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ASoC: tegra: Use devm_ioremap_resource instead of open code

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Use devm_ioremap_resource() to simplify the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin
2015-08-23 23:32:14 +08:00
committed by Mark Brown
parent 5e9a3fcfa2
commit f57ddcdfa1
5 changed files with 23 additions and 111 deletions
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22
sound/soc/tegra/tegra20_spdif.c
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@@ -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;
@@ -285,10 +285,9 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "No memory resource\n");
return -ENODEV;
}
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) {
@@ -296,19 +295,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
return -ENODEV;
}
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");
return -EBUSY;
}
regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
if (!regs) {
dev_err(&pdev->dev, "ioremap failed\n");
return -ENOMEM;
}
spdif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
&tegra20_spdif_regmap_config);
if (IS_ERR(spdif->regmap)) {