Convert the xtensa architecture to make use of the new asm-generic/io.h
to provide address mapping functions. As the generic implementations are
suitable for xtensa this is primarily a matter of moving code.
This has only been build-tested, feedback from architecture maintainers
is welcome.
Signed-off-by: Paul Burton <paul.bur...@imgtec.com>
Cc: Max Filippov <jcmvb...@gmail.com>
---
arch/xtensa/include/asm/io.h | 25 ++-----------------------
1 file changed, 2 insertions(+), 23 deletions(-)
diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index e34d6e1..c9e335f 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -115,29 +115,6 @@ void outsl(unsigned long port, const void *src, unsigned
long count);
*/
#define xlate_dev_kmem_ptr(p) p
-#define MAP_NOCACHE (0)
-#define MAP_WRCOMBINE (0)
-#define MAP_WRBACK (0)
-#define MAP_WRTHROUGH (0)
-
-static inline void *
-map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
-{
- return (void *)paddr;
-}
-
-/*
- * Take down a mapping set up by map_physmem().
- */
-static inline void unmap_physmem(void *vaddr, unsigned long flags)
-{
-}
-
-static inline phys_addr_t virt_to_phys(void *vaddr)
-{
- return (phys_addr_t)((unsigned long)vaddr);
-}
-
/*
* Dummy function to keep U-Boot's cfi_flash.c driver happy.
*/
@@ -145,4 +122,6 @@ static inline void sync(void)
{
}
+#include <asm-generic/io.h>
+
#endif /* _XTENSA_IO_H */
--
2.10.0
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