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Re: [PATCH 00/20] staging: brcm80211: 7th reaction for mainline patch #2

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W dniu 21 września 2011 15:40 użytkownik John W. Linville
<linville@xxxxxxxxxxxxx> napisał:
> On Tue, Sep 20, 2011 at 10:56:49PM +0200, Rafał Miłecki wrote:
>> 2011/9/20 Johannes Berg <johannes@xxxxxxxxxxxxxxxx>:
>> > On Tue, 2011-09-20 at 06:03 -0700, Greg KH wrote:
>> >
>> >> And while code is great and nice, I still haven't seen any real answers
>> >> to all of the questions that were asked of the Broadcom driver team
>> >> during that review by the linux-wireless developers about how things
>> >> will be handled properly due to the overlap in functionality with the
>> >> existing "real" driver in the tree.
>> >
>> > Let's qualify this to "some developers".
>> >
>> > One thing I'd like to point out is that the Broadcom's firmware API has
>> > always undergone changes over time. I'm actually surprised that b43
>> > works as well as it does (which, tbh, isn't very well at all, at least
>> > for me with some 11n PHY). I also don't think that Broadcom are going to
>> > maintain compatibility and/or maintain new firmware features for old
>> > devices, that just doesn't make any sense.
>>
>> Actually, when we got some single response from Broadcom about their
>> relation to b43, they haven't mentioned support for old HW is any
>> problem at all. They just pointed we don't support calibration for
>> N-PHY and we don't support 802.11n feature for a better performance.
>>
>> I feel we're creating some problems ourself. Just some guessing that
>> support for older HW can be real problem for future development... not
>> confirmed by anyone at all.
>
> Their new firmware doesn't run on the older hardware, no?

AFAIK it does (unless you mean hardware covered by b43legacy).

If you take a look at 666.2 firmware, it's still available for core 5
(and 9, 13, etc.)

-- 
Rafał
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