netdev - Re: [PATCH] bcm43xx: Fix code for spec changes of 2/7/2007

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Message-ID: <20070209225234.GA3381@tuba>
Date:	Fri, 9 Feb 2007 23:52:34 +0100
From:	Martin Langer <martin-langer@....de>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Larry Finger <larry.finger@...inger.net>,
	Joseph Jezak <josejx@...too.org>, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org,
	John Linville <linville@...driver.com>,
	Michael Buesch <mb@...sch.de>, Bcm43xx-dev@...ts.berlios.de
Subject: Re: [PATCH] bcm43xx: Fix code for spec changes of 2/7/2007

On Fri, Feb 09, 2007 at 09:32:39PM +0000, Matthew Garrett wrote:
> On Fri, Feb 09, 2007 at 01:26:25PM -0600, Larry Finger wrote:
> 
> > My plan is to continue to maintain bcm43xx-SoftMAC for at least the BPHY and 4306 revisions even
> > after d80211 becomes the in-kernel driver. Of course, I hope that we will have found the killer bugs
> > by that time, and that maintenance will only require following kernel API changes.
> 
> Just to make sure I'm understanding this correctly - does the v4 
> firmware drop compatibility for older cards, or is it just that Broadcom 
> dropped support in the driver at the same time as the firmware changed, 
> and the new firmware will still also drive the old cards?

We can't extract bcm43xx_microcode2.fw from v4 drivers. You need this 
file for old rev2+3 0x812 cores. So we don't know what firmware we 
should load into those old cores. I think broadcom never developed a new 
v4 style firmware for their old hardware.

Martin


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