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-rw-r--r--include/asm-arm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 8261ff9..1d3caa4 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -259,9 +259,11 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr);
#define BIOVEC_MERGEABLE(vec1, vec2) \
((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
+#ifdef CONFIG_MMU
#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
extern int valid_phys_addr_range(unsigned long addr, size_t size);
extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
+#endif
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
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