ARM: io: RiscPC: make EASI_BASE a void iomem pointer

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index 580b3c7..1e0e60d 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -74,7 +74,7 @@
 		.length		= 	IO_SIZE	 ,
 		.type		= MT_DEVICE
 	}, {	/* EASI space	*/
-		.virtual	= EASI_BASE,
+		.virtual	= (unsigned long)EASI_BASE,
 		.pfn		= __phys_to_pfn(EASI_START),
 		.length		= EASI_SIZE,
 		.type		= MT_DEVICE