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Consolidate of_get_next_child

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This adds a read_lock around the child/next accesses on Sparc.

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 17:21:29 +10:00
parent e679c5f445
commit d1cd355a5e
4 changed files with 24 additions and 52 deletions
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14
arch/sparc/kernel/prom.c
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@@ -29,20 +29,6 @@ static struct device_node *allnodes;
extern rwlock_t devtree_lock; /* temporary while merging */
struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev)
{
struct device_node *next;
next = prev ? prev->sibling : node->child;
for (; next != 0; next = next->sibling) {
break;
}
return next;
}
EXPORT_SYMBOL(of_get_next_child);
struct device_node *of_find_node_by_path(const char *path)
{
struct device_node *np = allnodes;