linux-kernel - Re: [PATCH v2 44/47] clk: mediatek: Split configuration options for MT8186 clock drivers

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Date:   Fri, 17 Feb 2023 15:38:44 +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, kernel@...labora.com
Subject: Re: [PATCH v2 44/47] clk: mediatek: Split configuration options for
 MT8186 clock drivers

On Tue, Feb 14, 2023 at 9:42 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> When building clock drivers for MT8186, some may want to build in only
> some of them to, for example, get CPUFreq up faster, and some may want
> to leave out some clock drivers entirely as a machine may not need the
> Warp Engine or the camera ISP (hence, their clock drivers).
>
> Split the various clock drivers in their own configuration options,
> keeping MT8186 configuration options consistent with other MediaTek
> SoCs.
>
> While at it, also allow building the remaining clock drivers as modules
> by switching COMMON_CLK_MT8186 to tristate.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/clk/mediatek/Kconfig  | 68 ++++++++++++++++++++++++++++++++++-
>  drivers/clk/mediatek/Makefile | 18 +++++++---
>  2 files changed, 80 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> index 1497171a65ef..706a7cf86ce0 100644
> --- a/drivers/clk/mediatek/Kconfig
> +++ b/drivers/clk/mediatek/Kconfig
> @@ -596,7 +596,7 @@ config COMMON_CLK_MT8183_VENCSYS
>           This driver supports MediaTek MT8183 vencsys clocks.
>
>  config COMMON_CLK_MT8186
> -       bool "Clock driver for MediaTek MT8186"
> +       tristate "Clock driver for MediaTek MT8186"
>         depends on ARM64 || COMPILE_TEST
>         select COMMON_CLK_MEDIATEK
>         select COMMON_CLK_MEDIATEK_FHCTL
> @@ -604,6 +604,72 @@ config COMMON_CLK_MT8186
>         help
>           This driver supports MediaTek MT8186 clocks.
>
> +config COMMON_CLK_MT8186_CAMSYS
> +       tristate "Clock driver for MediaTek MT8186 camsys"
> +       depends on COMMON_CLK_MT8186
> +       help
> +         This driver supports MediaTek MT8186 camsys and camsys_raw clocks.
> +
> +config COMMON_CLK_MT8186_IMGSYS
> +       tristate "Clock driver for MediaTek MT8186 imgsys"
> +       depends on COMMON_CLK_MT8186
> +       help
> +         This driver supports MediaTek MT8186 imgsys and imgsys2 clocks.
> +
> +config COMMON_CLK_MT8186_IMP_IIC_WRAP
> +       tristate "Clock driver for MediaTek MT8186 imp_iic_wrap"
> +       depends on COMMON_CLK_MT8186
> +       help
> +         This driver supports MediaTek MT8186 imp_iic_wrap clocks.
> +
> +config COMMON_CLK_MT8186_IPESYS
> +       tristate "Clock driver for MediaTek MT8186 ipesys"
> +       depends on COMMON_CLK_MT8186_IMGSYS

Same comments as MT8195 about the ordering and mentioning dependency
reasoning in the commit log.

ChenYu