From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: [Patch]8139too: remove unnecessary cast of ioread32()'s return
 value
Date: Sun, 30 May 2010 19:24:18 -0400
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References: <20100530122213.GB1146@host-a-55.ustcsz.edu.cn>	<4C02A1F7.6030701@garzik.org> <20100530.153451.193700815.davem@davemloft.net>
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Cc: romieu@fr.zoreil.com, netdev@vger.kernel.org
To: David Miller <davem@davemloft.net>
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On 05/30/2010 06:34 PM, David Miller wrote:
> From: Jeff Garzik<jeff@garzik.org>
> Date: Sun, 30 May 2010 13:35:51 -0400
>
>> Have you verified this matches all architectures definition of
>> readl()?

> And if it doesn't match, that's an arch bug which should be fixed and
> in any event there is only one possibility of a non-match and that is
> if the routine returns "unsigned long"

That was the genesis of the question.  Some arches still use unsigned long.

	Jeff