--- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -328,7 +328,7 @@ __ioremap_mode(phys_addr_t offset, unsig #else #define __ioremap(offset, size, prot) ((void __iomem *)(offset)) #define __ioremap_mode(offset, size, prot) ((void __iomem *)(offset)) -#define iounmap(addr) do { } while (0) +static inline void iounmap(void __iomem *addr) {} #endif /* CONFIG_MMU */ static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)