linux-kernel - [PATCH 09/10] clk: sunxi-ng: ccu_nkmp: convert from round_rate() to determine

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Message-Id: <20250703-clk-cocci-drop-round-rate-v1-9-3a8da898367e@redhat.com>
Date: Thu, 03 Jul 2025 19:22:33 -0400
From: Brian Masney <bmasney@...hat.com>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Bjorn Andersson <andersson@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, Maxime Ripard <mripard@...hat.com>
Cc: linux-clk@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-sunxi@...ts.linux.dev, 
 Brian Masney <bmasney@...hat.com>
Subject: [PATCH 09/10] clk: sunxi-ng: ccu_nkmp: 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/sunxi-ng/ccu_nkmp.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c
index 6e03b69d402848b237154319d2296ffb4133a213..25efb5b3760759f2943737856246ce93000ebf05 100644
--- a/drivers/clk/sunxi-ng/ccu_nkmp.c
+++ b/drivers/clk/sunxi-ng/ccu_nkmp.c
@@ -127,20 +127,20 @@ static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw,
 	return rate;
 }
 
-static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *parent_rate)
+static int ccu_nkmp_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw);
 	struct _ccu_nkmp _nkmp;
 
 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
-		rate *= nkmp->fixed_post_div;
+		req->rate *= nkmp->fixed_post_div;
 
-	if (nkmp->max_rate && rate > nkmp->max_rate) {
-		rate = nkmp->max_rate;
+	if (nkmp->max_rate && req->rate > nkmp->max_rate) {
+		req->rate = nkmp->max_rate;
 		if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
-			rate /= nkmp->fixed_post_div;
-		return rate;
+			req->rate /= nkmp->fixed_post_div;
+		return 0;
 	}
 
 	_nkmp.min_n = nkmp->n.min ?: 1;
@@ -152,12 +152,13 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate,
 	_nkmp.min_p = 1;
 	_nkmp.max_p = nkmp->p.max ?: 1 << ((1 << nkmp->p.width) - 1);
 
-	rate = ccu_nkmp_find_best(*parent_rate, rate, &_nkmp);
+	req->rate = ccu_nkmp_find_best(req->best_parent_rate, req->rate,
+				       &_nkmp);
 
 	if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV)
-		rate = rate / nkmp->fixed_post_div;
+		req->rate = req->rate / nkmp->fixed_post_div;
 
-	return rate;
+	return 0;
 }
 
 static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -227,7 +228,7 @@ const struct clk_ops ccu_nkmp_ops = {
 	.is_enabled	= ccu_nkmp_is_enabled,
 
 	.recalc_rate	= ccu_nkmp_recalc_rate,
-	.round_rate	= ccu_nkmp_round_rate,
+	.determine_rate = ccu_nkmp_determine_rate,
 	.set_rate	= ccu_nkmp_set_rate,
 };
 EXPORT_SYMBOL_NS_GPL(ccu_nkmp_ops, "SUNXI_CCU");

-- 
2.50.0