[PATCH 09/13] clk: imx: pll14xx: convert from round_rate() to determine_rate()

Brian Masney bmasney at redhat.com
Thu Jul 10 14:10:41 PDT 2025


The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.

Signed-off-by: Brian Masney <bmasney at redhat.com>
---
 drivers/clk/imx/clk-pll14xx.c | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c
index f290981ea13bdba3602af7aa44aaadfe0b78dcf9..36d0e80b55b80385a065808916187d6d4c30137c 100644
--- a/drivers/clk/imx/clk-pll14xx.c
+++ b/drivers/clk/imx/clk-pll14xx.c
@@ -216,8 +216,8 @@ static void imx_pll14xx_calc_settings(struct clk_pll14xx *pll, unsigned long rat
 		 t->mdiv, t->kdiv);
 }
 
-static long clk_pll1416x_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+static int clk_pll1416x_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct clk_pll14xx *pll = to_clk_pll14xx(hw);
 	const struct imx_pll14xx_rate_table *rate_table = pll->rate_table;
@@ -225,22 +225,29 @@ static long clk_pll1416x_round_rate(struct clk_hw *hw, unsigned long rate,
 
 	/* Assuming rate_table is in descending order */
 	for (i = 0; i < pll->rate_count; i++)
-		if (rate >= rate_table[i].rate)
-			return rate_table[i].rate;
+		if (req->rate >= rate_table[i].rate) {
+			req->rate = rate_table[i].rate;
+
+			return 0;
+		}
 
 	/* return minimum supported value */
-	return rate_table[pll->rate_count - 1].rate;
+	req->rate = rate_table[pll->rate_count - 1].rate;
+
+	return 0;
 }
 
-static long clk_pll1443x_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+static int clk_pll1443x_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct clk_pll14xx *pll = to_clk_pll14xx(hw);
 	struct imx_pll14xx_rate_table t;
 
-	imx_pll14xx_calc_settings(pll, rate, *prate, &t);
+	imx_pll14xx_calc_settings(pll, req->rate, req->best_parent_rate, &t);
+
+	req->rate = t.rate;
 
-	return t.rate;
+	return 0;
 }
 
 static unsigned long clk_pll14xx_recalc_rate(struct clk_hw *hw,
@@ -470,7 +477,7 @@ static const struct clk_ops clk_pll1416x_ops = {
 	.unprepare	= clk_pll14xx_unprepare,
 	.is_prepared	= clk_pll14xx_is_prepared,
 	.recalc_rate	= clk_pll14xx_recalc_rate,
-	.round_rate	= clk_pll1416x_round_rate,
+	.determine_rate = clk_pll1416x_determine_rate,
 	.set_rate	= clk_pll1416x_set_rate,
 };
 
@@ -483,7 +490,7 @@ static const struct clk_ops clk_pll1443x_ops = {
 	.unprepare	= clk_pll14xx_unprepare,
 	.is_prepared	= clk_pll14xx_is_prepared,
 	.recalc_rate	= clk_pll14xx_recalc_rate,
-	.round_rate	= clk_pll1443x_round_rate,
+	.determine_rate = clk_pll1443x_determine_rate,
 	.set_rate	= clk_pll1443x_set_rate,
 };
 

-- 
2.50.0




More information about the linux-arm-kernel mailing list