linux-kernel - Re: [PATCH] sata_promise: Port enumeration order

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Date:	Sat, 16 Dec 2006 12:09:00 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Evan Harris <eharris@...emagic.com>
CC:	Milan Kupcevic <milan@...sics.harvard.edu>,
	Fabian Knittel <fabian.knittel@...na.com>,
	linux-scsi@...r.kernel.org,
	Linux Kernel List <linux-kernel@...r.kernel.org>,
	Eyal Lebedinsky <eyal@...l.emu.id.au>,
	Stan Seibert <volsung@...lsnare.net>,
	linux-ide@...r.kernel.org,
	Christiaan den Besten <chris@...rpion.nl>,
	Mikael Pettersson <mikpe@...uu.se>
Subject: Re: [PATCH] sata_promise: Port enumeration order - SATA 150 TX4,
 SATA 300 TX4

Evan Harris wrote:
> 
> I have a card that mirrors this one from your list:
> 
> Retail name: SATA300 TX4
> Chip label: PDC40718-GP  SATAII300
> Vendor-Device number: 105a:3d17 (rev 02)
> 
> Through testing, I've found linux 2.6.16 and 2.6.17 find the ports in 
> this order (the list is ordered by linux detection):
> 
> 1. silkscreen port 3
> 2. silkscreen port 2
> 3. silkscreen port 4
> 4. silkscreen port 1
>> NOTE: the patch I have submitted ( 
>> http://marc.theaimsgroup.com/?l=linux-ide&m=114082978311290&w=2 ) is a 
>> solution that doesn't know about the older Promise SATA controllers, 
>> which are not affected with the "new wiring" problem, so the older 
>> controllers will appear screwed if you use it.
>>
>> Hopefully we will collect enough info about all the SATA Promise 
>> controllers to distinguish the new and the old wiring controllers, 
>> then produce a new patch that will be a correct solution to the "new 
>> wiring" problem.

Mikael Pettersson has been doing some excellent work recently on 
sata_promise.  If enough data has been collected on this sata_promise 
port enumeration problem, maybe the data could be collated and proposed 
via Mikael as a patch?

	Jeff


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