linux-kernel - Re: [PATCH v1 08/45] clk: mediatek: mt2712: Move apmixedsys clock driver to its own file

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Message-ID: <CAGXv+5EFKxx8-8aD1VeMpPmNsztPJMsirpDc4Nd17ZMi7ED_9Q@mail.gmail.com>
Date:   Tue, 7 Feb 2023 14:50:34 +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 v1 08/45] clk: mediatek: mt2712: Move apmixedsys clock
 driver to its own file

On Mon, Feb 6, 2023 at 11:29 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> The only clock driver that does not support mtk_clk_simple_probe() is
> apmixedsys: in preparation for enabling module build of non-critical
> mt2712 clocks, move this to its own file.
> While at it, also fix some indentation issues in the PLLs table.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/clk/mediatek/Makefile                |   2 +-
>  drivers/clk/mediatek/clk-mt2712-apmixedsys.c | 152 +++++++++++++++++
>  drivers/clk/mediatek/clk-mt2712.c            | 164 -------------------
>  3 files changed, 153 insertions(+), 165 deletions(-)
>  create mode 100644 drivers/clk/mediatek/clk-mt2712-apmixedsys.c

`git diff --color-moved=dimmed-zebra --color-moved-ws=ignore-all-space`
agrees this is mostly code movement.

> diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
> index e5d018270ed0..3c7dd19cdddf 100644
> --- a/drivers/clk/mediatek/Makefile
> +++ b/drivers/clk/mediatek/Makefile
> @@ -38,7 +38,7 @@ obj-$(CONFIG_COMMON_CLK_MT2701_HIFSYS) += clk-mt2701-hif.o
>  obj-$(CONFIG_COMMON_CLK_MT2701_IMGSYS) += clk-mt2701-img.o
>  obj-$(CONFIG_COMMON_CLK_MT2701_MMSYS) += clk-mt2701-mm.o
>  obj-$(CONFIG_COMMON_CLK_MT2701_VDECSYS) += clk-mt2701-vdec.o
> -obj-$(CONFIG_COMMON_CLK_MT2712) += clk-mt2712.o
> +obj-$(CONFIG_COMMON_CLK_MT2712) += clk-mt2712.o clk-mt2712-apmixedsys.o
>  obj-$(CONFIG_COMMON_CLK_MT2712_BDPSYS) += clk-mt2712-bdp.o
>  obj-$(CONFIG_COMMON_CLK_MT2712_IMGSYS) += clk-mt2712-img.o
>  obj-$(CONFIG_COMMON_CLK_MT2712_JPGDECSYS) += clk-mt2712-jpgdec.o
> diff --git a/drivers/clk/mediatek/clk-mt2712-apmixedsys.c b/drivers/clk/mediatek/clk-mt2712-apmixedsys.c
> new file mode 100644
> index 000000000000..e841be3a02c9
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt2712-apmixedsys.c
> @@ -0,0 +1,152 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2017 MediaTek Inc.
> + * Copyright (c) 2023 Collabora Ltd.
> + * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

I think the original author still applies, given you are mostly just
moving the code?

[...]

> +static const struct of_device_id of_match_clk_mt2712_apmixed[] = {
> +       { .compatible = "mediatek,mt2712-apmixedsys" },
> +       { /* sentinel */ }
> +};
> +
> +static struct platform_driver clk_mt2712_apmixed_drv = {
> +       .probe = clk_mt2712_apmixed_probe,
> +       .driver = {
> +               .name = "clk-mt2712",

I'd change the name as well, but I'm not sure if that constitutes a
uAPI change.

> +               .of_match_table = of_match_clk_mt2712_apmixed,
> +       },
> +};
> +builtin_platform_driver(clk_mt2712_apmixed_drv)


ChenYu