arc: Use asm-generic/io.h
Convert the arc architecture to make use of the new asm-generic/io.h to
provide address mapping functions. As the generic implementations are
suitable for arc this is primarily a matter of removing code.
Feedback from architecture maintainers is welcome.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Alexey Brodkin <alexey.brodkin@synopsys.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index 42e7f22..a12303b 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -50,30 +50,6 @@
#define __iowmb() do { } while (0)
#endif
-/*
- * 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 void sync(void)
{
/* Not yet implemented */
@@ -302,9 +278,6 @@
#define setbits_8(addr, set) setbits(8, addr, set)
#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
-static inline phys_addr_t virt_to_phys(void *vaddr)
-{
- return (phys_addr_t)((unsigned long)vaddr);
-}
+#include <asm-generic/io.h>
#endif /* __ASM_ARC_IO_H */