linux-kernel - Re: [PATCH] ethernet: nxp: use resource

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Date:	Tue, 12 Mar 2013 12:10:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	Silviu-Mihai Popescu <silviupopescu1990@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, stigge@...com.de,
	edumazet@...gle.com, gregkh@...uxfoundation.org, jiri@...nulli.us,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ethernet: nxp: use resource_size()

On Tue, 2013-03-12 at 20:30 +0200, Silviu-Mihai Popescu wrote:
> Use resource_size() instead of explicit calculation. This was found via
> make coccicheck.
[]
> diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
[]
> @@ -1421,7 +1421,7 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)
>  	netdev_dbg(ndev, "IO address start     :0x%08x\n",
>  			res->start);
>  	netdev_dbg(ndev, "IO address size      :%d\n",
> -			res->end - res->start + 1);
> +			resource_size(res));

This might be better as

	netdev_dbg(ndev, "IO resource    :%pR\n", res);


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