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Message-ID: <14568b67-91bc-5ed3-e887-41e265993033@quicinc.com>
Date:   Mon, 9 Jan 2023 10:42:52 -0800
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Subject: Re: Out-of-tree devfreq governor header
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From:   John Moon <quic_johmoo@quicinc.com>
To:     <myungjoo.ham@samsung.com>, <kyungmin.park@samsung.com>,
        <cw00.choi@samsung.com>
CC:     <linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
        <ccooper@quicinc.com>, <mkrom@qti.qualcomm.com>,
        <quic_tsoni@quicinc.com>
References: <58121e22-a992-e8c8-2add-e3279be25185@quicinc.com>
In-Reply-To: <58121e22-a992-e8c8-2add-e3279be25185@quicinc.com>
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Fixing CC list. Apologies!

On 1/9/2023 10:30 AM, John Moon wrote:
> Hi all,
> 
> We have an out-of-tree devfreq governor which uses the "governor.h" 
> header from "drivers/devfreq". The source code for the governor is 
> public on CodeLinaro [1].
> 
> Currently, the driver directly includes the "governor.h" header even 
> though it's not a public header. A comment at the top of "governor.h" 
> says explicitly: "This header is for devfreq governors in 
> drivers/devfreq/".
> 
> Could you please advise the best way to use this private devfreq header 
> from an out-of-tree governor? Could we move the header into 
> "include/linux"?
> 
> [1]: 
> https://git.codelinaro.org/clo/la/platform/vendor/qcom/opensource/graphics-kernel/-/blob/gfx-kernel.lnx.1.0.r3-rel/governor_msm_adreno_tz.c#L20
> 
> Thanks,
> John