2 files changed, 2 insertions, 2 deletions

diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 1d560390e282..731f19603cad 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
         patch_kernel_fault_handler();
 }
 
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
 
 void __init sun4c_probe_memerr_reg(void)
 {
diff --git a/include/asm-sparc/memreg.h b/include/asm-sparc/memreg.h
index c0498d3baf93..5fb95c828da6 100644
--- a/include/asm-sparc/memreg.h
+++ b/include/asm-sparc/memreg.h
@@ -36,7 +36,7 @@
 
 /* Memory parity error register with associated bit constants. */
 #ifndef __ASSEMBLY__
-extern __volatile__ unsigned long *sun4c_memerr_reg;
+extern __volatile__ unsigned long __iomem *sun4c_memerr_reg;
 #endif
 
 #define SUN4C_MPE_ERROR 0x80    /* Parity error detected. (ro) */