From: Derek Basehore <dbasehore@chromium.org>
To: linux-kernel@vger.kernel.org
Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-doc@vger.kernel.org,
sboyd@kernel.org, mturquette@baylibre.com, heiko@sntech.de,
aisheng.dong@nxp.com, mchehab+samsung@kernel.org, corbet@lwn.net,
jbrunet@baylibre.com, Derek Basehore <dbasehore@chromium.org>
Subject: [PATCH v2 5/6] docs: driver-api: add pre_rate_req to clk documentation
Date: Mon, 4 Mar 2019 20:49:35 -0800 [thread overview]
Message-ID: <20190305044936.22267-6-dbasehore@chromium.org> (raw)
In-Reply-To: <20190305044936.22267-1-dbasehore@chromium.org>
This adds documentation for the new clk op pre_rate_req.
Signed-off-by: Derek Basehore <dbasehore@chromium.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
next prev parent reply other threads:[~2019-03-05 4:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-05 4:49 [PATCH v2 0/6] Coordinated Clks Derek Basehore
2019-03-05 4:49 ` [PATCH v2 1/6] clk: Remove recursion in clk_core_{prepare,enable}() Derek Basehore
2019-03-05 18:49 ` Stephen Boyd
2019-03-06 1:35 ` dbasehore .
2019-03-06 4:11 ` dbasehore .
2019-03-05 4:49 ` [PATCH v2 2/6] clk: fix clk_calc_subtree compute duplications Derek Basehore
2019-03-05 4:49 ` [PATCH v3 3/6] clk: change rates via list iteration Derek Basehore
2019-03-09 0:07 ` dbasehore .
2019-03-05 4:49 ` [PATCH v2 4/6] clk: add coordinated clk changes support Derek Basehore
2019-03-05 4:49 ` Derek Basehore [this message]
2019-03-05 4:49 ` [PATCH v2 6/6] clk: rockchip: use pre_rate_req for cpuclk Derek Basehore
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