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Commit 3e692a94 authored by Jingoo Han's avatar Jingoo Han Committed by Tejun Heo
Browse files

ata: pata_samsung_cf: 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: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 15e5318c

drivers/ata/pata_samsung_cf.c

+3 −15
Original line number Diff line number Diff line
@@ -531,22 +531,10 @@ static int __init pata_s3c_probe(struct platform_device *pdev) 
	info->irq = platform_get_irq(pdev, 0);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (res == NULL) {

		dev_err(dev, "failed to get mem resource\n");

		return -EINVAL;

	}



	if (!devm_request_mem_region(dev, res->start,

				resource_size(res), DRV_NAME)) {

		dev_err(dev, "error requesting register region\n");

		return -EBUSY;

	}



	info->ide_addr = devm_ioremap(dev, res->start, resource_size(res));

	if (!info->ide_addr) {

		dev_err(dev, "failed to map IO base address\n");

		return -ENOMEM;

	}

	info->ide_addr = devm_ioremap_resource(dev, res);

	if (IS_ERR(info->ide_addr))

		return PTR_ERR(info->ide_addr);



	info->clk = devm_clk_get(&pdev->dev, "cfcon");

	if (IS_ERR(info->clk)) {