x86: __iomem annotations

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/ioremap_32.c b/arch/x86/mm/ioremap_32.c
index ae7e55c..5273ac4 100644
--- a/arch/x86/mm/ioremap_32.c
+++ b/arch/x86/mm/ioremap_32.c
@@ -81,7 +81,7 @@
 	 * Don't remap the low PCI/ISA area, it's always mapped..
 	 */
 	if (phys_addr >= ISA_START_ADDRESS && last_addr < ISA_END_ADDRESS)
-		return (void __iomem *) phys_to_virt(phys_addr);
+		return (__force void __iomem *)phys_to_virt(phys_addr);
 
 	/*
 	 * Don't allow anybody to remap normal RAM that we're using..