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of/sparc: move is_root_node() to of.h

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Rename is_root_node() to of_node_is_root() and make it available for
all archs to use, as it's not PROM-specific.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Andres Salomon
2010-07-13 09:42:26 +00:00
committed by Grant Likely
parent ef2a4524d6
commit 035ebefc73
4 changed files with 9 additions and 12 deletions
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5
include/linux/of.h
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@ -70,6 +70,11 @@ extern struct device_node *allnodes;
extern struct device_node *of_chosen;
extern rwlock_t devtree_lock;
static inline bool of_node_is_root(const struct device_node *node)
{
return node && (node->parent == NULL);
}
static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
{
return test_bit(flag, &n->_flags);