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powerpc: Convert cpu_to_l2cache() to of_find_next_cache_node()

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The smp code uses cache information to populate cpu_core_map; change
it to use common code for cache lookup.

Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Nathan Lynch 2008-12-10 20:16:07 +00:00 committed by Paul Mackerras
parent e523f723d6
commit b2ea25b958
1 changed files with 4 additions and 7 deletions
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11
arch/powerpc/kernel/smp.c
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@ -466,8 +466,7 @@ int cpu_to_core_id(int cpu)
static struct device_node *cpu_to_l2cache(int cpu)
{
struct device_node *np;
const phandle *php;
phandle ph;
struct device_node *cache;
if (!cpu_present(cpu))
return NULL;
@ -476,13 +475,11 @@ static struct device_node *cpu_to_l2cache(int cpu)
if (np == NULL)
return NULL;
php = of_get_property(np, "l2-cache", NULL);
if (php == NULL)
return NULL;
ph = *php;
cache = of_find_next_cache_node(np);
of_node_put(np);
return of_find_node_by_phandle(ph);
return cache;
}
/* Activate a secondary processor. */