Convert the openrisc architecture to make use of the new asm-generic/io.h to provide address mapping functions. As the generic implementations are suitable for openrisc this is primarily a matter of removing code.
Feedback from architecture maintainers is welcome.
Signed-off-by: Paul Burton paul.burton@imgtec.com Cc: Stefan Kristiansson stefan.kristiansson@saunalahti.fi ---
arch/openrisc/include/asm/io.h | 35 ++--------------------------------- 1 file changed, 2 insertions(+), 33 deletions(-)
diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h index 86fbbc4..45c41b7 100644 --- a/arch/openrisc/include/asm/io.h +++ b/arch/openrisc/include/asm/io.h @@ -8,39 +8,6 @@ #define __ASM_OPENRISC_IO_H
/* - * 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) -{ - -} - -/* - * Change virtual addresses to physical addresses - */ -static inline phys_addr_t virt_to_phys(void *vaddr) -{ - return (phys_addr_t)(vaddr); -} - - -/* * readX/writeX() are used to access memory mapped devices. On some * architectures the memory mapped IO stuff needs to be accessed * differently. On the openrisc architecture, we just read/write the @@ -96,4 +63,6 @@ static inline phys_addr_t virt_to_phys(void *vaddr) #define iowrite16(v, addr) writew((v), (addr)) #define iowrite32(v, addr) writel((v), (addr))
+#include <asm-generic/io.h> + #endif