From ce21795275ab469b97384faa36462350af17eca0 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <michael@ellerman.id.au>
Date: Wed, 3 Aug 2005 20:21:23 +1000
Subject: [PATCH] [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>
---
include/asm-ppc64/abs_addr.h | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)
diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-ppc64/abs_addr.h
index 05414a9bfdd18..025527742fefd 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)
--
2.30.2