From: Christoph Hellwig <hch@lst.de>
To: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Cc: "Randy.Dunlap" <rddunlap@osdl.org>,
jejb@steeleye.com, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] fix check_region usage in eata_pio
Date: Wed, 2 Jun 2004 23:41:02 +0200 [thread overview]
Message-ID: <20040602214102.GA2689@lst.de> (raw)
In-Reply-To: <547AF3BD0F3F0B4CBDC379BAC7E4189FAD51AC@otce2k03.adaptec.com>
On Wed, Jun 02, 2004 at 09:24:40AM -0400, Salyzyn, Mark wrote:
> As one of the engineers that developed this card, the EATA ISA cards
> take 9 bytes of accessible space. I strongly recommend this patch since
> taking 8 carries with it risks.
>
> The EISA and PCI cards took 32 and 16 bytes respectively though, which
> should not be a problem since these are (BIOS) managed resources. The
> PCI card when forced to occupy ISA addresses (170 and 1F0) typically did
> not collide with other ISA resources since most cards occupy several
> registers on even boundaries and could not be placed into the touchy +9
> to +15 region.
Thanks a lot for the information. I'll rework the patch to take that
into account.
You don't happen to have some of these boards still around at adaptec,
do you? :)
next prev parent reply other threads:[~2004-06-02 21:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-02 13:24 [PATCH] fix check_region usage in eata_pio Salyzyn, Mark
2004-06-02 21:41 ` Christoph Hellwig [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-31 12:00 Christoph Hellwig
2004-06-01 22:56 ` Randy.Dunlap
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