Messages in this thread Patch in this message | | | From | Mike Turquette <> | Subject | [PATCH v3 2/5] clk: of: helper for determining number of parent clocks | Date | Thu, 20 Jun 2013 23:14:13 -0700 |
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Walks the "clocks" array of parent clock phandles and returns the number.
Signed-off-by: Mike Turquette <mturquette@linaro.org> --- No change since v2
drivers/clk/clk.c | 6 ++++++ include/linux/clk-provider.h | 1 + 2 files changed, 7 insertions(+)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index edf3fe1..a9feab6 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2081,6 +2081,12 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec) return clk; } +int of_clk_get_parent_count(struct device_node *np) +{ + return of_count_phandle_with_args(np, "clocks", "#clock-cells"); +} +EXPORT_SYMBOL_GPL(of_clk_get_parent_count); + const char *of_clk_get_parent_name(struct device_node *np, int index) { struct of_phandle_args clkspec; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 4920fd1..8730cb9 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -457,6 +457,7 @@ void of_clk_del_provider(struct device_node *np); 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); const char *of_clk_get_parent_name(struct device_node *np, int index); void of_clk_init(const struct of_device_id *matches); -- 1.8.1.2
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