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Date: Thu, 29 Jul 2004 09:39:03 -0400
From: Alan Cox <alan@redhat.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Alan Cox <alan@redhat.com>, Andrew Morton <akpm@osdl.org>,
       Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: PATCH: Fix ide probe double detection
Message-ID: <20040729133903.GA12406@devserv.devel.redhat.com>
References: <20040727224629.GA17147@devserv.devel.redhat.com> <1091071364.13625.37.camel@gaston>
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On Thu, Jul 29, 2004 at 01:22:44PM +1000, Benjamin Herrenschmidt wrote:
> I don't like relying on drive->id and serial_no, but that may just be
> paranoia...

I've seen no evidence to indicate anyone has duplicate serial numbers
even with CF cards so I think its fine. The problem with playing with
registers and seeing if they stick is that on the newer cards the
register bank you are programming is sometimes a fifo ahead of the real
drive.

Alan