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path: root/sound/soc/tegra/tegra20_spdif.c
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Diffstat (limited to 'sound/soc/tegra/tegra20_spdif.c')
-rw-r--r--sound/soc/tegra/tegra20_spdif.c47
1 files changed, 11 insertions, 36 deletions
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 9141477a528d..a0c3640572b9 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -265,7 +265,7 @@ static const struct regmap_config tegra20_spdif_regmap_config = {
static int tegra20_spdif_platform_probe(struct platform_device *pdev)
{
struct tegra20_spdif *spdif;
- struct resource *mem, *memregion, *dmareq;
+ struct resource *mem, *dmareq;
void __iomem *regs;
int ret;
@@ -273,45 +273,26 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!spdif) {
dev_err(&pdev->dev, "Can't allocate tegra20_spdif\n");
- ret = -ENOMEM;
- goto err;
+ return -ENOMEM;
}
dev_set_drvdata(&pdev->dev, spdif);
- spdif->clk_spdif_out = clk_get(&pdev->dev, "spdif_out");
+ spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "spdif_out");
if (IS_ERR(spdif->clk_spdif_out)) {
pr_err("Can't retrieve spdif clock\n");
ret = PTR_ERR(spdif->clk_spdif_out);
- goto err;
+ return ret;
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "No memory resource\n");
- ret = -ENODEV;
- goto err_clk_put;
- }
+ regs = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);
if (!dmareq) {
dev_err(&pdev->dev, "No DMA resource\n");
- ret = -ENODEV;
- goto err_clk_put;
- }
-
- memregion = devm_request_mem_region(&pdev->dev, mem->start,
- resource_size(mem), DRV_NAME);
- if (!memregion) {
- dev_err(&pdev->dev, "Memory region already claimed\n");
- ret = -EBUSY;
- goto err_clk_put;
- }
-
- regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
- if (!regs) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err_clk_put;
+ return -ENODEV;
}
spdif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
@@ -319,7 +300,7 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
if (IS_ERR(spdif->regmap)) {
dev_err(&pdev->dev, "regmap init failed\n");
ret = PTR_ERR(spdif->regmap);
- goto err_clk_put;
+ return ret;
}
spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT;
@@ -335,7 +316,7 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
}
ret = snd_soc_register_component(&pdev->dev, &tegra20_spdif_component,
- &tegra20_spdif_dai, 1);
+ &tegra20_spdif_dai, 1);
if (ret) {
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
ret = -ENOMEM;
@@ -357,16 +338,12 @@ err_suspend:
tegra20_spdif_runtime_suspend(&pdev->dev);
err_pm_disable:
pm_runtime_disable(&pdev->dev);
-err_clk_put:
- clk_put(spdif->clk_spdif_out);
-err:
+
return ret;
}
static int tegra20_spdif_platform_remove(struct platform_device *pdev)
{
- struct tegra20_spdif *spdif = dev_get_drvdata(&pdev->dev);
-
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
tegra20_spdif_runtime_suspend(&pdev->dev);
@@ -374,8 +351,6 @@ static int tegra20_spdif_platform_remove(struct platform_device *pdev)
tegra_pcm_platform_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
- clk_put(spdif->clk_spdif_out);
-
return 0;
}