diff options
| author | Paul Burton <paul.burton@imgtec.com> | 2017-09-14 15:05:06 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-10-02 21:52:21 -0400 |
| commit | b3666a693adbe13e3cecdb7648d490e8dd42a936 (patch) | |
| tree | 6425452c7bd8083ebc80c5dda30b4485d3e8a557 /arch/nds32 | |
| parent | dbee71523750b1f4bb73ffe0591f499d6c67c8b1 (diff) | |
nds32: Use asm-generic/io.h
Convert the nds32 architecture to make use of the new asm-generic/io.h
to provide address mapping functions. As the generic implementations are
suitable for nds32 this is primarily a matter of removing code.
Feedback from architecture maintainers is welcome.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Macpaul Lin <macpaul@andestech.com>
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/include/asm/io.h | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h index 25ef9a46c6..c6d8d9b471 100644 --- a/arch/nds32/include/asm/io.h +++ b/arch/nds32/include/asm/io.h @@ -38,16 +38,6 @@ 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) - #ifdef CONFIG_ARCH_MAP_SYSMEM static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) { @@ -69,25 +59,6 @@ static inline phys_addr_t map_to_sysmem(const void *ptr) } #endif -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); -} - /* * Generic virtual read/write. Note that we don't support half-word * read/writes. We define __arch_*[bl] here, and leave __arch_*w @@ -480,5 +451,8 @@ out: #define isa_check_signature(io, sig, len) (0) #endif /* __mem_isa */ + +#include <asm-generic/io.h> + #endif /* __KERNEL__ */ #endif /* __ASM_NDS_IO_H */ |