Re: Some issues/regression when upgrading to 3.1-rc5

[Francis Moreau]

On Fri, Sep 9, 2011 at 3:00 PM, Francis Moreau <francis.moro@xxxxxxxxx> wrote:
> On Wed, Sep 7, 2011 at 1:58 PM, Parag Warudkar <parag.lkml@xxxxxxxxx> wrote:
>> Hi
>>
>> On Wed, Sep 7, 2011 at 2:51 AM, Francis Moreau <francis.moro@xxxxxxxxx> wrote:
>>> Hello,
>>>
>>> On Wed, Sep 7, 2011 at 12:24 AM, Parag Warudkar <parag.lkml@xxxxxxxxx> wrote:
>>>> On Tue, Sep 6, 2011 at 5:15 PM, Francis Moreau <francis.moro@xxxxxxxxx> wrote:
>>>>>
>>>>> [   13.335961] cfg80211: Calling CRDA to update world regulatory domain
>>>>> [   13.386127] b43-phy0: Broadcom 4313 WLAN found (core revision 24)
>>>>> [   13.510112] bcma: PLL enable timeout
>>>>> [   13.510125] b43-phy0 ERROR: FOUND UNSUPPORTED PHY (Analog 10, Type
>>>>> 8, Revision 1)
>>>>> [   13.510148] b43: probe of bcma0:0 failed with error -95
>>>>> [   13.510194] Broadcom 43xx driver loaded [ Features: PMNLS,
>>>>> Firmware-ID: FW13 ]
>>
>>>
>>> unloading b43/bcma and loading brcmsmac doesn't help. Looks like the
>>> latter doesn't support my card anymore.
>>>
>>> From dmesg:
>>>
>>> [ 3828.183927] brcmsmac: module is from the staging directory, the
>>> quality is unknown, you have been warned.
>>>
>>> and that's it.
>>
>> 4313 is supported in brcmsmac - are you sure the firmware is at the
>> right place and getting loaded?
>
> Ok the issue was that I need to unload b43 _and_ bcma before loading brcmsmac.
>
>> I recall for example having to deal with firmware in kernel specific
>> directory - /lib/`uname -r`/firmware for example which means you will
>> need to copy the firmware to new kernel specific directory.
>>
>> Secondly try to make sure b43/bcma are blacklisted and never loaded at all.
>>
>
> Well IMHO, there's a probleme here: b43/bcma claims some devices
> (notably 4313) which is marked as broken ! Well that's not quite
> exact, actually it's the phy dev used with the 4313 which is marked as
> broken, see CONFIG_B43_PHY_LCN in drivers/net/wireless/b43/Kconfig.
>
> I posted an email on linux-wireless mailing list but haven't got any
> answer so far.
>

In case you're interested:

http://permalink.gmane.org/gmane.linux.kernel.wireless.general/76859

-- 
Francis
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