linux-kernel - Re: [PATCH] clk: imx: imx8mp-audiomix: Use the auxiliary device creation helper

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Message-ID: <aPmcVGAtCZNaWnFo@lizhi-Precision-Tower-5810>
Date: Wed, 22 Oct 2025 23:09:08 -0400
From: Frank Li <Frank.li@....com>
To: Peng Fan <peng.fan@....com>
Cc: Abel Vesa <abelvesa@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Laurentiu Mihalcea <laurentiu.mihalcea@....com>,
	Shengjiu Wang <shengjiu.wang@....com>, linux-clk@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: imx: imx8mp-audiomix: Use the auxiliary device
 creation helper

On Thu, Oct 23, 2025 at 09:49:32AM +0800, Peng Fan wrote:
> Use the auxiliary device creation helper to remove some boilerplate code.

clk: imx: imx8mp-audiomix: use devm_auxiliary_device_create() to simple code

Use helper function devm_auxiliary_device_create() to remove some
boilerplate code.

Reviewed-by: Frank Li <Frank.Li@....com>

>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  drivers/clk/imx/clk-imx8mp-audiomix.c | 39 ++++-------------------------------
>  1 file changed, 4 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c
> index 775f62dddb11d8cfd17a4ebf7a677ef399c5e617..131702f2c9ecfd693af47094fe61b486ae6e8f6d 100644
> --- a/drivers/clk/imx/clk-imx8mp-audiomix.c
> +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c
> @@ -230,50 +230,19 @@ struct clk_imx8mp_audiomix_priv {
>
>  #if IS_ENABLED(CONFIG_RESET_CONTROLLER)
>
> -static void clk_imx8mp_audiomix_reset_unregister_adev(void *_adev)
> -{
> -	struct auxiliary_device *adev = _adev;
> -
> -	auxiliary_device_delete(adev);
> -	auxiliary_device_uninit(adev);
> -}
> -
> -static void clk_imx8mp_audiomix_reset_adev_release(struct device *dev)
> -{
> -	struct auxiliary_device *adev = to_auxiliary_dev(dev);
> -
> -	kfree(adev);
> -}
> -
>  static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev,
>  							 struct clk_imx8mp_audiomix_priv *priv)
>  {
> -	struct auxiliary_device *adev __free(kfree) = NULL;
> -	int ret;
> +	struct auxiliary_device *adev;
>
>  	if (!of_property_present(dev->of_node, "#reset-cells"))
>  		return 0;
>
> -	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
> +	adev = devm_auxiliary_device_create(dev, "reset", NULL);
>  	if (!adev)
> -		return -ENOMEM;
> -
> -	adev->name = "reset";
> -	adev->dev.parent = dev;
> -	adev->dev.release = clk_imx8mp_audiomix_reset_adev_release;
> -
> -	ret = auxiliary_device_init(adev);
> -	if (ret)
> -		return ret;
> +		return -ENODEV;
>
> -	ret = auxiliary_device_add(adev);
> -	if (ret) {
> -		auxiliary_device_uninit(adev);
> -		return ret;
> -	}
> -
> -	return devm_add_action_or_reset(dev, clk_imx8mp_audiomix_reset_unregister_adev,
> -					no_free_ptr(adev));
> +	return 0;
>  }
>
>  #else /* !CONFIG_RESET_CONTROLLER */
>
> ---
> base-commit: aaa9c3550b60d6259d6ea8b1175ade8d1242444e
> change-id: 20251023-auxiliary-3998bced9cb9
>
> Best regards,
> --
> Peng Fan <peng.fan@....com>
>