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Re: brcmsmac in kernel driver on a Samsung NC110

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2013/3/26 John Talbut <jt@xxxxxxxxxxx>:
> On 26/03/13 12:01, Arend van Spriel wrote:
>> On 03/26/2013 12:43 PM, John Talbut wrote:
>>> On 26/03/13 11:29, Arend van Spriel wrote:
>>>> On 03/26/2013 12:13 PM, John Talbut wrote:
>>>>>
>>>>> On 26/03/13 10:53, Arend van Spriel wrote:
>>>>>> On 03/26/2013 11:34 AM, John Talbut wrote:
>>>>>>> Kernel log attached.
>>>>>>>
>>>>>>
>>>>>> Now this is weird. I do not see any BCMA log messages. Can you give
>>>>>> output of following command:
>>>>>>
>>>>>> $ lspci -n -s 1:0.0
>>>>>
>>>>> 01:00.0 0280: 14e4:4357 (rev 01)
>>>>
>>>> Ok, no problem there.
>>>>
>>>> digging further in sysfs. Can you execute the following commands:
>>>>
>>>> if it exists:
>>>> $ ls /sys/bus/bcma
>>>> $ ls /sys/bus/bcma/devices
>>>> $ ls /sys/bus/bcma/drivers
>>>>
>>>> if it exists also following:
>>>> $ ls -l /sys/bus/bcma/drivers/brcmsmac
>>>
>>> root@johnwtnc110:/usr/src/linux-source-3.8# ls /sys/bus/bcma
>>> devices  drivers  drivers_autoprobe  drivers_probe  uevent
>>> root@johnwtnc110:/usr/src/linux-source-3.8# ls /sys/bus/bcma/devices
>>
>> The fact that there are no devices detected under bcma is suspicious.
>> Adding bcma developer to the list. Maybe he knows about issues when
>> having bcma compiled in kernel image.
>>
>> Regards,
>> Arend
>
> I have just noticed that with a previous version of the kernel which I
> had compiled with
> # CONFIG_BCMA is not set
>
> there are references to brcmsmac in the kernel log.  It complains about
> failing to find the firmware, though.

In earlier kernels brcmsmac was re-implementing "bcma" on it's own. It
was changed, so now brcmsmac operates just on the bcma 80211 core. You
need both: bcma and brcmsmac loaded.

-- 
Rafał
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