microblaze: add a dummy pgprot_noncached

Some device drivers call this, so add a macro
that pretends to do this. Since there is no
MMU support, it won't actually result in an
uncached mapping, though.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index 4df31e46568..254fd4ba733 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -27,6 +27,8 @@
 #define PAGE_READONLY           __pgprot(0) /* these mean nothing to non MMU */
 #define PAGE_KERNEL             __pgprot(0) /* these mean nothing to non MMU */
 
+#define pgprot_noncached(x)     (x)
+
 #define __swp_type(x)           (0)
 #define __swp_offset(x)         (0)
 #define __swp_entry(typ, off)   ((swp_entry_t) { ((typ) | ((off) << 7)) })