Davinci: da8xx: rtc - use ioremap

This patch modifies the RTC unlock code to use ioremap() maps instead of
IO_ADDRESS() translation.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 67a6fbcb2e09..8cda729be273 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 -ENOMEM;
 
         /* 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)