linux-kernel - Re: net: fec: fix regression on i.MX28 introduced by rx

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Date:	Wed, 05 Nov 2014 15:52:07 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	LW@...O-electronics.de
Cc:	fabio.estevam@...escale.com, Frank.Li@...escale.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	rmk+kernel@....linux.org.uk, linux-arm-kernel@...ts.infradead.org
Subject: Re: net: fec: fix regression on i.MX28 introduced by rx_copybreak
 support

From: Lothar Waßmann <LW@...O-electronics.de>
Date: Wed, 5 Nov 2014 06:21:48 +0100

> David Miller wrote:
>> Because it goes "(n + (d - 1)) / d"
>> 
>> Which for 'd' of 4 gives:
>> 
>> 1 --> 4
>> 2 --> 4
>> 3 --> 4
>> 4 --> 4
>>
> '1', not '4'.
> The loop has to be done once for each (probably partial) WORD of input
> data, not for each BYTE.

You're right, thanks for being so patient with me.

Please repost your patch, I'll integrate it.

Thanks.
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