Convert the blackfin architecture to make use of the new
asm-generic/io.h to provide address mapping functions. As the generic
implementations are suitable for blackfin this is primarily a matter of
removing code.
Feedback from architecture maintainers is welcome.
Signed-off-by: Paul Burton <paul.bur...@imgtec.com>
Cc: Sonic Zhang <sonic....@gmail.com>
---
arch/blackfin/include/asm/io.h | 31 ++-----------------------------
1 file changed, 2 insertions(+), 29 deletions(-)
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index d3337e4..dad8ac6 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -20,35 +20,6 @@ static inline void sync(void)
}
/*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
- */
-#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)(vaddr);
-}
-
-/*
* These are for ISA/PCI shared memory _only_ and should never be used
* on any other type of memory, including Zorro memory. They are meant to
* access the bus in the bus byte order which is little-endian!.
@@ -223,6 +194,8 @@ extern void cf_outb(unsigned char val, volatile unsigned
char *addr);
#endif
+#include <asm-generic/io.h>
+
#endif /* __KERNEL__ */
#endif
--
2.10.0
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