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authorMichael Ellerman <michael@ellerman.id.au>2005-08-03 06:21:26 -0400
committerPaul Mackerras <paulus@samba.org>2005-08-28 20:53:37 -0400
commitbef5686229810709091fb6e505071f4aa41e3760 (patch)
tree417f40e7ec6a0d593857ebd338794b664c1f4bcc /include/asm-ppc64
parent71e1f55ad4bc4c8bcfe696400a950a34263a750e (diff)
[PATCH] ppc64: Remove CONFIG_MSCHUNKS
We can now remove CONFIG_MSCHUNKS as it doesn't do anything interesting anymore. The only macro in abs_addr.h which is called by non-iSeries code is phys_to_abs(), so remove the other dummy implementations, and we add a firmware feature check to phys_to_abs(). Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc64')
-rw-r--r--include/asm-ppc64/abs_addr.h19
1 files changed, 5 insertions, 14 deletions
diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-ppc64/abs_addr.h
index 200db1c45f29..84c24d4cdb71 100644
--- a/include/asm-ppc64/abs_addr.h
+++ b/include/asm-ppc64/abs_addr.h
@@ -16,8 +16,7 @@
16#include <asm/page.h> 16#include <asm/page.h>
17#include <asm/prom.h> 17#include <asm/prom.h>
18#include <asm/lmb.h> 18#include <asm/lmb.h>
19 19#include <asm/firmware.h>
20#ifdef CONFIG_MSCHUNKS
21 20
22struct mschunks_map { 21struct mschunks_map {
23 unsigned long num_chunks; 22 unsigned long num_chunks;
@@ -48,6 +47,10 @@ static inline unsigned long phys_to_abs(unsigned long pa)
48{ 47{
49 unsigned long chunk; 48 unsigned long chunk;
50 49
50 /* This is a no-op on non-iSeries */
51 if (!firmware_has_feature(FW_FEATURE_ISERIES))
52 return pa;
53
51 chunk = addr_to_chunk(pa); 54 chunk = addr_to_chunk(pa);
52 55
53 if (chunk < mschunks_map.num_chunks) 56 if (chunk < mschunks_map.num_chunks)
@@ -56,18 +59,6 @@ static inline unsigned long phys_to_abs(unsigned long pa)
56 return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK); 59 return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK);
57} 60}
58 61
59#else /* !CONFIG_MSCHUNKS */
60
61#define chunk_to_addr(chunk) ((unsigned long)(chunk))
62#define addr_to_chunk(addr) (addr)
63#define chunk_offset(addr) (0)
64#define abs_chunk(pchunk) (pchunk)
65
66#define phys_to_abs(pa) (pa)
67#define physRpn_to_absRpn(rpn) (rpn)
68
69#endif /* !CONFIG_MSCHUNKS */
70
71/* Convenience macros */ 62/* Convenience macros */
72#define virt_to_abs(va) phys_to_abs(__pa(va)) 63#define virt_to_abs(va) phys_to_abs(__pa(va))
73#define abs_to_virt(aa) __va(aa) 64#define abs_to_virt(aa) __va(aa)