linux-kernel - Re: [PATCH] usb: chipidea: Remove usage of the deprecated ida_simple

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Date:   Mon, 11 Dec 2023 09:44:56 +0800
From:   Peter Chen <peter.chen@...nel.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: chipidea: Remove usage of the deprecated
 ida_simple_xx() API

On 23-12-10 18:43:56, Christophe JAILLET wrote:
> ida_alloc() and ida_free() should be preferred to the deprecated
> ida_simple_get() and ida_simple_remove().
> 
> This is less verbose.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Acked-by: Peter Chen <peter.chen@...nel.org>

> ---
>  drivers/usb/chipidea/core.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> index 7ac39a281b8c..0af9e68035fb 100644
> --- a/drivers/usb/chipidea/core.c
> +++ b/drivers/usb/chipidea/core.c
> @@ -862,7 +862,7 @@ struct platform_device *ci_hdrc_add_device(struct device *dev,
>  	if (ret)
>  		return ERR_PTR(ret);
>  
> -	id = ida_simple_get(&ci_ida, 0, 0, GFP_KERNEL);
> +	id = ida_alloc(&ci_ida, GFP_KERNEL);
>  	if (id < 0)
>  		return ERR_PTR(id);
>  
> @@ -892,7 +892,7 @@ struct platform_device *ci_hdrc_add_device(struct device *dev,
>  err:
>  	platform_device_put(pdev);
>  put_id:
> -	ida_simple_remove(&ci_ida, id);
> +	ida_free(&ci_ida, id);
>  	return ERR_PTR(ret);
>  }
>  EXPORT_SYMBOL_GPL(ci_hdrc_add_device);
> @@ -901,7 +901,7 @@ void ci_hdrc_remove_device(struct platform_device *pdev)
>  {
>  	int id = pdev->id;
>  	platform_device_unregister(pdev);
> -	ida_simple_remove(&ci_ida, id);
> +	ida_free(&ci_ida, id);
>  }
>  EXPORT_SYMBOL_GPL(ci_hdrc_remove_device);
>  
> -- 
> 2.34.1
> 

-- 

Thanks,
Peter Chen