linux-kernel - [PATCH 1/4] media: i2c: ds90ub953: convert from round_rate() to determine

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Message-Id: <20250710-media-clk-round-rate-v1-1-a9617b061741@redhat.com>
Date: Thu, 10 Jul 2025 13:29:06 -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 1/4] media: i2c: ds90ub953: 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/ds90ub953.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index a865bfc895006464da0a0bedc90b1c26c4ec8d49..f57130bc6ba274ae8c7f69320791a52a8aaf0404 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -1023,15 +1023,17 @@ static unsigned long ub953_clkout_recalc_rate(struct clk_hw *hw,
 	return rate;
 }
 
-static long ub953_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
+static int ub953_clkout_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct ub953_data *priv = container_of(hw, struct ub953_data, clkout_clk_hw);
 	struct ub953_clkout_data clkout_data;
 
-	ub953_calc_clkout_params(priv, rate, &clkout_data);
+	ub953_calc_clkout_params(priv, req->rate, &clkout_data);
+
+	req->rate = clkout_data.rate;
 
-	return clkout_data.rate;
+	return 0;
 }
 
 static int ub953_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -1050,7 +1052,7 @@ static int ub953_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static const struct clk_ops ub953_clkout_ops = {
 	.recalc_rate	= ub953_clkout_recalc_rate,
-	.round_rate	= ub953_clkout_round_rate,
+	.determine_rate = ub953_clkout_determine_rate,
 	.set_rate	= ub953_clkout_set_rate,
 };
 

-- 
2.50.0