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of: constify property name parameters for helper functions

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The helper functions for reading u32 integers, u32 arrays and strings
should have the property name as a const pointer.

Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Jamie Iles 2011-08-02 15:45:07 +01:00 committed by Grant Likely
parent 5f9288af06
commit aac285c6cb
2 changed files with 13 additions and 9 deletions
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7
drivers/of/base.c
View File

@ -610,8 +610,9 @@ EXPORT_SYMBOL(of_find_node_by_phandle);
*
* The out_value is modified only if a valid u32 value can be decoded.
*/
int of_property_read_u32_array(const struct device_node *np, char *propname,
u32 *out_values, size_t sz)
int of_property_read_u32_array(const struct device_node *np,
const char *propname, u32 *out_values,
size_t sz)
{
struct property *prop = of_find_property(np, propname, NULL);
const __be32 *val;
@ -645,7 +646,7 @@ EXPORT_SYMBOL_GPL(of_property_read_u32_array);
*
* The out_string pointer is modified only if a valid string can be decoded.
*/
int of_property_read_string(struct device_node *np, char *propname,
int of_property_read_string(struct device_node *np, const char *propname,
const char **out_string)
{
struct property *prop = of_find_property(np, propname, NULL);

15
include/linux/of.h
View File

@ -196,12 +196,13 @@ extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
extern int of_property_read_u32_array(const struct device_node *np,
char *propname,
const char *propname,
u32 *out_values,
size_t sz);
extern int of_property_read_string(struct device_node *np, char *propname,
const char **out_string);
extern int of_property_read_string(struct device_node *np,
const char *propname,
const char **out_string);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
extern int of_device_is_available(const struct device_node *device);
@ -242,13 +243,15 @@ static inline bool of_have_populated_dt(void)
}
static inline int of_property_read_u32_array(const struct device_node *np,
char *propname, u32 *out_values, size_t sz)
const char *propname,
u32 *out_values, size_t sz)
{
return -ENOSYS;
}
static inline int of_property_read_string(struct device_node *np,
char *propname, const char **out_string)
const char *propname,
const char **out_string)
{
return -ENOSYS;
}
@ -256,7 +259,7 @@ static inline int of_property_read_string(struct device_node *np,
#endif /* CONFIG_OF */
static inline int of_property_read_u32(const struct device_node *np,
char *propname,
const char *propname,
u32 *out_value)
{
return of_property_read_u32_array(np, propname, out_value, 1);