linux-kernel - Re: [PATCH] Re: Linux v2.6.22-rc3

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Message-ID: <20070608163804.4926e499@the-village.bc.nu>
Date:	Fri, 8 Jun 2007 16:38:04 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Tejun Heo <htejun@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Gregor Jasny <gjasny@...glemail.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Re: Linux v2.6.22-rc3

> See a URL I posted earlier in this thread.  With dumb ATAPI devices we
> actually have to wait a bit for BSY to be asserted.  Not only at reset,
> but also for every command

400nS and the current code correctly accounts for it.

> > How about limiting nsect/lbal wait duration?  Say, 100ms or 500ms?  That
> > can somewhat ease our paranoia and should show acceptable behavior for
> > braindead devices too.
> 
> That's quite reasonable.

Agreed - means the IT821x takes a bit longer to respond but ensures that
we avoid any unpleasant suprises elsewhere.
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