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Diffstat (limited to 'sound/soc/amd/raven/acp3x-pcm-dma.c')
-rw-r--r--sound/soc/amd/raven/acp3x-pcm-dma.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c
index 905ed2f1861b..bc4dfafdfcd1 100644
--- a/sound/soc/amd/raven/acp3x-pcm-dma.c
+++ b/sound/soc/amd/raven/acp3x-pcm-dma.c
@@ -31,8 +31,8 @@ struct i2s_stream_instance {
u16 num_pages;
u16 channels;
u32 xfer_resolution;
- struct page *pg;
u64 bytescount;
+ dma_addr_t dma_addr;
void __iomem *acp3x_base;
};
@@ -211,9 +211,8 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id)
static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction)
{
u16 page_idx;
- u64 addr;
u32 low, high, val, acp_fifo_addr;
- struct page *pg = rtd->pg;
+ dma_addr_t addr = rtd->dma_addr;
/* 8 scratch registers used to map one 64 bit address */
if (direction == SNDRV_PCM_STREAM_PLAYBACK)
@@ -229,7 +228,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction)
for (page_idx = 0; page_idx < rtd->num_pages; page_idx++) {
/* Load the low address of page int ACP SRAM through SRBM */
- addr = page_to_phys(pg);
low = lower_32_bits(addr);
high = upper_32_bits(addr);
@@ -239,7 +237,7 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction)
+ 4);
/* Move to next physically contiguos page */
val += 8;
- pg++;
+ addr += PAGE_SIZE;
}
if (direction == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -341,7 +339,6 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream *substream,
{
int status;
u64 size;
- struct page *pg;
struct snd_pcm_runtime *runtime = substream->runtime;
struct i2s_stream_instance *rtd = runtime->private_data;
@@ -354,9 +351,8 @@ static int acp3x_dma_hw_params(struct snd_pcm_substream *substream,
return status;
memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
- pg = virt_to_page(substream->dma_buffer.area);
- if (pg) {
- rtd->pg = pg;
+ if (substream->dma_buffer.area) {
+ rtd->dma_addr = substream->dma_buffer.addr;
rtd->num_pages = (PAGE_ALIGN(size) >> PAGE_SHIFT);
config_acp3x_dma(rtd, substream->stream);
status = 0;