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Message-ID: <3D656FDC.8040008@mandrakesoft.com>
Date: Thu, 22 Aug 2002 19:12:28 -0400
From: Jeff Garzik <jgarzik@mandrakesoft.com>
Organization: MandrakeSoft
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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
References: <Pine.LNX.4.10.10208201452210.3867-100000@master.linux-ide.org>	<3D62BC10.3060201@mandrakesoft.com>	<3D62C2A3.4070701@mandrakesoft.com> <m1sn17pici.fsf@frodo.biederman.org>
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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



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