linux-kernel - Re: [PATCH v5 14/24] clk: mediatek: Add MT8192 imp i2c wrapper clock support

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Message-ID: <1605667293.8636.5.camel@mtksdaap41>
Date:   Wed, 18 Nov 2020 10:41:33 +0800
From:   Yingjoe Chen <yingjoe.chen@...iatek.com>
To:     Weiyi Lu <weiyi.lu@...iatek.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
        <srv_heupstream@...iatek.com>
Subject: Re: [PATCH v5 14/24] clk: mediatek: Add MT8192 imp i2c wrapper
 clock support

On Mon, 2020-11-09 at 10:03 +0800, Weiyi Lu wrote:
> Add MT8192 imp i2c wrapper clock provider
> 
> Signed-off-by: Weiyi Lu <weiyi.lu@...iatek.com>
> ---
>  drivers/clk/mediatek/Kconfig                   |   6 ++
>  drivers/clk/mediatek/Makefile                  |   1 +
>  drivers/clk/mediatek/clk-mt8192-imp_iic_wrap.c | 119 +++++++++++++++++++++++++
>  3 files changed, 126 insertions(+)
>  create mode 100644 drivers/clk/mediatek/clk-mt8192-imp_iic_wrap.c
> 
> diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> index eb549f8..8acc7d6 100644
> --- a/drivers/clk/mediatek/Kconfig
> +++ b/drivers/clk/mediatek/Kconfig
> @@ -515,6 +515,12 @@ config COMMON_CLK_MT8192_IMGSYS
>  	help
>  	  This driver supports MediaTek MT8192 imgsys and imgsys2 clocks.
>  
> +config COMMON_CLK_MT8192_IMP_IIC_WRAP
> +	bool "Clock driver for MediaTek MT8192 imp_iic_wrap"
> +	depends on COMMON_CLK_MT8192
> +	help
> +	  This driver supports MediaTek MT8192 imp_iic_wrap clocks.
> +
>  config COMMON_CLK_MT8516
>  	bool "Clock driver for MediaTek MT8516"
>  	depends on ARCH_MEDIATEK || COMPILE_TEST

<...>

> +
> +static struct platform_driver clk_mt8192_imp_iic_wrap_drv = {
> +	.probe = mtk_clk_simple_probe,

Good to have this generic probe function. Now several mtk clk drivers
are just a few data.

But this series still add >10 configs for mt8192 clock drivers. Why do
we need separate configs for clocks of different domain? I don't think
they need lots of resource. We should review the rationale and reduce
the numbers. 


Joe.C