Messages in this thread Patch in this message | | | From | Gabriel FERNANDEZ <> | Subject | [PATCH 1/2] clk: of: helper for determining flags properties | Date | Tue, 13 May 2014 13:57:32 +0200 |
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The patch provides a helper to get flags properties of a clock node.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> --- drivers/clk/clk.c | 11 +++++++++++ include/linux/clk-provider.h | 6 ++++++ 2 files changed, 17 insertions(+)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 4d56220..cae8985 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2528,6 +2528,17 @@ const char *of_clk_get_parent_name(struct device_node *np, int index) } EXPORT_SYMBOL_GPL(of_clk_get_parent_name); +unsigned long of_clk_get_flags(struct device_node *np) +{ + unsigned long flags = 0; + + if (of_property_read_bool(np, "set-rate-parent")) + flags |= CLK_SET_RATE_PARENT; + + return flags; +} +EXPORT_SYMBOL_GPL(of_clk_get_flags); + 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 59e2eb5..650bc10 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -519,6 +519,7 @@ 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); +unsigned long of_clk_get_flags(struct device_node *np); #else /* !CONFIG_OF */ @@ -546,6 +547,11 @@ static inline const char *of_clk_get_parent_name(struct device_node *np, { return NULL; } +static inline unsigned long of_clk_get_flags(struct device_node *np) +{ + return NULL; +} + #define of_clk_init(matches) \ { while (0); } #endif /* CONFIG_OF */ -- 1.9.1
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