Convert the arm architecture to make use of the new asm-generic/io.h to
provide address mapping functions. As the generic implementations are
suitable for arm this is primarily a matter of removing code.
This has only been build-tested, feedback from architecture maintainers
is welcome.
Signed-off-by: Paul Burton <paul.bur...@imgtec.com>
Cc: Albert Aribaud <albert.u.b...@aribaud.net>
---
arch/arm/include/asm/io.h | 30 +-----------------------------
1 file changed, 1 insertion(+), 29 deletions(-)
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 5834f5b..5df7472 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -35,35 +35,6 @@ 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 *)((unsigned long)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);
-}
-
-/*
* Generic virtual read/write. Note that we don't support half-word
* read/writes. We define __arch_*[bl] here, and leave __arch_*w
* to the architecture specific code.
@@ -426,6 +397,7 @@ out:
#endif /* __mem_isa */
#endif /* __KERNEL__ */
+#include <asm-generic/io.h>
#include <iotrace.h>
#endif /* __ASM_ARM_IO_H */
--
2.10.0
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