linux-kernel - [PATCH v1 6/6] clk: stm32mp1: Switch to clk_divider.determine

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Date:   Sat,  3 Jul 2021 00:51:45 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-clk@...r.kernel.org, sboyd@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH v1 6/6] clk: stm32mp1: Switch to clk_divider.determine_rate

.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-stm32@...md-mailman.stormreply.com
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 drivers/clk/clk-stm32mp1.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index 256575bd29b9..4bd1fe7d8af4 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -1076,14 +1076,10 @@ static int clk_divider_rtc_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static int clk_divider_rtc_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
-	unsigned long best_parent_rate = req->best_parent_rate;
+	if (req->best_parent_hw == clk_hw_get_parent_by_index(hw, HSE_RTC))
+		return clk_divider_ops.determine_rate(hw, req);
 
-	if (req->best_parent_hw == clk_hw_get_parent_by_index(hw, HSE_RTC)) {
-		req->rate = clk_divider_ops.round_rate(hw, req->rate, &best_parent_rate);
-		req->best_parent_rate = best_parent_rate;
-	} else {
-		req->rate = best_parent_rate;
-	}
+	req->rate = req->best_parent_rate;
 
 	return 0;
 }
-- 
2.32.0