linux-kernel - Re: [PATCH v4 2/4] clk: qcom: Add CMN PLL clock controller driver for IPQ SoC

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Message-ID: <05870487-2119-474c-9b28-1d785980780e@quicinc.com>
Date: Fri, 18 Oct 2024 14:49:12 +0800
From: Jie Luo <quic_luoj@...cinc.com>
To: Stephen Boyd <sboyd@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh@...nel.org>, Will Deacon <will@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <quic_kkumarcs@...cinc.com>,
        <quic_suruchia@...cinc.com>, <quic_pavir@...cinc.com>,
        <quic_linchen@...cinc.com>, <quic_leiwei@...cinc.com>,
        <bartosz.golaszewski@...aro.org>, <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH v4 2/4] clk: qcom: Add CMN PLL clock controller driver for
 IPQ SoC



On 10/18/2024 1:40 AM, Stephen Boyd wrote:
> Quoting Jie Luo (2024-10-17 08:35:43)
>> On 10/17/2024 5:37 AM, Stephen Boyd wrote:
>>> Quoting Luo Jie (2024-10-15 07:16:52)
>>>> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
>>>> index 30eb8236c9d8..3def659fc5cb 100644
>>>> --- a/drivers/clk/qcom/Kconfig
>>>> +++ b/drivers/clk/qcom/Kconfig
>>>> @@ -190,6 +190,16 @@ config IPQ_APSS_6018
>>>>             Say Y if you want to support CPU frequency scaling on
>>>>             ipq based devices.
>>>>    
>>>> +config IPQ_CMN_PLL
>>>> +       tristate "IPQ CMN PLL Clock Controller"
>>>> +       depends on IPQ_GCC_9574
>>> What is the build dependency?
>> Will remove this dependency. There is no build dependency on
>> IPQ_GCC_9574, but only a functional dependency on the SoC's GCC block
>> since the CMNPLL consumes AHB/SYS clocks from the GCC.
> Ok. It can probably be a select or imply statement then.

Thanks for suggestions. I will enhance the help text to imply the GCC
dependency.