From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andre Hedrick <andre@linux-ide.org>,
"Heater, Daniel (IndSys, GEFanuc,
VMIC)" <Daniel.Heater@gefanuc.com>,
"'Padraig Brady'" <padraig.brady@corvil.com>,
"'Linux Kernel'" <linux-kernel@vger.kernel.org>
Subject: Re: IDE-flash device and hard disk on same controller
Date: Thu, 22 Aug 2002 19:12:28 -0400 [thread overview]
Message-ID: <3D656FDC.8040008@mandrakesoft.com> (raw)
In-Reply-To: m1sn17pici.fsf@frodo.biederman.org
Eric W. Biederman wrote:
> I don't see any checking for the ATA bsy flag before you start sending
> commands. I have seen the current IDE code fail too many times if I
> boot to fast, because of a lack of this one simple test. So I don't
> see how this could be considered a proper probe.
There is no ATA bsy flag check at only one point, and that is before
EXECUTE DEVICE DIAGNOSTIC is issued. The idea with this command is that
it pretty much stomps up and down the ATA bus, trouncing ongoing
activity in the process.
Jeff
next prev parent reply other threads:[~2002-08-22 23:08 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-20 19:52 IDE-flash device and hard disk on same controller Heater, Daniel (IndSys, GEFanuc, VMIC)
2002-08-20 21:57 ` Andre Hedrick
2002-08-20 22:00 ` Jeff Garzik
2002-08-20 22:28 ` Jeff Garzik
2002-08-21 6:36 ` Geert Uytterhoeven
2002-08-21 6:55 ` Andre Hedrick
2002-08-21 7:16 ` Geert Uytterhoeven
2002-08-21 6:57 ` MMIO {Re: IDE-flash device and hard disk on same controller} Andre Hedrick
2002-08-21 7:10 ` Andre Hedrick
2002-08-22 5:34 ` IDE-flash device and hard disk on same controller Eric W. Biederman
2002-08-22 23:12 ` Jeff Garzik [this message]
2002-08-23 0:50 ` Eric W. Biederman
2002-08-23 1:26 ` Jeff Garzik
2002-08-23 11:03 ` Russell King
2002-08-23 11:41 ` Benjamin Herrenschmidt
2002-08-23 10:12 ` Alan Cox
2002-08-23 13:09 ` Eric W. Biederman
2002-08-23 3:14 ` Andre Hedrick
2002-08-23 11:44 ` Benjamin Herrenschmidt
2002-08-24 2:02 ` Jeff Garzik
2002-08-24 0:19 ` Benjamin Herrenschmidt
2002-08-24 8:41 ` Russell King
2002-08-24 20:28 ` Andre Hedrick
2002-08-23 3:19 ` Andre Hedrick
2002-08-23 7:14 ` Helge Hafting
2002-08-23 7:49 ` Andre Hedrick
2002-08-23 10:50 ` Geert Uytterhoeven
2002-08-23 11:08 ` Russell King
2002-08-23 11:07 ` Russell King
2002-08-23 11:36 ` Benjamin Herrenschmidt
2002-08-22 13:41 ` bill davidsen
-- strict thread matches above, loose matches on Subject: below --
2002-08-23 10:48 Adam J. Richter
2002-08-23 10:14 Adam J. Richter
2002-08-23 8:31 Adam J. Richter
2002-08-23 8:59 ` Andre Hedrick
2002-08-23 9:54 ` Andries Brouwer
2002-08-23 6:54 Adam J. Richter
2002-08-23 7:45 ` Andre Hedrick
2002-08-23 11:10 ` Russell King
2002-08-23 17:08 ` Andre Hedrick
2002-08-23 17:42 ` Andre Hedrick
2002-08-21 13:22 Warner, Bill (IndSys, GEFanuc, VMIC)
2002-08-19 18:31 Heater, Daniel (IndSys, GEFanuc, VMIC)
2002-08-19 19:21 ` Alan Cox
2002-08-20 8:44 ` Padraig Brady
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