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]>
Cc: David Brownell <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 46da5714932c3e15f9607058a4855aeba02f6e3d..5ab3492817d16b0574202380b9ddb2a394042ba5 100644 (file)
--- 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;