linux-kernel - Re: [PATCH V3 1/1] clk: imx8mp: Alias M7 SRC/DIV to M7 CORE

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Message-ID: <20221213105124.rivhfvxcazrgum24@pengutronix.de>
Date:   Tue, 13 Dec 2022 11:51:24 +0100
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>
Cc:     abelvesa@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        18701859600@....com, bsp-development.geo@...ca-geosystems.com
Subject: Re: [PATCH V3 1/1] clk: imx8mp: Alias M7 SRC/DIV to M7 CORE

Hi Li,

On 22-12-13, LI Qingwu wrote:
> Defined IMX8MP_CLK_M7_SRC and IMX8MP_CLK_M7_DIV in imx8mp-clock.h
> but never assigned. It will cause the system to hang if using them.
> Alias IMX8MP_CLK_M7_SRC and IMX8MP_CLK_M7_DIV to IMX8MP_CLK_M7_CORE
> for backward compatibility.
> 
> Fixes: 8c83a8ff4dd9 (clk: imx8mp: use imx8m_clk_hw_composite_core to simplify code)
> Signed-off-by: LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>
> ---
>  drivers/clk/imx/clk-imx8mp.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
> index 652ae58c2735..db03d632ea8d 100644
> --- a/drivers/clk/imx/clk-imx8mp.c
> +++ b/drivers/clk/imx/clk-imx8mp.c
> @@ -522,6 +522,9 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
>  	hws[IMX8MP_CLK_A53_SRC] = hws[IMX8MP_CLK_A53_DIV];
>  	hws[IMX8MP_CLK_A53_CG] = hws[IMX8MP_CLK_A53_DIV];
>  	hws[IMX8MP_CLK_M7_CORE] = imx8m_clk_hw_composite_core("m7_core", imx8mp_m7_sels, ccm_base + 0x8080);
> +	hws[IMX8MP_CLK_M7_DIV] = hws[IMX8MP_CLK_M7_CORE];
> +	hws[IMX8MP_CLK_M7_SRC] = hws[IMX8MP_CLK_M7_CORE];
> +

Last nit, I wouldn't add a newline here. Apart from that

Reviewed-by: Marco Felsch <m.felsch@...gutronix.de>

>  	hws[IMX8MP_CLK_ML_CORE] = imx8m_clk_hw_composite_core("ml_core", imx8mp_ml_sels, ccm_base + 0x8100);
>  	hws[IMX8MP_CLK_GPU3D_CORE] = imx8m_clk_hw_composite_core("gpu3d_core", imx8mp_gpu3d_core_sels, ccm_base + 0x8180);
>  	hws[IMX8MP_CLK_GPU3D_SHADER_CORE] = imx8m_clk_hw_composite("gpu3d_shader_core", imx8mp_gpu3d_shader_sels, ccm_base + 0x8200);
> -- 
> 2.25.1
> 
> 
>