current dma address */
for (i = 0; i < dram->num_cs; i++) {
- struct mbus_dram_window *cs = dram->cs + i;
+ const struct mbus_dram_window *cs = dram->cs + i;
if ((cs->base & 0xffff0000) < (dma & 0xffff0000)) {
writel(cs->base & 0xffff0000,
base + KIRKWOOD_AUDIO_WIN_BASE_REG(win));
@@ -127,6 +128,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct kirkwood_dma_data *priv;
struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
+ const struct mbus_dram_target_info *dram;
unsigned long addr;
priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
@@ -175,15 +177,16 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
writel((unsigned long)-1, priv->io + KIRKWOOD_ERR_MASK);
}
+ dram = mv_mbus_dram_info();
addr = virt_to_phys(substream->dma_buffer.area);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
prdata->play_stream = substream;
kirkwood_dma_conf_mbus_windows(priv->io,
- KIRKWOOD_PLAYBACK_WIN, addr, priv->dram);
+ KIRKWOOD_PLAYBACK_WIN, addr, dram);
} else {
prdata->rec_stream = substream;
kirkwood_dma_conf_mbus_windows(priv->io,
- KIRKWOOD_RECORD_WIN, addr, priv->dram);
+ KIRKWOOD_RECORD_WIN, addr, dram);
}
return 0;