linux-kernel - [PATCH 2/2] clk: meson: honor CLK_MUX_ROUND_CLOSEST in clk

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Date:   Mon,  9 Apr 2018 15:59:21 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org
Subject: [PATCH 2/2] clk: meson: honor CLK_MUX_ROUND_CLOSEST in clk_regmap

Using __clk_mux_determine_rate effectively ignores CLK_MUX_ROUND_CLOSEST
if set the related clk_regmap mux instance.

Use clk_mux_determine_rate_flags() to make sure the flag is honored.

Fixes: ea11dda9e091 ("clk: meson: add regmap clocks")
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 drivers/clk/meson/clk-regmap.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/meson/clk-regmap.c b/drivers/clk/meson/clk-regmap.c
index 3645fdb62343..ab7a3556f5b2 100644
--- a/drivers/clk/meson/clk-regmap.c
+++ b/drivers/clk/meson/clk-regmap.c
@@ -153,10 +153,19 @@ static int clk_regmap_mux_set_parent(struct clk_hw *hw, u8 index)
 				  val << mux->shift);
 }
 
+static int clk_regmap_mux_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
+{
+	struct clk_regmap *clk = to_clk_regmap(hw);
+	struct clk_regmap_mux_data *mux = clk_get_regmap_mux_data(clk);
+
+	return clk_mux_determine_rate_flags(hw, req, mux->flags);
+}
+
 const struct clk_ops clk_regmap_mux_ops = {
 	.get_parent = clk_regmap_mux_get_parent,
 	.set_parent = clk_regmap_mux_set_parent,
-	.determine_rate = __clk_mux_determine_rate,
+	.determine_rate = clk_regmap_mux_determine_rate,
 };
 EXPORT_SYMBOL_GPL(clk_regmap_mux_ops);
 
-- 
2.14.3