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| author | Michael Ellerman | 2005-08-03 12:21:23 +0200 |
|---|---|---|
| committer | Paul Mackerras | 2005-08-29 02:53:36 +0200 |
| commit | ce21795275ab469b97384faa36462350af17eca0 (patch) | |
| tree | a2f8be762b20849f37b02f1cbc2bfc9519771cde /include/asm-ppc64/abs_addr.h | |
| parent | [PATCH] ppc64: Rename msChunks structure (diff) | |
| download | kernel-qcow2-linux-ce21795275ab469b97384faa36462350af17eca0.tar.gz kernel-qcow2-linux-ce21795275ab469b97384faa36462350af17eca0.tar.xz kernel-qcow2-linux-ce21795275ab469b97384faa36462350af17eca0.zip | |
[PATCH] ppc64: Consolidate some macros
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>
Diffstat (limited to 'include/asm-ppc64/abs_addr.h')
| -rw-r--r-- | include/asm-ppc64/abs_addr.h | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-ppc64/abs_addr.h index 05414a9bfdd1..025527742fef 100644 --- a/include/asm-ppc64/abs_addr.h +++ b/include/asm-ppc64/abs_addr.h @@ -44,24 +44,17 @@ 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; -static inline unsigned long abs_chunk(unsigned long pchunk) -{ - if (pchunk >= mschunks_map.num_chunks) - return pchunk; + chunk = addr_to_chunk(pa); - return mschunks_map.mapping[pchunk]; -} + if (chunk < mschunks_map.num_chunks) + chunk = mschunks_map.mapping[chunk]; -/* 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); \ - }) + return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK); +} static inline unsigned long physRpn_to_absRpn(unsigned long rpn) |