diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2011-07-06 15:42:58 -0500 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-07-06 14:58:09 -0600 |
| commit | 0e373639ad7c7ef2b0c9cf907574b266791b9778 (patch) | |
| tree | 2600fab3cee4360311a3e0784aa2498dc9cceb6a /include/linux/of.h | |
| parent | b84e773119e1401e6ebd8906fb0b2a43bbe64871 (diff) | |
dt: add helper function to read u32 arrays
Rework of_property_read_u32 to read an array of values. Then
of_property_read_u32 becomes an inline with array size of 1.
Also make struct device_node ptr const.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include/linux/of.h')
| -rw-r--r-- | include/linux/of.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index b23852002b30..b5f1c88e40a7 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -195,8 +195,18 @@ extern struct device_node *of_find_node_with_property( extern struct property *of_find_property(const struct device_node *np, const char *name, int *lenp); -extern int of_property_read_u32(struct device_node *np, char *propname, - u32 *out_value); +extern int of_property_read_u32_array(const struct device_node *np, + char *propname, + u32 *out_values, + size_t sz); + +static inline int of_property_read_u32(const struct device_node *np, + char *propname, + u32 *out_value) +{ + return of_property_read_u32_array(np, propname, out_value, 1); +} + extern int of_property_read_string(struct device_node *np, char *propname, const char **out_string); extern int of_device_is_compatible(const struct device_node *device, |