xtensa: use physical addresses for bus addresses



Define virt_to_bus and bus_to_virt as virt_to_phys, and phys_to_virt,
       respectively.

Signed-off-by: Chris Zankel <chris@zankel.net>

parent 2f72d4f6

arch/xtensa/include/asm/io.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -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 */

		/*