[PATCH 01/10] clk: bcm: bcm2835: convert from round_rate() to determine_rate()

Brian Masney bmasney at redhat.com
Thu Jul 3 16:22:25 PDT 2025


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 at redhat.com>
---
 drivers/clk/bcm/clk-bcm2835.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index fb04734afc806286b6a68996f36bd8a49b542cc8..5e7788406de39c94884cbc3aa162c378443322c0 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -570,18 +570,23 @@ static long bcm2835_pll_rate_from_divisors(unsigned long parent_rate,
 	return rate >> A2W_PLL_FRAC_BITS;
 }
 
-static long bcm2835_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
+static int bcm2835_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct bcm2835_pll *pll = container_of(hw, struct bcm2835_pll, hw);
 	const struct bcm2835_pll_data *data = pll->data;
 	u32 ndiv, fdiv;
 
-	rate = clamp(rate, data->min_rate, data->max_rate);
+	req->rate = clamp(req->rate, data->min_rate, data->max_rate);
 
-	bcm2835_pll_choose_ndiv_and_fdiv(rate, *parent_rate, &ndiv, &fdiv);
+	bcm2835_pll_choose_ndiv_and_fdiv(req->rate, req->best_parent_rate,
+					 &ndiv, &fdiv);
 
-	return bcm2835_pll_rate_from_divisors(*parent_rate, ndiv, fdiv, 1);
+	req->rate = bcm2835_pll_rate_from_divisors(req->best_parent_rate,
+						   ndiv, fdiv,
+						   1);
+
+	return 0;
 }
 
 static unsigned long bcm2835_pll_get_rate(struct clk_hw *hw,
@@ -783,7 +788,7 @@ static const struct clk_ops bcm2835_pll_clk_ops = {
 	.unprepare = bcm2835_pll_off,
 	.recalc_rate = bcm2835_pll_get_rate,
 	.set_rate = bcm2835_pll_set_rate,
-	.round_rate = bcm2835_pll_round_rate,
+	.determine_rate = bcm2835_pll_determine_rate,
 	.debug_init = bcm2835_pll_debug_init,
 };
 

-- 
2.50.0




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