[PATCH] rtc: rtc-ds1553.c should use resource_size_t for base address

Currently the rtc driver, rtc-ds1552.c uses an unsigned long to store
the base mmio address of the NVRAM/RTC.  This breaks on 32-bit systems
with larger physical addresses.

Signed-off-by: Atsushi Nemoto <[email protected]>
---
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 46da571..5ab3492 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -61,7 +61,7 @@
 struct rtc_plat_data {
 	struct rtc_device *rtc;
 	void __iomem *ioaddr;
-	unsigned long baseaddr;
+	resource_size_t baseaddr;
 	unsigned long last_jiffies;
 	int irq;
 	unsigned int irqen;
-
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