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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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23
sound/soc/tegra/tegra20_das.c
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@@ -133,7 +133,7 @@ static const struct regmap_config tegra20_das_regmap_config = {
static int tegra20_das_probe(struct platform_device *pdev)
{
struct resource *res, *region;
struct resource *res;
void __iomem *regs;
int ret = 0;
@@ -149,24 +149,9 @@ static int tegra20_das_probe(struct platform_device *pdev)
das->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "No memory resource\n");
ret = -ENODEV;
goto err;
}
region = devm_request_mem_region(&pdev->dev, res->start,
resource_size(res), pdev->name);
if (!region) {
dev_err(&pdev->dev, "Memory region already claimed\n");
ret = -EBUSY;
goto err;
}
regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!regs) {
dev_err(&pdev->dev, "ioremap failed\n");
ret = -ENOMEM;
regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(regs)) {
ret = PTR_ERR(regs);
goto err;
}