[PATCH 1/4] b43: N-PHY: update init tables

[ikorot at earthlink.net]

Rafal,


-----Original Message-----
>From: Rafał Miłecki <zajec5 at gmail.com>
>Sent: Dec 9, 2010 10:36 PM
>To: ikorot at earthlink.net
>Cc: Larry Finger <Larry.Finger at lwfinger.net>, Hauke Mehrtens <hauke at hauke-m.de>, linux-wireless at vger.kernel.org, b43-dev at lists.infradead.org
>Subject: Re: [PATCH 1/4] b43: N-PHY: update init tables
>
>W dniu 10 grudnia 2010 03:26 użytkownik  <ikorot at earthlink.net> napisał:
>> -----Original Message-----
>>>From: Rafał Miłecki <zajec5 at gmail.com>
>>>Sent: Dec 9, 2010 6:06 AM
>>>To: ikorot at earthlink.net
>>>Cc: Larry Finger <Larry.Finger at lwfinger.net>, Hauke Mehrtens <hauke at hauke-m.de>, linux-wireless at vger.kernel.org, b43-dev at lists.infradead.org
>>>Subject: Re: [PATCH 1/4] b43: N-PHY: update init tables
>>>
>>>2010/12/8  <ikorot at earthlink.net>:
>>>> Larry,
>>>>
>>>>
>>>> -----Original Message-----
>>>>>From: Larry Finger <Larry.Finger at lwfinger.net>
>>>>>Sent: Dec 7, 2010 12:00 PM
>>>>>To: ikorot at earthlink.net
>>>>>Cc: Hauke Mehrtens <hauke at hauke-m.de>, linux-wireless at vger.kernel.org, b43-dev at lists.infradead.org
>>>>>Subject: Re: [PATCH 1/4] b43: N-PHY: update init tables
>>>>>
>>>>>On 12/07/2010 01:49 PM, ikorot at earthlink.net wrote:
>>>>>>> One reason is that these tables changed from non-zero to zero values between
>>>>>>> Broadcom driver 4.174.64.19 and 5.10.56.46. As they might change again, I think
>>>>>>> we should retain the full version.
>>>>>>
>>>>>> Is there a way to check for version of the driver?
>>>>>> This way whoever uses old one won't be screwed...
>>>>>
>>>>>That will not be a problem as no older version of b43 works at all with b43. To
>>>>>help you understand this change, when the 4.174.64.19 Broadcom driver was
>>>>>reverse-engineered, the tables had non-zero values. Rafel later compared the
>>>>>trace dumps of b43 with the latest version of wl and found that the values are
>>>>>now zero. When I rechecked driver 5.10.56.46, I found them to be zero there as
>>>>>well and changed the specs.
>>>>
>>>> Well, it maybe feasible to keep the old values and check
>>>> the version of the driver, since you are saying yourself
>>>> that the value might be changing in the future.
>>>> Maybe for couple of releases only?
>>>
>>>Sorry, but I don't understand that at all. What do you mean by version
>>>of the driver? What driver?
>>
>> #if B43_VERSION <= x.x.x.x
>> // table initialized to some values
>> #else
>> //table initialized to 0's
>> #endif
>
>You want to put condition checking b43 version in... b43 driver? I
>can't follow you.

Yes.
And what you can't follow?

For historical purposes and to better understand the changes and ease the 
debugging I proposed this addition.
Besides if for some reason in future versions Broadcom will decide to return to
the same values for init tables, the changes will be very simple.

Thank you.

>
>-- 
>Rafał