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-rw-r--r--arch/xtensa/include/asm/io.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index e6be5b9..700c2e6 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -62,6 +62,10 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
static inline void iounmap(volatile void __iomem *addr)
{
}
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
#endif /* CONFIG_MMU */
/*
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