linux-kernel - [PATCH 2/4] media: i2c: max96717: convert from round_rate() to determine

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Message-Id: <20250710-media-clk-round-rate-v1-2-a9617b061741@redhat.com>
Date: Thu, 10 Jul 2025 13:29:07 -0400
From: Brian Masney <bmasney@...hat.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Julien Massot <julien.massot@...labora.com>, 
 Maxime Ripard <mripard@...nel.org>, Stephen Boyd <sboyd@...nel.org>
Cc: linux-clk@...r.kernel.org, linux-media@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Brian Masney <bmasney@...hat.com>
Subject: [PATCH 2/4] media: i2c: max96717: convert from round_rate() to
 determine_rate()

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@...hat.com>
---
 drivers/media/i2c/max96717.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/media/i2c/max96717.c b/drivers/media/i2c/max96717.c
index 015e42fbe24629cc0268825ec640532a145e563b..17625fa72367bcce59b2178b8ca4fba795187d11 100644
--- a/drivers/media/i2c/max96717.c
+++ b/drivers/media/i2c/max96717.c
@@ -782,21 +782,23 @@ static unsigned int max96717_clk_find_best_index(struct max96717_priv *priv,
 	return idx;
 }
 
-static long max96717_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
+static int max96717_clk_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct max96717_priv *priv = clk_hw_to_max96717(hw);
 	struct device *dev = &priv->client->dev;
 	unsigned int idx;
 
-	idx = max96717_clk_find_best_index(priv, rate);
+	idx = max96717_clk_find_best_index(priv, req->rate);
 
-	if (rate != max96717_predef_freqs[idx].freq) {
+	if (req->rate != max96717_predef_freqs[idx].freq) {
 		dev_warn(dev, "Request CLK freq:%lu, found CLK freq:%lu\n",
-			 rate, max96717_predef_freqs[idx].freq);
+			 req->rate, max96717_predef_freqs[idx].freq);
 	}
 
-	return max96717_predef_freqs[idx].freq;
+	req->rate = max96717_predef_freqs[idx].freq;
+
+	return 0;
 }
 
 static int max96717_clk_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -847,7 +849,7 @@ static const struct clk_ops max96717_clk_ops = {
 	.unprepare   = max96717_clk_unprepare,
 	.set_rate    = max96717_clk_set_rate,
 	.recalc_rate = max96717_clk_recalc_rate,
-	.round_rate  = max96717_clk_round_rate,
+	.determine_rate = max96717_clk_determine_rate,
 };
 
 static int max96717_register_clkout(struct max96717_priv *priv)

-- 
2.50.0