Most provider drivers don't need to deal with struct clk, but
they may want to call __clk_get_num_parents() and so they have to
get the struct clk out of struct clk_hw so they can ask the
framework for the number of parents. Hide this all behind a
clk_hw specific API.
---
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 898052ee0efa..5a147c2b1e36 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -289,6 +289,12 @@ u8 __clk_get_num_parents(struct clk *clk)
}
EXPORT_SYMBOL_GPL(__clk_get_num_parents);
+unsigned int clk_hw_get_num_parents(struct clk_hw *hw)
+{
+ return hw->core->num_parents;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_num_parents);
+
struct clk *__clk_get_parent(struct clk *clk)
{
if (!clk)
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 06a56e55cfaf..214634a88f38 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -609,6 +609,7 @@ void devm_clk_unregister(struct device *dev, struct clk
*clk);
const char *__clk_get_name(struct clk *clk);
struct clk_hw *__clk_get_hw(struct clk *clk);
u8 __clk_get_num_parents(struct clk *clk);
+unsigned int clk_hw_get_num_parents(struct clk_hw *hw);
struct clk *__clk_get_parent(struct clk *clk);
struct clk *clk_get_parent_by_index(struct clk *clk, u8 index);
unsigned int __clk_get_enable_count(struct clk *clk);
--
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a Linux Foundation Collaborative Project
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