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microblaze: Use asm-generic/io.h

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Convert the microblaze architecture to make use of the new
asm-generic/io.h to provide address mapping functions. As the generic
implementations are suitable for microblaze this is primarily a matter
of removing code.

Feedback from architecture maintainers is welcome.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Paul Burton 2017-09-14 15:05:05 -07:00 committed by Tom Rini
parent 0884077b70
commit dbee715237
1 changed files with 1 additions and 28 deletions
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29
arch/microblaze/include/asm/io.h
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@ -131,33 +131,6 @@ 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 *)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);
}
#include <asm-generic/io.h>
#endif /* __MICROBLAZE_IO_H__ */