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of: implement of_node_to_nid as a weak function

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Implement of_node_to_nid as weak function to remove the dependency on
asm/prom.h. This is in preparation to make prom.h optional.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Rob Herring
2013-09-17 10:42:50 -05:00
parent 25ff79443c
commit 0c3f061c19
4 changed files with 11 additions and 18 deletions
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7
arch/powerpc/include/asm/prom.h
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@@ -42,13 +42,6 @@ extern void kdump_move_device_tree(void);
/* cache lookup */
struct device_node *of_find_next_cache_node(struct device_node *np);
#ifdef CONFIG_NUMA
extern int of_node_to_nid(struct device_node *device);
#else
static inline int of_node_to_nid(struct device_node *device) { return 0; }
#endif
#define of_node_to_nid of_node_to_nid
extern void of_instantiate_rtc(void);
extern int of_get_ibm_chip_id(struct device_node *np);