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diff -Nur linux-4.4.17.orig/arch/arm/mach-versatile/include/mach/hardware.h linux-4.4.17/arch/arm/mach-versatile/include/mach/hardware.h
--- linux-4.4.17.orig/arch/arm/mach-versatile/include/mach/hardware.h 2016-08-10 11:49:43.000000000 +0200
+++ linux-4.4.17/arch/arm/mach-versatile/include/mach/hardware.h 2016-08-25 23:19:03.691716292 +0200
@@ -30,8 +30,12 @@
#define VERSATILE_PCI_VIRT_BASE (void __iomem *)0xe8000000ul
#define VERSATILE_PCI_CFG_VIRT_BASE (void __iomem *)0xe9000000ul
+#ifdef CONFIG_MMU
/* macro to get at MMIO space when running virtually */
#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+#else
+#define IO_ADDRESS(x) (x)
+#endif
#define __io_address(n) ((void __iomem __force *)IO_ADDRESS(n))
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