linux-kernel - [PATCH v2 5/6] docs: driver-api: add pre_rate

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Message-Id: <20190305044936.22267-6-dbasehore@chromium.org>
Date:   Mon,  4 Mar 2019 20:49:35 -0800
From:   Derek Basehore <dbasehore@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-doc@...r.kernel.org,
        sboyd@...nel.org, mturquette@...libre.com, heiko@...ech.de,
        aisheng.dong@....com, mchehab+samsung@...nel.org, corbet@....net,
        jbrunet@...libre.com, Derek Basehore <dbasehore@...omium.org>
Subject: [PATCH v2 5/6] docs: driver-api: add pre_rate_req to clk documentation

This adds documentation for the new clk op pre_rate_req.

Signed-off-by: Derek Basehore <dbasehore@...omium.org>
---
 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
-- 
2.21.0.352.gf09ad66450-goog