From 3e692a942f6eb0ec0151449e6c5fb88ffc854b6d Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Thu, 2 Jan 2014 17:24:03 +0900 Subject: 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: Jingoo Han Signed-off-by: Tejun Heo --- drivers/ata/pata_samsung_cf.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) (limited to 'drivers/ata') diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c index cd2746b169a..7d2142fbcbb 100644 --- a/drivers/ata/pata_samsung_cf.c +++ b/drivers/ata/pata_samsung_cf.c @@ -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)) { -- cgit v1.2.3