[PATCH] m48t86: ia64 build fix

From: Andrew Morton <akpm@osdl.org>

drivers/rtc/rtc-m48t86.c: In function `m48t86_rtc_read_time':
drivers/rtc/rtc-m48t86.c:51: error: structure has no member named `ia64_mv'
drivers/rtc/rtc-m48t86.c:55: error: structure has no member named `ia64_mv'
drivers/rtc/rtc-m48t86.c:56: error: structure has no member named `ia64_mv'
drivers/rtc/rtc-m48t86.c:57: error: structure has no member named `ia64_mv'
drivers/rtc/rtc-m48t86.c:58: error: structure has no member named `ia64_mv'
drivers/rtc/rtc-m48t86.c:60: error: structure has no member named `ia64_mv'

readb() and writeb() are macros on ia64.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/m48t86.h b/include/linux/m48t86.h
index 9065199..915d6b4 100644
--- a/include/linux/m48t86.h
+++ b/include/linux/m48t86.h
@@ -11,6 +11,6 @@
 
 struct m48t86_ops
 {
-	void (*writeb)(unsigned char value, unsigned long addr);
-	unsigned char (*readb)(unsigned long addr);
+	void (*writebyte)(unsigned char value, unsigned long addr);
+	unsigned char (*readbyte)(unsigned long addr);
 };