* [PATCH] microblaze: Provide pgprot_device/writecombine macros for nommu
@ 2018-02-23 9:21 Michal Simek
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From: Michal Simek @ 2018-02-23 9:21 UTC (permalink / raw)
To: linux-kernel, monstr; +Cc: David Woodhouse
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.wu@intel.com>
Suggested-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Michal Simek <michal.simek@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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2018-02-23 9:21 [PATCH] microblaze: Provide pgprot_device/writecombine macros for nommu Michal Simek
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