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of: merge of_node_get(), of_node_put() and of_find_all_nodes()

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Merge common code between Sparc, PowerPC and Microblaze.

Sparc differs in the implementation at this point, so this patch uses
a #ifdef to handle sparc differently for now.  The merging of
implementations will occur in a later patch

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Grant Likely 2009-10-15 10:58:02 -06:00
parent b6caf2ad7c
commit 526b5b3ed9
4 changed files with 16 additions and 17 deletions
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16
include/linux/of.h
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@ -79,6 +79,22 @@ set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
dn->pde = de;
}
#if defined(CONFIG_SPARC)
/* Dummy ref counting routines - to be implemented later */
static inline struct device_node *of_node_get(struct device_node *node)
{
return node;
}
static inline void of_node_put(struct device_node *node)
{
}
#else
extern struct device_node *of_find_all_nodes(struct device_node *prev);
extern struct device_node *of_node_get(struct device_node *node);
extern void of_node_put(struct device_node *node);
#endif
/*
* OF address retreival & translation
*/