netdev - Re: [PATCH] gianfar: Fix a filer bug

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Date:	Thu, 10 Dec 2009 18:07:12 +0300
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Sandeep Gopalpet <Sandeep.Kumar@...escale.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] gianfar: Fix a filer bug

On Wed, Dec 09, 2009 at 07:25:11PM +0530, Sandeep Gopalpet wrote:
> We need to enable filer whenever we need to use multiple RX
> queues. Also, need to program RIR0 register with the required
> distribution we require, if using RX filer hashing support for
> packet distribution to multiple queues.
> 
> Signed-off-by: Sandeep Gopalpet <Sandeep.Kumar@...escale.com>
> ---
[...]
> -	if (priv->rx_filer_enable)
> +	if (priv->rx_filer_enable) {
>  		rctrl |= RCTRL_FILREN;
> +		/* Program the RIR0 reg with the required distribution */
> +		regs->rir0 = DEFAULT_RIR0;

You cannot access regs directly. You have to use gfar_write
since regs is ioremapped memory.

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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