diff options
| -rw-r--r-- | drivers/clk/clk.c | 21 | ||||
| -rw-r--r-- | include/linux/clk-provider.h | 2 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index a522dbb..ee222e2 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3016,6 +3016,27 @@ const char *of_clk_get_parent_name(struct device_node *np, int index) } EXPORT_SYMBOL_GPL(of_clk_get_parent_name); +/** + * of_clk_parent_fill() - Fill @parents with names of @np's parents and return + * number of parents + * @np: Device node pointer associated with clock provider + * @parents: pointer to char array that hold the parents' names + * @size: size of the @parents array + * + * Return: number of parents for the clock node. + */ +int of_clk_parent_fill(struct device_node *np, const char **parents, + unsigned int size) +{ + unsigned int i = 0; + + while (i < size && (parents[i] = of_clk_get_parent_name(np, i)) != NULL) + i++; + + return i; +} +EXPORT_SYMBOL_GPL(of_clk_parent_fill); + struct clock_provider { of_clk_init_cb_t clk_init_cb; struct device_node *np; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 5378c2a..2e5df06 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -626,6 +626,8 @@ struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data); struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data); int of_clk_get_parent_count(struct device_node *np); +int of_clk_parent_fill(struct device_node *np, const char **parents, + unsigned int size); const char *of_clk_get_parent_name(struct device_node *np, int index); void of_clk_init(const struct of_device_id *matches); |
