These macros are required for generic mmap.c implementation created by:
commit f719582435af ("PCI: Add pci_mmap_resource_range() and use it for
ARM64") which Microblaze is going to use.

Reported-by: kbuild test robot <fengguang...@intel.com>
Suggested-by: David Woodhouse <d...@amazon.co.uk>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---

 arch/microblaze/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/microblaze/include/asm/pgtable.h 
b/arch/microblaze/include/asm/pgtable.h
index e53b8532353c..db8b1fa83452 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -33,6 +33,8 @@
 #define PAGE_KERNEL            __pgprot(0) /* these mean nothing to non MMU */
 
 #define pgprot_noncached(x)    (x)
+#define pgprot_writecombine    pgprot_noncached
+#define pgprot_device          pgprot_noncached
 
 #define __swp_type(x)          (0)
 #define __swp_offset(x)                (0)
-- 
1.9.1

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