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crypto: sahara - Use devm_ioremap_resource() 

Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jingoo Han 2014-02-12 13:23:37 +09:00 committed by Herbert Xu
parent 32af1e180f
commit 9e95275cf3
1 changed files with 3 additions and 16 deletions
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19
drivers/crypto/sahara.c
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@ -885,22 +885,9 @@ static int sahara_probe(struct platform_device *pdev)
/* Get the base address */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "failed to get memory region resource\n");
return -ENODEV;
}
if (devm_request_mem_region(&pdev->dev, res->start,
resource_size(res), SAHARA_NAME) == NULL) {
dev_err(&pdev->dev, "failed to request memory region\n");
return -ENOENT;
}
dev->regs_base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!dev->regs_base) {
dev_err(&pdev->dev, "failed to ioremap address region\n");
return -ENOENT;
}
dev->regs_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(dev->regs_base))
return PTR_ERR(dev->regs_base);
/* Get the IRQ */
irq = platform_get_irq(pdev, 0);