netdev - Re: [PATCH] sky2: Set SKY2_HW_RAM_BUFFER in sky2

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Date:	Mon, 21 Sep 2009 19:50:41 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Mike McCormack <mikem@...g3k.org>,
	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] sky2: Set SKY2_HW_RAM_BUFFER in sky2_init

On Mon, 21 Sep 2009 23:08:52 +0900
Mike McCormack <mikem@...g3k.org> wrote:

> The SKY2_HW_RAM_BUFFER bit in hw->flags was checked in sky2_mac_init(),
>  before being set later in sky2_up().
> 
> Setting SKY2_HW_RAM_BUFFER in sky2_init() where other hw->flags are set
>  should avoid this problem recurring.
> 
> Signed-off-by: Mike McCormack <mikem@...g3k.org>
> ---
>  drivers/net/sky2.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
> index 4bb52e9..68d256b 100644
> --- a/drivers/net/sky2.c
> +++ b/drivers/net/sky2.c
> @@ -1497,7 +1497,6 @@ static int sky2_up(struct net_device *dev)
>  	if (ramsize > 0) {
>  		u32 rxspace;
>  
> -		hw->flags |= SKY2_HW_RAM_BUFFER;
>  		pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
>  		if (ramsize < 16)
>  			rxspace = ramsize / 2;
> @@ -2926,6 +2925,9 @@ static int __devinit sky2_init(struct sky2_hw *hw)
>  			++hw->ports;
>  	}
>  
> +	if (sky2_read8(hw, B2_E_0))
> +		hw->flags |= SKY2_HW_RAM_BUFFER;
> +
>  	return 0;
>  }
>  

This should go to stable tree as well.

Acked-by: Stephen Hemminger <shemminger@...tta.com>

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