linux-kernel - Re: [PATCH] [96/106] iwlagn: Support new 5000 microcode.

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Date:	Wed, 27 Apr 2011 16:47:27 -0400
From:	Valdis.Kletnieks@...edu
To:	tim.gardner@...onical.com
Cc:	wey-yi.w.guy@...el.com, Andi Kleen <andi@...stfloor.org>,
	donald.h.fry@...el.com, sgruszka@...hat.com, gregkh@...e.de,
	ak@...ux.intel.com, linux-kernel@...r.kernel.org,
	stable@...nel.org, tim.bird@...sony.com
Subject: Re: [PATCH] [96/106] iwlagn: Support new 5000 microcode.

On Wed, 27 Apr 2011 11:42:46 MDT, Tim Gardner said:
> On 04/26/2011 03:14 PM, Andi Kleen wrote:
> > 2.6.35-longterm review patch.  If anyone has any objections, please let me know.

> > From: Fry, Donald H<donald.h.fry@...el.com>
> >
> > commit 41504cce240f791f1e16561db95728c5537fbad9 upstream.
> >
> > New iwlwifi-5000 microcode requires driver support for API version 5.

> Will this cause any issues with the existing 2.6.35.12 iwl-5000 driver? 
> Is the version 5 API backwards compatible? Ubuntu installs 
> iwlwifi-5000-5.ucode by default in order to support compat-wireless 
> backports from 2.6.3[678], so I'd hate to break those folks that are 
> using the stock 2.6.35.y driver.

I can't speak to Ubuntu, but I hit this on Fedora Rawhide a while ago, they
ended including several versions so different kernels would work OK:

% rpm -ql iwl5000-firmware
/lib/firmware/iwlwifi-5000-1.ucode
/lib/firmware/iwlwifi-5000-2.ucode
/lib/firmware/iwlwifi-5000-5.ucode


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