linux-kernel - [PATCH 3/8] clk: rockchip: half-divider: convert from round_rate() to determine

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250828-clk-round-rate-v2-v1-3-b97ec8ba6cc4@redhat.com>
Date: Thu, 28 Aug 2025 20:38:22 -0400
From: Brian Masney <bmasney@...hat.com>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Vladimir Zapolskiy <vz@...ia.com>, 
 Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>, 
 Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...il.com>, 
 Michal Simek <michal.simek@....com>, Bjorn Andersson <andersson@...nel.org>, 
 Heiko Stuebner <heiko@...ech.de>, 
 Andrea della Porta <andrea.porta@...e.com>, 
 Maxime Ripard <mripard@...nel.org>
Cc: linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, sophgo@...ts.linux.dev, 
 linux-arm-msm@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
 Brian Masney <bmasney@...hat.com>
Subject: [PATCH 3/8] clk: rockchip: half-divider: 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/rockchip/clk-half-divider.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/rockchip/clk-half-divider.c b/drivers/clk/rockchip/clk-half-divider.c
index 64f7faad2148f27099d1ace36da45207e2315a1c..fbc018e8afa44c87a5a7b53475fc98b318ce1ec8 100644
--- a/drivers/clk/rockchip/clk-half-divider.c
+++ b/drivers/clk/rockchip/clk-half-divider.c
@@ -92,17 +92,19 @@ static int clk_half_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
 	return bestdiv;
 }
 
-static long clk_half_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *prate)
+static int clk_half_divider_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct clk_divider *divider = to_clk_divider(hw);
 	int div;
 
-	div = clk_half_divider_bestdiv(hw, rate, prate,
+	div = clk_half_divider_bestdiv(hw, req->rate, &req->best_parent_rate,
 				       divider->width,
 				       divider->flags);
 
-	return DIV_ROUND_UP_ULL(((u64)*prate * 2), div * 2 + 3);
+	req->rate = DIV_ROUND_UP_ULL(((u64)req->best_parent_rate * 2), div * 2 + 3);
+
+	return 0;
 }
 
 static int clk_half_divider_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -141,7 +143,7 @@ static int clk_half_divider_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static const struct clk_ops clk_half_divider_ops = {
 	.recalc_rate = clk_half_divider_recalc_rate,
-	.round_rate = clk_half_divider_round_rate,
+	.determine_rate = clk_half_divider_determine_rate,
 	.set_rate = clk_half_divider_set_rate,
 };
 

-- 
2.50.1