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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-06-30 15:23:59 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-06-30 15:23:59 +1000
commit6da49a292534d31ca391928ea97f8225774dc1e0 (patch)
tree060c5f5f40dceb10d4528763bc7fc1ccc88210d9 /arch/sh/mm/cache-debugfs.c
parent17bdc6c0e979ae61879806e4dd93ec3b169d0931 (diff)
parentca56a95eedcc95f8fea7b49c87565cd961d74fe2 (diff)
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Merge remote branch 'origin/master' into next
Diffstat (limited to 'arch/sh/mm/cache-debugfs.c')
-rw-r--r--arch/sh/mm/cache-debugfs.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index 5241146..1157251 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -26,9 +26,9 @@ static int cache_seq_show(struct seq_file *file, void *iter)
{
unsigned int cache_type = (unsigned int)file->private;
struct cache_info *cache;
- unsigned int waysize, way, cache_size;
- unsigned long ccr, base;
- static unsigned long addrstart = 0;
+ unsigned int waysize, way;
+ unsigned long ccr;
+ unsigned long addrstart = 0;
/*
* Go uncached immediately so we don't skew the results any
@@ -45,28 +45,13 @@ static int cache_seq_show(struct seq_file *file, void *iter)
}
if (cache_type == CACHE_TYPE_DCACHE) {
- base = CACHE_OC_ADDRESS_ARRAY;
+ addrstart = CACHE_OC_ADDRESS_ARRAY;
cache = &current_cpu_data.dcache;
} else {
- base = CACHE_IC_ADDRESS_ARRAY;
+ addrstart = CACHE_IC_ADDRESS_ARRAY;
cache = &current_cpu_data.icache;
}
- /*
- * Due to the amount of data written out (depending on the cache size),
- * we may be iterated over multiple times. In this case, keep track of
- * the entry position in addrstart, and rewind it when we've hit the
- * end of the cache.
- *
- * Likewise, the same code is used for multiple caches, so care must
- * be taken for bouncing addrstart back and forth so the appropriate
- * cache is hit.
- */
- cache_size = cache->ways * cache->sets * cache->linesz;
- if (((addrstart & 0xff000000) != base) ||
- (addrstart & 0x00ffffff) > cache_size)
- addrstart = base;
-
waysize = cache->sets;
/*