[PATCH 3/6] of: make struct property _flags field configurable

From: Rob Herring
Date: Thu Oct 05 2017 - 15:45:59 EST


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

Cc: Nicolas Pitre <nico@xxxxxxxxxx>
Cc: Frank Rowand <frowand.list@xxxxxxxxx>
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
include/linux/of.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/linux/of.h b/include/linux/of.h
index 8f9e96752837..7eb94b7fbcf3 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -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);
--
2.11.0