From: Mark Lord <liml@rtr.ca>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, Vitaliyi <imgrey@gmail.com>,
Tejun Heo <htejun@gmail.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] libata: add support for READ/WRITE LONG
Date: Fri, 16 Mar 2007 11:32:11 -0400 [thread overview]
Message-ID: <45FAB87B.3050305@rtr.ca> (raw)
In-Reply-To: <45FAB662.2040901@ru.mvista.com>
> I think it only requires the *host* to drop to PIO0 timings.
> In which case it should be achievable w/o libata modification --
> if the driver has to "snoop" command and turn off prefetch,
> why not switch to PIO0 temporarily?
Because (1) it is not actually necessary in practice,
and (2) see point (1),
and (3) that would only be half of the story,
in that it would need to be turned back on again afterwards,
and (4) not all drivers support PIO mode changes.
Cheers
next prev parent reply other threads:[~2007-03-16 15:32 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3aac340703102322p362998b9labedc13503702d2b@mail.gmail.com>
2007-03-12 14:47 ` libata extension Mark Lord
[not found] ` <3aac340703121003l43685599t8dbffe6247879a91@mail.gmail.com>
2007-03-12 19:08 ` [PATCH] libata: add support for READ/WRITE LONG Mark Lord
2007-03-12 19:10 ` Mark Lord
2007-03-12 22:13 ` Alan Cox
2007-03-12 22:23 ` Mark Lord
2007-03-13 0:08 ` Alan Cox
2007-03-12 23:40 ` Mark Lord
2007-03-13 6:40 ` Tejun Heo
2007-03-13 10:46 ` Ric Wheeler
2007-03-16 12:28 ` Mark Lord
2007-03-16 14:02 ` Sergei Shtylyov
2007-03-16 14:22 ` Mark Lord
2007-03-16 14:33 ` Sergei Shtylyov
2007-03-16 14:42 ` Mark Lord
2007-03-16 14:43 ` Mark Lord
2007-03-16 14:58 ` Sergei Shtylyov
2007-03-16 15:07 ` Mark Lord
2007-03-16 15:23 ` Sergei Shtylyov
2007-03-16 15:32 ` Mark Lord [this message]
2007-03-16 17:08 ` Alan Cox
2007-03-16 18:54 ` Jeff Garzik
2007-03-16 20:16 ` Mark Lord
2007-03-16 20:38 ` Jeff Garzik
2007-03-16 21:05 ` Sergei Shtylyov
2007-03-16 21:09 ` Bartlomiej Zolnierkiewicz
2007-03-16 21:21 ` Mark Lord
2007-03-16 21:40 ` Bartlomiej Zolnierkiewicz
2007-04-04 6:20 ` Jeff Garzik
2007-03-16 15:15 ` Alan Cox
2007-03-16 14:16 ` Sergei Shtylyov
2007-03-16 15:01 ` Alan Cox
2007-03-16 14:15 ` Mark Lord
2007-03-16 14:23 ` Sergei Shtylyov
2007-03-16 14:33 ` Mark Lord
2007-03-16 15:23 ` Alan Cox
[not found] ` <3aac340703121007q35c7acf7t648e0ed7608be04d@mail.gmail.com>
[not found] ` <200703122106.39669.bzolnier@gmail.com>
2007-03-13 2:36 ` Fwd: libata extension Vitaliyi
2007-03-13 11:23 ` Jeff Garzik
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