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Signed-off-by: Derek Basehore --- Documentation/driver-api/clk.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/driver-api/clk.rst b/Documentation/driver-api/clk.rst index 593cca5058b1..917f6ac29645 100644 --- a/Documentation/driver-api/clk.rst +++ b/Documentation/driver-api/clk.rst @@ -82,6 +82,9 @@ the operations defined in clk-provider.h:: unsigned long *parent_rate); int (*determine_rate)(struct clk_hw *hw, struct clk_rate_request *req); + int (*pre_rate_req)(struct clk_hw *hw, + const struct clk_rate_request *next, + struct clk_rate_request *pre); int (*set_parent)(struct clk_hw *hw, u8 index); u8 (*get_parent)(struct clk_hw *hw); int (*set_rate)(struct clk_hw *hw, @@ -224,6 +227,8 @@ optional or must be evaluated on a case-by-case basis. +----------------+------+-------------+---------------+-------------+------+ |.determine_rate | | y [1]_ | | | | +----------------+------+-------------+---------------+-------------+------+ + |.pre_rate_req | | y [1]_ | | | | + +----------------+------+-------------+---------------+-------------+------+ |.set_rate | | y | | | | +----------------+------+-------------+---------------+-------------+------+ +----------------+------+-------------+---------------+-------------+------+ @@ -238,7 +243,7 @@ optional or must be evaluated on a case-by-case basis. |.init | | | | | | +----------------+------+-------------+---------------+-------------+------+ -.. [1] either one of round_rate or determine_rate is required. +.. [1] one of round_rate, determine_rate, or pre_rate_req is required. Finally, register your clock at run-time with a hardware-specific registration function. This function simply populates struct clk_foo's