aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/tegra/tegra20_i2s.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/tegra/tegra20_i2s.c')
-rw-r--r--sound/soc/tegra/tegra20_i2s.c20
1 files changed, 1 insertions, 19 deletions
diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c
index 364bf6a907e..1dc869c475e 100644
--- a/sound/soc/tegra/tegra20_i2s.c
+++ b/sound/soc/tegra/tegra20_i2s.c
@@ -339,9 +339,7 @@ static const struct regmap_config tegra20_i2s_regmap_config = {
static int tegra20_i2s_platform_probe(struct platform_device *pdev)
{
struct tegra20_i2s *i2s;
- struct resource *mem, *memregion, *dmareq;
- u32 of_dma[2];
- u32 dma_ch;
+ struct resource *mem, *memregion;
void __iomem *regs;
int ret;
@@ -370,20 +368,6 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
goto err_clk_put;
}
- dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);
- if (!dmareq) {
- if (of_property_read_u32_array(pdev->dev.of_node,
- "nvidia,dma-request-selector",
- of_dma, 2) < 0) {
- dev_err(&pdev->dev, "No DMA resource\n");
- ret = -ENODEV;
- goto err_clk_put;
- }
- dma_ch = of_dma[1];
- } else {
- dma_ch = dmareq->start;
- }
-
memregion = devm_request_mem_region(&pdev->dev, mem->start,
resource_size(mem), DRV_NAME);
if (!memregion) {
@@ -410,12 +394,10 @@ static int tegra20_i2s_platform_probe(struct platform_device *pdev)
i2s->capture_dma_data.addr = mem->start + TEGRA20_I2S_FIFO2;
i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
i2s->capture_dma_data.maxburst = 4;
- i2s->capture_dma_data.slave_id = dma_ch;
i2s->playback_dma_data.addr = mem->start + TEGRA20_I2S_FIFO1;
i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
i2s->playback_dma_data.maxburst = 4;
- i2s->playback_dma_data.slave_id = dma_ch;
pm_runtime_enable(&pdev->dev);
if (!pm_runtime_enabled(&pdev->dev)) {