1 files changed, 2 insertions, 4 deletions

diff --git a/arch/arm/mach-sa1100/include/mach/io.h b/arch/arm/mach-sa1100/include/mach/io.h
index d8b43f3dcd2d..dfc27ff08344 100644
--- a/arch/arm/mach-sa1100/include/mach/io.h
+++ b/arch/arm/mach-sa1100/include/mach/io.h
@@ -10,11 +10,9 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#define IO_SPACE_LIMIT 0xffffffff
-
 /*
- * We don't actually have real ISA nor PCI buses, but there is so many 
- * drivers out there that might just work if we fake them...
+ * __io() is required to be an equivalent mapping to __mem_pci() for
+ * SOC_COMMON to work.
  */
 #define __io(a)         __typesafe_io(a)
 #define __mem_pci(a)    (a)