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crypto: picoxcell - Use devm_ioremap_resource()

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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 13:28:59 +09:00 committed by Herbert Xu
parent 06e5a1f298
commit 32af1e180f
1 changed files with 5 additions and 11 deletions
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16
drivers/crypto/picoxcell_crypto.c
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@ -1720,22 +1720,16 @@ static int spacc_probe(struct platform_device *pdev)
engine->name = dev_name(&pdev->dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
engine->regs = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(engine->regs))
return PTR_ERR(engine->regs);
irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!mem || !irq) {
if (!irq) {
dev_err(&pdev->dev, "no memory/irq resource for engine\n");
return -ENXIO;
}
if (!devm_request_mem_region(&pdev->dev, mem->start, resource_size(mem),
engine->name))
return -ENOMEM;
engine->regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
if (!engine->regs) {
dev_err(&pdev->dev, "memory map failed\n");
return -ENOMEM;
}
if (devm_request_irq(&pdev->dev, irq->start, spacc_spacc_irq, 0,
engine->name, engine)) {
dev_err(engine->dev, "failed to request IRQ\n");