Re: [PATCH v3 6/7] clk: clk-imx8mp-audiomix: use the auxiliary device creation helper

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Jerome Brunet wrote:
> The auxiliary device creation of this driver is simple enough to
> use the available auxiliary device creation helper.
> 
> Use it and remove some boilerplate code.
> 
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
>  drivers/clk/imx/clk-imx8mp-audiomix.c | 56 ++++-------------------------------
>  1 file changed, 6 insertions(+), 50 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c
> index c409fc7e061869988f83c7df3ef7860500426323..988a5fffeb4e0e481ec57038d9d1f1b43432fc98 100644
> --- a/drivers/clk/imx/clk-imx8mp-audiomix.c
> +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c
> @@ -228,64 +228,20 @@ struct clk_imx8mp_audiomix_priv {
>  	struct clk_hw_onecell_data clk_data;
>  };
>  
> -#if IS_ENABLED(CONFIG_RESET_CONTROLLER)

I see the Kconfig ...

        select AUXILIARY_BUS if RESET_CONTROLLER

But I don't see how this code is omitted without AUXILIARY_BUS.  Is this
kconfig check safe to remove?

Ira

> -
> -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)
> +static int clk_imx8mp_audiomix_reset_controller_register(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);
> -	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;
> -
> -	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));
> -}
> -
> -#else /* !CONFIG_RESET_CONTROLLER */
> +	adev = devm_auxiliary_device_create(dev, "reset", NULL, 0);
> +	if (IS_ERR_OR_NULL(adev))
> +		return PTR_ERR(adev);
>  
> -static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev,
> -							 struct clk_imx8mp_audiomix_priv *priv)
> -{
>  	return 0;
>  }
>  
> -#endif /* !CONFIG_RESET_CONTROLLER */
> -
>  static void clk_imx8mp_audiomix_save_restore(struct device *dev, bool save)
>  {
>  	struct clk_imx8mp_audiomix_priv *priv = dev_get_drvdata(dev);
> @@ -408,7 +364,7 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev)
>  	if (ret)
>  		goto err_clk_register;
>  
> -	ret = clk_imx8mp_audiomix_reset_controller_register(dev, priv);
> +	ret = clk_imx8mp_audiomix_reset_controller_register(dev);
>  	if (ret)
>  		goto err_clk_register;
>  
> 
> -- 
> 2.45.2
> 





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