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[PATCH] ppc64: Consolidate some macros

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The only caller of chunk_offset() and abs_chunk() is phys_to_abs(), so
fold the former two into the latter.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Ellerman 2005-08-03 20:21:23 +10:00 committed by Paul Mackerras
parent 56e97b71bf
commit ce21795275
1 changed files with 9 additions and 16 deletions
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25
include/asm-ppc64/abs_addr.h
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@ -44,25 +44,18 @@ static inline unsigned long addr_to_chunk(unsigned long addr)
return addr >> MSCHUNKS_CHUNK_SHIFT;
}
static inline unsigned long chunk_offset(unsigned long addr)
static inline unsigned long phys_to_abs(unsigned long pa)
{
return addr & MSCHUNKS_OFFSET_MASK;
unsigned long chunk;
chunk = addr_to_chunk(pa);
if (chunk < mschunks_map.num_chunks)
chunk = mschunks_map.mapping[chunk];
return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK);
}
static inline unsigned long abs_chunk(unsigned long pchunk)
{
if (pchunk >= mschunks_map.num_chunks)
return pchunk;
return mschunks_map.mapping[pchunk];
}
/* A macro so it can take pointers or unsigned long. */
#define phys_to_abs(pa) \
({ unsigned long _pa = (unsigned long)(pa); \
chunk_to_addr(abs_chunk(addr_to_chunk(_pa))) + chunk_offset(_pa); \
})
static inline unsigned long
physRpn_to_absRpn(unsigned long rpn)
{