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of: introduce of_parse_phandle_with_fixed_args

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This is identical to of_parse_phandle_with_args(), except that the
number of argument cells is fixed, rather than being parsed out of the
node referenced by each phandle.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Stephen Warren
2013-08-14 15:27:10 -06:00
committed by Grant Likely
parent 5fba49e3a8
commit 035fd94822
2 changed files with 68 additions and 8 deletions
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10
include/linux/of.h
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@@ -280,6 +280,9 @@ extern struct device_node *of_parse_phandle(const struct device_node *np,
extern int of_parse_phandle_with_args(const struct device_node *np,
const char *list_name, const char *cells_name, int index,
struct of_phandle_args *out_args);
extern int of_parse_phandle_with_fixed_args(const struct device_node *np,
const char *list_name, int cells_count, int index,
struct of_phandle_args *out_args);
extern int of_count_phandle_with_args(const struct device_node *np,
const char *list_name, const char *cells_name);
@@ -477,6 +480,13 @@ static inline int of_parse_phandle_with_args(struct device_node *np,
return -ENOSYS;
}
static inline int of_parse_phandle_with_fixed_args(const struct device_node *np,
const char *list_name, int cells_count, int index,
struct of_phandle_args *out_args)
{
return -ENOSYS;
}
static inline int of_count_phandle_with_args(struct device_node *np,
const char *list_name,
const char *cells_name)