linux-kernel - Re: [PATCH net-next v2] net: lantiq: Use devm_platform_get_and_ioremap

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Message-ID: <9e2463ef-dfbe-2e55-4ab5-5d328cfefc29@hauke-m.de>
Date:   Sat, 5 Jun 2021 14:49:26 +0200
From:   Hauke Mehrtens <hauke@...ke-m.de>
To:     Yang Yingliang <yangyingliang@...wei.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org
Subject: Re: [PATCH net-next v2] net: lantiq: Use
 devm_platform_get_and_ioremap_resource()

On 6/5/21 2:21 PM, Yang Yingliang wrote:
> Use devm_platform_get_and_ioremap_resource() to simplify
> code.
> 
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Acked-by: Hauke Mehrtens <hauke@...ke-m.de>

> ---
> v2:
>    remove 'res'
> ---
>   drivers/net/ethernet/lantiq_xrx200.c | 9 +--------
>   1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
> index 36dc3e5f6218..27df06ed355e 100644
> --- a/drivers/net/ethernet/lantiq_xrx200.c
> +++ b/drivers/net/ethernet/lantiq_xrx200.c
> @@ -436,7 +436,6 @@ static int xrx200_probe(struct platform_device *pdev)
>   {
>   	struct device *dev = &pdev->dev;
>   	struct device_node *np = dev->of_node;
> -	struct resource *res;
>   	struct xrx200_priv *priv;
>   	struct net_device *net_dev;
>   	int err;
> @@ -456,13 +455,7 @@ static int xrx200_probe(struct platform_device *pdev)
>   	net_dev->max_mtu = XRX200_DMA_DATA_LEN;
>   
>   	/* load the memory ranges */
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(dev, "failed to get resources\n");
> -		return -ENOENT;
> -	}
> -
> -	priv->pmac_reg = devm_ioremap_resource(dev, res);
> +	priv->pmac_reg = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
>   	if (IS_ERR(priv->pmac_reg))
>   		return PTR_ERR(priv->pmac_reg);
>   
> 


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