Re: [PATCH 3/3] net: wireless: bcm43xx: big_buffer_sem semaphore to mutex

[Rafael J. Wysocki]

On Friday, 14 of December 2007, Michael Buesch wrote:
> On Friday 14 December 2007 13:59:54 Simon Holm ThÃgersen wrote:
> > > This user did get the following messages in dmesg:
> > > 
> > > b43err(dev->wl, "Firmware file \"%s\" not found "
> > >        "or load failed.\n", path);
> > 
> > So the question seems to be why b43 needs version 4, when b43legacy and
> > bcm43x uses version 3?
> 
> That's really a question, right?
> 
> Well. linux-2.4 doesn't work with the linux-2.6 modutils.
> Windows Vista doesn't work with Windows 98 device drivers.
> That leads to this assumption:
> b43 doesn't work with version 3 firmware but needs version 4.
> 
> Newer drivers supporting newer hardware need newer firmware.

Actually, can you explain why, from the technical point of view, the version 4
firware is better than version 3, please?

Rafael
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