Commit 25e2818e authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Linus Torvalds
Browse files

drivers/rtc/rtc-ds1742.c: use devm_ioremap_resource() 



Replace devm_request_mem_region() and devm_ioremap() with
devm_ioremap_resource().

Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 28984c7d

drivers/rtc/rtc-ds1742.c

+6 −12
Original line number Diff line number Diff line
@@ -56,7 +56,6 @@ struct rtc_plat_data { 
	void __iomem *ioaddr_nvram;

	void __iomem *ioaddr_rtc;

	size_t size_nvram;

	size_t size;

	unsigned long last_jiffies;

	struct bin_attribute nvram_attr;

};
@@ -168,22 +167,17 @@ static int ds1742_rtc_probe(struct platform_device *pdev) 
	void __iomem *ioaddr;

	int ret = 0;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res)

		return -ENODEV;

	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);

	if (!pdata)

		return -ENOMEM;

	pdata->size = resource_size(res);

	if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,

		pdev->name))

		return -EBUSY;

	ioaddr = devm_ioremap(&pdev->dev, res->start, pdata->size);

	if (!ioaddr)

		return -ENOMEM;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	ioaddr = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(ioaddr))

		return PTR_ERR(ioaddr);



	pdata->ioaddr_nvram = ioaddr;

	pdata->size_nvram = pdata->size - RTC_SIZE;

	pdata->size_nvram = resource_size(res) - RTC_SIZE;

	pdata->ioaddr_rtc = ioaddr + pdata->size_nvram;



	sysfs_bin_attr_init(&pdata->nvram_attr);