linux-kernel - Re: [PATCH v3 39/55] clk: mediatek: Split MT8195 clock drivers and allow module build

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Message-ID: <CAGXv+5Eztv3RuXPXSYFd2qH_Wd18OcLNaqO+Lcp4hytjkBarfA@mail.gmail.com>
Date:   Tue, 21 Feb 2023 11:53:57 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     mturquette@...libre.com, sboyd@...nel.org, matthias.bgg@...il.com,
        johnson.wang@...iatek.com, miles.chen@...iatek.com,
        chun-jie.chen@...iatek.com, daniel@...rotopia.org,
        fparent@...libre.com, msp@...libre.com, nfraprado@...labora.com,
        rex-bc.chen@...iatek.com, zhaojh329@...il.com,
        sam.shih@...iatek.com, edward-jw.yang@...iatek.com,
        yangyingliang@...wei.com, granquet@...libre.com,
        pablo.sun@...iatek.com, sean.wang@...iatek.com,
        chen.zhong@...iatek.com, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v3 39/55] clk: mediatek: Split MT8195 clock drivers and
 allow module build

On Mon, Feb 20, 2023 at 11:02 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> MT8195 clock drivers were encapsulated in one single (and big) Kconfig
> option: there's no reason to do that, as it is totally unnecessary to
> build in all or none of them.
>
> Split them out: keep boot-critical clocks as bool and allow choosing
> non critical clocks as tristate.
>
> As a note, the dependencies of VDEC/VENCSYS and CAM/IMG/IPE/WPESYS
> are not for build-time but rather for runtime, as clocks registered
> by those have runtime dependencies on either or both VPP and IMGSYS.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/clk/mediatek/Kconfig  | 100 ++++++++++++++++++++++++++++++++++
>  drivers/clk/mediatek/Makefile |  20 ++++---
>  2 files changed, 113 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> index 45b7aea7648d..49919da2be26 100644
> --- a/drivers/clk/mediatek/Kconfig
> +++ b/drivers/clk/mediatek/Kconfig
> @@ -692,6 +692,106 @@ config COMMON_CLK_MT8195
>          help
>            This driver supports MediaTek MT8195 clocks.
>
> +config COMMON_CLK_MT8195_APUSYS
> +       tristate "Clock driver for MediaTek MT8195 apusys"
> +       depends on COMMON_CLK_MT8195
> +       default COMMON_CLK_MT8195
> +       help
> +         This driver supports MediaTek MT8195 AI Processor Unit System clocks.
> +
> +config COMMON_CLK_MT8195_AUDSYS
> +       tristate "Clock driver for MediaTek MT8195 audsys"
> +       depends on COMMON_CLK_MT8195
> +       default COMMON_CLK_MT8195
> +       help
> +         This driver supports MediaTek MT8195 audsys clocks.
> +
> +config COMMON_CLK_MT8195_IMP_IIC_WRAP
> +       tristate "Clock driver for MediaTek MT8195 imp_iic_wrap"
> +       depends on COMMON_CLK_MT8195
> +       default COMMON_CLK_MT8195
> +       help
> +         This driver supports MediaTek MT8195 I2C/I3C clocks.
> +
> +config COMMON_CLK_MT8195_IPESYS
> +       tristate "Clock driver for MediaTek MT8195 ipesys"
> +       depends on COMMON_CLK_MT8195_IMGSYS

This should also be moved to just after IMGSYS.
This is the only one that is not ordered right, so after it is fixed,

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>