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From: Jeff Garzik <jgarzik@pobox.com>
To: Mark Lord <mlord@pobox.com>
Cc: Albert Lee <albertcc@tw.ibm.com>,
	Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	Doug Maxey <dwm@maxeymade.com>,
	IDE Linux <linux-ide@vger.kernel.org>
Subject: Re: [PATCH libata-dev-2.6] Issue INITIALIZE DEVICE PARAMETERS for CHS only devices
Date: Wed, 23 Feb 2005 22:15:05 -0500	[thread overview]
Message-ID: <421D46B9.5060602@pobox.com> (raw)
In-Reply-To: <421D458E.4070909@pobox.com>

Mark Lord wrote:
> Albert Lee wrote:
> 
>>
>>   If the device supports LBA, then IDP is not issued in my patch. Is 
>> this OK?
> 
> 
> It has been about a decade, but my memory vaguely suggests
> that I tried that once before, and some LBA-capable drives
> still required the IDP before they would function normally.
> 
> I think anything ATA-4 or later was fine, though.

So a safe rule would be

	if (ATA < 4)
		issue init-dev-params
	if (lba)
		...current code...
	else /* CHS */
		...current code...

?

	Jeff




  reply	other threads:[~2005-02-24  3:15 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-06  6:02 [PATCH libata-dev-2.6 1/3] Add CHS support Albert Lee
2005-02-06  6:26 ` Jeff Garzik
2005-02-06 14:41   ` Mark Lord
2005-02-06 15:00     ` Jeff Garzik
2005-02-06 22:02       ` Mark Lord
2005-02-14 11:09   ` Albert Lee
2005-02-14 11:17     ` Albert Lee
2005-02-14 11:23       ` Albert Lee
2005-02-18 23:40 ` Jeff Garzik
2005-02-22  3:35   ` Albert Lee
2005-02-23 11:25   ` [PATCH libata-dev-2.6] Issue INITIALIZE DEVICE PARAMETERS for CHS only devices Albert Lee
2005-02-23 14:48     ` Mark Lord
2005-02-24  2:36       ` Albert Lee
2005-02-24  2:53         ` Jeff Garzik
2005-02-24  5:29           ` Albert Lee
2005-02-24  5:35             ` Jeff Garzik
2005-02-24  6:41               ` Albert Lee
2005-02-24  6:48                 ` Jeff Garzik
2005-02-24  7:01                   ` Albert Lee
2005-02-24  7:48                     ` Jeff Garzik
2005-02-25  5:01                       ` Albert Lee
2005-02-25  5:22                         ` Albert Lee
2005-02-25  5:40                         ` Jeff Garzik
2005-02-24  3:10         ` Mark Lord
2005-02-24  3:15           ` Jeff Garzik [this message]
2005-02-24  3:35             ` Mark Lord
2005-02-23 16:50     ` Bartlomiej Zolnierkiewicz
2005-02-24  3:05       ` Albert Lee

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