netdev - Re: [net-next 04/13] e1000e: cleanup checkpatch PREFER_PR

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Date:	Thu, 23 Aug 2012 07:01:44 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	davem@...emloft.net, Bruce Allan <bruce.w.allan@...el.com>,
	netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com
Subject: Re: [net-next 04/13] e1000e: cleanup checkpatch PREFER_PR_LEVEL
 warning

On Thu, 2012-08-23 at 02:56 -0700, Jeff Kirsher wrote:
> From: Bruce Allan <bruce.w.allan@...el.com>
> 
> checkpatch warning: Prefer pr_info(... to printk(KERN_INFO, ...
[]
> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
[]
> @@ -4330,9 +4330,8 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
>  	u32 ctrl = er32(CTRL);
>  
>  	/* Link status message must follow this format for user tools */
> -	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
> -		adapter->netdev->name,
> -		adapter->link_speed,
> +	pr_info("e1000e: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
> +		adapter->netdev->name, adapter->link_speed,
>  		adapter->link_duplex == FULL_DUPLEX ? "Full" : "Half",
>  		(ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE) ? "Rx/Tx" :
>  		(ctrl & E1000_CTRL_RFCE) ? "Rx" :

I think these conversions are not a good idea.

When you have a specific message format that must be
followed, use printk.

pr_<level> may at some point in the near future use
#define pr_fmt(fmt) KBUiLD_MODNAME ": " fmt
as a global default equivalent.


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