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arc: Use asm-generic/io.h

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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>
This commit is contained in:
Paul Burton 2017-09-14 15:05:02 -07:00 committed by Tom Rini
parent d4150ca6de
commit 593477c6b3
1 changed files with 1 additions and 28 deletions
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29
arch/arc/include/asm/io.h
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@ -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 @@ static inline int __raw_writesl(unsigned int addr, void *data, int longlen)
#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 */