linux-kernel - [PATCH 6/7] clk: ti: dra7-atl: convert from round_rate() to determine

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Message-Id: <20250811-b4-clk-ti-round-rate-v1-6-cc0840594a49@redhat.com>
Date: Mon, 11 Aug 2025 08:48:11 -0400
From: Brian Masney <bmasney@...hat.com>
To: Tero Kristo <kristo@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Maxime Ripard <mripard@...nel.org>
Cc: linux-omap@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Brian Masney <bmasney@...hat.com>
Subject: [PATCH 6/7] clk: ti: dra7-atl: 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/clk/ti/clk-dra7-atl.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c
index 0eab7f3e2eab9edb18a5f881ce329db1abdb5be0..b02f84d49b966ec0e14a4bf89e39306048b964b6 100644
--- a/drivers/clk/ti/clk-dra7-atl.c
+++ b/drivers/clk/ti/clk-dra7-atl.c
@@ -120,16 +120,18 @@ static unsigned long atl_clk_recalc_rate(struct clk_hw *hw,
 	return parent_rate / cdesc->divider;
 }
 
-static long atl_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int atl_clk_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	unsigned divider;
 
-	divider = (*parent_rate + rate / 2) / rate;
+	divider = (req->best_parent_rate + req->rate / 2) / req->rate;
 	if (divider > DRA7_ATL_DIVIDER_MASK + 1)
 		divider = DRA7_ATL_DIVIDER_MASK + 1;
 
-	return *parent_rate / divider;
+	req->rate = req->best_parent_rate / divider;
+
+	return 0;
 }
 
 static int atl_clk_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -156,7 +158,7 @@ static const struct clk_ops atl_clk_ops = {
 	.disable	= atl_clk_disable,
 	.is_enabled	= atl_clk_is_enabled,
 	.recalc_rate	= atl_clk_recalc_rate,
-	.round_rate	= atl_clk_round_rate,
+	.determine_rate = atl_clk_determine_rate,
 	.set_rate	= atl_clk_set_rate,
 };
 

-- 
2.50.1