[PATCH] x86_64: Fix some readl/writel warnings

Fix lots of readl/writel warnings in arch/x86_64
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/early_printk.c

@@ -10,7 +10,7 @@
 #ifdef __i386__
 #define VGABASE		(__ISA_IO_base + 0xb8000)
 #else
-#define VGABASE		0xffffffff800b8000UL
+#define VGABASE		((void *)0xffffffff800b8000UL)
 #endif
 
 #define MAX_YPOS	25

arch/x86_64/kernel/vsyscall.c

@@ -89,7 +89,7 @@ static force_inline void do_vgettimeofday(struct timeval * tv)
 				 __vxtime.tsc_quot) >> 32;
 			/* See comment in x86_64 do_gettimeofday. */ 
 		} else {
-			usec += ((readl(fix_to_virt(VSYSCALL_HPET) + 0xf0) -
+			usec += ((readl((void *)fix_to_virt(VSYSCALL_HPET) + 0xf0) -
 				  __vxtime.last) * __vxtime.quot) >> 32;
 		}
 	} while (read_seqretry(&__xtime_lock, sequence));

include/asm-x86_64/vsyscall.h

@@ -36,8 +36,8 @@ struct vxtime_data {
 	int mode;
 };
 
-#define hpet_readl(a)           readl(fix_to_virt(FIX_HPET_BASE) + a)
-#define hpet_writel(d,a)        writel(d, fix_to_virt(FIX_HPET_BASE) + a)
+#define hpet_readl(a)           readl((void *)fix_to_virt(FIX_HPET_BASE) + a)
+#define hpet_writel(d,a)        writel(d, (void *)fix_to_virt(FIX_HPET_BASE) + a)
 
 /* vsyscall space (readonly) */
 extern struct vxtime_data __vxtime;