[RFC,08/22] Davinci: da8xx: rtc - use ioremap

Commit Message

Cyril Chemparathy April 29, 2010, 10:27 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 0a96791..825a7c2 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -584,10 +584,17 @@  static struct platform_device da8xx_rtc_device = {
 int da8xx_register_rtc(void)
 {
 	int ret;
+	void __iomem *base;
+
+	base = ioremap(DA8XX_RTC_BASE, SZ_4K);
+	if (WARN_ON(!base))
+		return -EINVAL;
 
 	/* Unlock the rtc's registers */
-	__raw_writel(0x83e70b13, IO_ADDRESS(DA8XX_RTC_BASE + 0x6c));
-	__raw_writel(0x95a4f1e0, IO_ADDRESS(DA8XX_RTC_BASE + 0x70));
+	__raw_writel(0x83e70b13, base + 0x6c);
+	__raw_writel(0x95a4f1e0, base + 0x70);
+
+	iounmap(base);
 
 	ret = platform_device_register(&da8xx_rtc_device);
 	if (!ret)