linux-kernel - [PATCH v1 3/4] clk: meson: sclk-div: switch from .round_rate to .determine

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Date:   Sun, 25 Dec 2022 22:26:31 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-amlogic@...ts.infradead.org
Cc:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        jbrunet@...libre.com,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v1 3/4] clk: meson: sclk-div: switch from .round_rate to .determine_rate

clk_ops.round_rate will be removed at some point. It's replacement is
.determine_rate. Switch sclk-div over to use .determine_rate.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 drivers/clk/meson/sclk-div.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/meson/sclk-div.c b/drivers/clk/meson/sclk-div.c
index 76d31c0a3342..d12c45c4c261 100644
--- a/drivers/clk/meson/sclk-div.c
+++ b/drivers/clk/meson/sclk-div.c
@@ -96,16 +96,17 @@ static int sclk_div_bestdiv(struct clk_hw *hw, unsigned long rate,
 	return bestdiv;
 }
 
-static long sclk_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int sclk_div_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct clk_regmap *clk = to_clk_regmap(hw);
 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);
 	int div;
 
-	div = sclk_div_bestdiv(hw, rate, prate, sclk);
+	div = sclk_div_bestdiv(hw, req->rate, &req->best_parent_rate, sclk);
+	req->rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, div);
 
-	return DIV_ROUND_UP_ULL((u64)*prate, div);
+	return 0;
 }
 
 static void sclk_apply_ratio(struct clk_regmap *clk,
@@ -237,7 +238,7 @@ static int sclk_div_init(struct clk_hw *hw)
 
 const struct clk_ops meson_sclk_div_ops = {
 	.recalc_rate	= sclk_div_recalc_rate,
-	.round_rate	= sclk_div_round_rate,
+	.determine_rate	= sclk_div_determine_rate,
 	.set_rate	= sclk_div_set_rate,
 	.enable		= sclk_div_enable,
 	.disable	= sclk_div_disable,
-- 
2.39.0