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Consolidate of_get_parent

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This requires creating dummy of_node_{get,put} routines for sparc and
sparc64.  It also adds a read_lock around the parent accesses.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Rothwell
2007-04-24 17:16:16 +10:00
parent 581b605a83
commit e679c5f445
6 changed files with 39 additions and 47 deletions
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13
arch/sparc/kernel/prom.c
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@ -29,19 +29,6 @@ static struct device_node *allnodes;
extern rwlock_t devtree_lock; /* temporary while merging */
struct device_node *of_get_parent(const struct device_node *node)
{
struct device_node *np;
if (!node)
return NULL;
np = node->parent;
return np;
}
EXPORT_SYMBOL(of_get_parent);
struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev)
{