This adds documentation for the new clk op pre_rate_req.
Signed-off-by: Derek Basehore <dbasehore@xxxxxxxxxxxx>
---
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
--
2.19.1.568.g152ad8e336-goog
