linux-kernel - Re: [PATCH] staging/fwserial: use correct vendor/version IDs

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Date:	Mon, 02 Feb 2015 17:08:32 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Clemens Ladisch <clemens@...isch.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Stefan Richter <stefanr@...6.in-berlin.de>,
	devel@...verdev.osuosl.org, linux1394-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging/fwserial: use correct vendor/version IDs

On 01/28/2015 03:07 PM, Clemens Ladisch wrote:
> The driver was using the vendor ID 0xd00d1e from the FireWire core.
> However, this ID was not registered, and invalid.
> 
> Instead, use the vendor/version IDs that now are officially assigned to
> firewire-serial:
> https://ieee1394.wiki.kernel.org/index.php/IEEE_OUI_Assignments

That's great that we have official OUIs now, but I have to NACK this
patch as is.

The problem is a host with the old OUIs will not recognize a remote
unit with the new OUIs, and vice versa.

Even though the new ids could be added to the unit driver's id_table,
(which would let hosts with the new OUI connect to either OUI remote),
it wouldn't let 3.19- hosts connect to 3.20+ hosts.

Regards,
Peter Hurley




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