linux-kernel - Re: [PATCH 3/3] clk: samsung: add Exynos ACPM clock driver

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Message-ID: <720799b1-04ce-46da-b643-1adbdfc661e6@linaro.org>
Date: Fri, 22 Aug 2025 09:14:03 +0100
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Brian Masney <bmasney@...hat.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Peter Griffin
 <peter.griffin@...aro.org>, André Draszik
 <andre.draszik@...aro.org>, Michael Turquette <mturquette@...libre.com>,
 Stephen Boyd <sboyd@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>,
 Alim Akhtar <alim.akhtar@...sung.com>,
 Sylwester Nawrocki <s.nawrocki@...sung.com>,
 Chanwoo Choi <cw00.choi@...sung.com>, linux-kernel@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
 willmcvicker@...gle.com, kernel-team@...roid.com
Subject: Re: [PATCH 3/3] clk: samsung: add Exynos ACPM clock driver



On 8/21/25 7:34 PM, Brian Masney wrote:
> Hi Tudor,

Hi, Brian,

> 
> On Tue, Aug 19, 2025 at 11:45:38AM +0000, Tudor Ambarus wrote:
>> +static long acpm_clk_round_rate(struct clk_hw *hw, unsigned long rate,
>> +				unsigned long *parent_rate)
>> +{
>> +	/*
>> +	 * We can't figure out what rate it will be, so just return the
>> +	 * rate back to the caller. acpm_clk_recalc_rate() will be called
>> +	 * after the rate is set and we'll know what rate the clock is
>> +	 * running at then.
>> +	 */
>> +	return rate;
>> +}
> 
> ...
> 
>> +
>> +static const struct clk_ops acpm_clk_ops = {
>> +	.recalc_rate = acpm_clk_recalc_rate,
>> +	.round_rate = acpm_clk_round_rate,
>> +	.set_rate = acpm_clk_set_rate,
>> +};
> 
> The round_rate clk op is deprecated. Please convert this over to use
> determine_rate.

I can do that, sure. Shall I also update the kdoc for round_rate(), mark it
as deprecated and add your Suggested-by tag? It would help other newcomers.

Thanks,
ta