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Commit 2adfffa2 authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Grant Likely
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OF: make of_property_for_each_{u32|string}() use parameters if OF is not enabled 



I am getting a few
|warning: unused variable ‘p’ [-Wunused-variable]
|warning: unused variable ‘prop’ [-Wunused-variable]

in the case where CONFIG_OF is not defined and the parameters are only
used in the loop macro.

Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarGrant Likely <grant.likely@linaro.org>
parent 3b2f64d0

include/linux/of.h

+24 −15
Original line number Diff line number Diff line
@@ -323,12 +323,6 @@ extern int of_detach_node(struct device_node *); 
 */

const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur,

			       u32 *pu);

#define of_property_for_each_u32(np, propname, prop, p, u)	\

	for (prop = of_find_property(np, propname, NULL),	\

		p = of_prop_next_u32(prop, NULL, &u);		\

		p;						\

		p = of_prop_next_u32(prop, p, &u))



/*

 * struct property *prop;

 * const char *s;
@@ -337,11 +331,6 @@ const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, 
 *         printk("String value: %s\n", s);

 */

const char *of_prop_next_string(struct property *prop, const char *cur);

#define of_property_for_each_string(np, propname, prop, s)	\

	for (prop = of_find_property(np, propname, NULL),	\

		s = of_prop_next_string(prop, NULL);		\

		s;						\

		s = of_prop_next_string(prop, s))



#else /* CONFIG_OF */
@@ -505,12 +494,20 @@ static inline int of_machine_is_compatible(const char *compat) 
	return 0;

}



static inline const __be32 *of_prop_next_u32(struct property *prop,

		const __be32 *cur, u32 *pu)

{

	return NULL;

}



static inline const char *of_prop_next_string(struct property *prop,

		const char *cur)

{

	return NULL;

}



#define of_match_ptr(_ptr)	NULL

#define of_match_node(_matches, _node)	NULL

#define of_property_for_each_u32(np, propname, prop, p, u) \

	while (0)

#define of_property_for_each_string(np, propname, prop, s) \

	while (0)

#endif /* CONFIG_OF */



#ifndef of_node_to_nid
@@ -559,6 +556,18 @@ static inline int of_property_read_u32(const struct device_node *np, 
	return of_property_read_u32_array(np, propname, out_value, 1);

}



#define of_property_for_each_u32(np, propname, prop, p, u)	\

	for (prop = of_find_property(np, propname, NULL),	\

		p = of_prop_next_u32(prop, NULL, &u);		\

		p;						\

		p = of_prop_next_u32(prop, p, &u))



#define of_property_for_each_string(np, propname, prop, s)	\

	for (prop = of_find_property(np, propname, NULL),	\

		s = of_prop_next_string(prop, NULL);		\

		s;						\

		s = of_prop_next_string(prop, s))



#if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)

extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);

extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);