netdev - Re: [PATCH net-next 1/2] net: natsemi: xtsonic: switch to use platform_get

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Date:   Mon, 24 Oct 2022 21:11:48 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     <netdev@...r.kernel.org>, <davem@...emloft.net>
Subject: Re: [PATCH net-next 1/2] net: natsemi: xtsonic: switch to use
 platform_get_irq()

On Tue, 25 Oct 2022 11:12:35 +0800 Yang Yingliang wrote:
> Switch to use platform_get_irq() which supports more cases.

More cases of what? You need to explain what you're trying to achieve
and why you're touching this old driver.

> diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c
> index 52fef34d43f9..ffb3814c54cb 100644
> --- a/drivers/net/ethernet/natsemi/xtsonic.c
> +++ b/drivers/net/ethernet/natsemi/xtsonic.c
> @@ -201,14 +201,17 @@ int xtsonic_probe(struct platform_device *pdev)
>  {
>  	struct net_device *dev;
>  	struct sonic_local *lp;
> -	struct resource *resmem, *resirq;
> +	struct resource *resmem;
> +	int irq;
>  	int err = 0;

The variable declaration lines should be sorted longest to shortest.

>  	if ((resmem = platform_get_resource(pdev, IORESOURCE_MEM, 0)) == NULL)
>  		return -ENODEV;
>  
> -	if ((resirq = platform_get_resource(pdev, IORESOURCE_IRQ, 0)) == NULL)
> -		return -ENODEV;
> +	irq = platform_get_irq(pdev, 0);
> +	if (irq < 0)
> +		return irq;
> +
>  

extra new line