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clk: Document __clk_mux_determine_rate()

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It had some documentation, but not kerneldoc style so it wasn't getting
picked up. Add some docs so scripts can pick this function out.

Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Stephen Boyd 2018-12-11 13:24:50 -08:00
parent 31f6e8700f
commit 777c1a40a3
1 changed files with 6 additions and 0 deletions
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6
drivers/clk/clk.c
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@ -519,9 +519,15 @@ void clk_hw_set_rate_range(struct clk_hw *hw, unsigned long min_rate,
EXPORT_SYMBOL_GPL(clk_hw_set_rate_range);
/*
* __clk_mux_determine_rate - clk_ops::determine_rate implementation for a mux type clk
* @hw: mux type clk to determine rate on
* @req: rate request, also used to return preferred parent and frequencies
*
* Helper for finding best parent to provide a given frequency. This can be used
* directly as a determine_rate callback (e.g. for a mux), or from a more
* complex clock that may combine a mux with other operations.
*
* Returns: 0 on success, -EERROR value on error
*/
int __clk_mux_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)