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of: make struct property _flags field configurable 

Only Sparc and CONFIG_OF_DYNAMIC use the struct property._flags field,
so make it conditional shrinking struct property a bit.

Tested-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2017-10-04 14:30:02 -05:00
parent 36689ecd2c
commit 16bba30eab
1 changed files with 4 additions and 0 deletions
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4
include/linux/of.h
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@ -37,7 +37,9 @@ struct property {
int length;
void *value;
struct property *next;
#if defined(CONFIG_OF_DYNAMIC) || defined(CONFIG_SPARC)
unsigned long _flags;
#endif
#if defined(CONFIG_OF_PROMTREE)
unsigned int unique_id;
#endif
@ -205,6 +207,7 @@ static inline void of_node_clear_flag(struct device_node *n, unsigned long flag)
clear_bit(flag, &n->_flags);
}
#if defined(CONFIG_OF_DYNAMIC) || defined(CONFIG_SPARC)
static inline int of_property_check_flag(struct property *p, unsigned long flag)
{
return test_bit(flag, &p->_flags);
@ -219,6 +222,7 @@ static inline void of_property_clear_flag(struct property *p, unsigned long flag
{
clear_bit(flag, &p->_flags);
}
#endif
extern struct device_node *__of_find_all_nodes(struct device_node *prev);
extern struct device_node *of_find_all_nodes(struct device_node *prev);