linux-kernel - Re: [patch 2.6.22-rc6] ATA: add a PCI ID for Intel Santa Rosa PATA controller

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Date:	Wed, 04 Jul 2007 16:03:28 +0200
From:	Thorsten Leemhuis <thl@...heise.de>
To:	Chr <chunkeey@....de>
CC:	Thorsten Leemhuis <fedora@...mhuis.info>,
	Chuck Ebbert <cebbert@...hat.com>,
	Jeff Garzik <jeff@...zik.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Jason Gaston <jason.d.gaston@...el.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 2.6.22-rc6] ATA: add a PCI ID for Intel Santa Rosa PATA
 controller

On 02.07.2007 16:36, Chr wrote:
> On Monday, 2. July 2007, Thorsten Leemhuis wrote:
>>> but Alan Cox wrote:
>>> http://www.mail-archive.com/linux-ide%40vger.kernel.org/msg07417.html
>>>> Its ich_pata_133 - all the newer chips are.
>> Intel afaik never supported Ultra ATA 133 officially in any of the
>> mainstream desktop or mobile chipsets.
> You're probably right! But, what about Intel's ICH5 and ICH7/7-R (i945, i975)?
> 
> see ata_piix.c: line 193ff
> 	{ 0x8086, 0x24DB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_133 },
> [...]
> 	{ 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_133 },

Maybe Alan or someone from Intel can answer that and thus tell us how to
move forward; it would be really nice to get the patch that started this
thread (it got posted by Chuck again today) could go into 2.6.22, but I
assume the time runs away...

> On the other hand, we can leave it, because of a "off-by-one error" in ata_piix.c, 
> do_pata_set_dmamode, line ~770:
> [...]

/me gets confused by that stuff and leaves the answer to that part to
more knowledged people...

CU
thl
-- 
Thorsten Leemhuis
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