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From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Daniel J Blueman <daniel.blueman@gmail.com>,
	Tejun Heo <htejun@gmail.com>,
	linux-ide@vger.kernel.org,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: ICH Intel PATA short cable override...
Date: Mon, 10 Sep 2007 08:15:16 -0400	[thread overview]
Message-ID: <46E53554.1090604@rtr.ca> (raw)
In-Reply-To: <46E1DC6E.9060001@pobox.com>

Jeff Garzik wrote:
> Mark Lord wrote:
>> Ditto for selecting transfer modes.
> 
> 
> Waiting on one thing AFAICS:
> 
>     ability to drain/idle all ports +
>     issue a command on one port +
>     resume normal parallel port operation
> 
> SET FEATURES - XFER MODE is special in that it requires all sorts of 
> additional controller handling and careful cross-port synchronization.

Absolutely.

Also note that I'm *not* advocating HDIO_SET_PIO_MODE (and kin) here,
but rather perhaps a sysfs option per-drive.  It is needed, especially for
custom/embedded systems, and I suppose we will get there eventually.  :)

Cheers

  reply	other threads:[~2007-09-10 12:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-04 12:37 ICH Intel PATA short cable override Daniel J Blueman
2007-09-05  6:12 ` Andrey Panin
2007-09-06  0:42 ` Alan Cox
2007-09-06  2:20   ` Mark Lord
2007-09-06  7:59     ` Daniel J Blueman
2007-09-07 23:19     ` Jeff Garzik
2007-09-10 12:15       ` Mark Lord [this message]
2007-09-16  7:58         ` Jeff Garzik

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