netdev - Re: [PATCH 1/5] fec: kill warnings

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Date:	Thu, 03 Apr 2008 16:30:48 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Sebastian Siewior <bigeasy@...utronix.de>
CC:	Jeff Garzik <jgarzik@...ox.com>, netdev@...r.kernel.org,
	uclinux-dev@...inux.org
Subject: Re: [PATCH 1/5] fec: kill warnings

Hi Sebastian,

Sebastian Siewior wrote:
> linux-2.6-mk68/drivers/net/fec.c: In function 'fec_enet_module_init':
> linux-2.6-mk68/drivers/net/fec.c:2627: warning: unused variable 'j'
> linux-2.6-mk68/drivers/net/fec.c: At top level:
> linux-2.6-mk68/drivers/net/fec.c:2136: warning: 'mii_link_interrupt' defined but not used
> 
> Signed-off-by: Sebastian Siewior <bigeasy@...utronix.de>
> --- a/drivers/net/fec.c
> +++ b/drivers/net/fec.c
> @@ -67,6 +67,11 @@
>  #define	FEC_MAX_PORTS	1
>  #endif
>  
> +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
> +	defined(CONFIG_M520x) || defined(CONFIG_M532x)
> +#define DONT_NEED_mii_link_interrupt

I think using normal positive logic would be clearer, eg:

   HAVE_mii_link_interupt

Very few of the boards I have come across with the FEC silicon
actually hook up the MII interrupt, so the list of devices that
have it will be smaller.

Regards
Greg



> +#endif
> +
>  /*
>   * Define the fixed address of the FEC hardware.
>   */
> @@ -1222,7 +1227,7 @@ static phy_info_t const * const phy_info
>  };
>  
>  /* ------------------------------------------------------------------------- */
> -#if !defined(CONFIG_M532x)
> +#ifndef DONT_NEED_mii_link_interrupt
>  #ifdef CONFIG_RPXCLASSIC
>  static void
>  mii_link_interrupt(void *dev_id);
> @@ -2126,6 +2131,7 @@ mii_discover_phy(uint mii_reg, struct ne
>  
>  /* This interrupt occurs when the PHY detects a link change.
>  */
> +#ifndef DONT_NEED_mii_link_interrupt
>  #ifdef CONFIG_RPXCLASSIC
>  static void
>  mii_link_interrupt(void *dev_id)
> @@ -2148,6 +2154,7 @@ mii_link_interrupt(int irq, void * dev_i
>  
>  	return IRQ_HANDLED;
>  }
> +#endif
>  
>  static int
>  fec_enet_open(struct net_device *dev)
> @@ -2624,7 +2631,7 @@ fec_stop(struct net_device *dev)
>  static int __init fec_enet_module_init(void)
>  {
>  	struct net_device *dev;
> -	int i, j, err;
> +	int i, err;
>  	DECLARE_MAC_BUF(mac);
>  
>  	printk("FEC ENET Version 0.2\n");
> 

-- 
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Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg@...pgear.com
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