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Date: Thu, 29 Nov 2001 20:40:06 +0100 (CET)
From: =?ISO-8859-1?Q?G=E9rard_Roudier?= <groudier@free.fr>
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To: "David S. Miller" <davem@redhat.com>
Cc: <matthias@winterdrache.de>, <linux-kernel@vger.kernel.org>
Subject: Re: sym53c875: reading /proc causes SCSI parity error
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On Wed, 28 Nov 2001, David S. Miller wrote:

>    From: Gérard Roudier <groudier@free.fr>
>    Date: Wed, 28 Nov 2001 20:51:01 +0100 (CET)
>
>    On Wed, 28 Nov 2001, David S. Miller wrote:
>
>    > Why not just put some bitmap pointer into the pci device
>    > struct.  If it is non-NULL, it specifies PCI config space
>    > areas which have side-effects.
>
>    Or a simple offset beyond which reading data isn't desirable for
>    whatever reasons.
>
> I do not think that is sufficient.
>
> I have seen chips where only one single PCI config space word would
> trigger problems, and it was due to a hw bug.  The "offset beyond"
> scheme would not allow to cover this case.

OK. I ignored that such weirdness existed.

  Gérard.