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author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2019-08-16 12:41:52 -0700 |
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committer | Thierry Reding <treding@nvidia.com> | 2019-11-11 13:59:35 +0100 |
commit | d9b86cc48283112f06738d45031b88bd3f9ecb92 (patch) | |
tree | eeb57670a444e3530d37377db2b4583fb33bd241 /include/linux/clk-provider.h | |
parent | Linux 5.4-rc1 (diff) | |
download | wireguard-linux-d9b86cc48283112f06738d45031b88bd3f9ecb92.tar.xz wireguard-linux-d9b86cc48283112f06738d45031b88bd3f9ecb92.zip |
clk: Add API to get index of the clock parent
This patch adds a new clk_hw_get_parent_index() function that can be
used to retrieve the index of a given clock's parent. This can be useful
for restoring a clock on system resume.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/linux/clk-provider.h')
-rw-r--r-- | include/linux/clk-provider.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 2fdfe8061363..caf4b9df16eb 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -818,6 +818,7 @@ unsigned int clk_hw_get_num_parents(const struct clk_hw *hw); struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw); struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw, unsigned int index); +int clk_hw_get_parent_index(struct clk_hw *hw); int clk_hw_set_parent(struct clk_hw *hw, struct clk_hw *new_parent); unsigned int __clk_get_enable_count(struct clk *clk); unsigned long clk_hw_get_rate(const struct clk_hw *hw); |