Re: [linux-sunxi] Firmware for Bluetooth (and wifi)

[Arend van Spriel <arend@broadcom.com>]

On 01/26/2014 11:23 AM, Hans de Goede wrote:
> Hi,
> 
> On 01/26/2014 09:53 AM, Arend van Spriel wrote:
>> On 01/24/2014 05:34 PM, Hans de Goede wrote:
>>> Hi,
>>>
>>> On 01/24/2014 11:25 AM, Arend van Spriel wrote:
>>>> On 01/23/2014 11:39 PM, Hans de Goede wrote:
>>>>> Hi,
>>>>>
>>>>> I've been working on updating sunxi-devel to include more
>>>>> recent versions if your gmac patches, as well as adding support
>>>>> for the wifi + bluetooth found on the cubietruck.
>>>>>
>>>>> Here is my current work on this:
>>>>>
>>>>> https://github.com/jwrdegoede/linux-sunxi/commits/sunxi-devel
>>>>>
>>>>> It is close to working, but unfortunately it does not work,
>>>>> here is what I get in dmesg when I modprove the module:
>>>>>
>>>>> [   99.700889] brcmfmac_sdio mmc1:0001:1: device tree node not found
>>>>> [  100.020984] brcmfmac: brcmf_c_preinit_dcmds: Firmware version =
>>>>> wl0:
>>>>> Apr 22 2013 14:50:00 version 5.90.195.89.6 FWID 01-b30a427d
>>>>> [  100.260948] brcmfmac: brcmf_fil_cmd_data: Failed err=-23
>>>>> [  100.281260] brcmfmac: brcmf_fil_cmd_data: Failed err=-23
>>>>> [  100.322508] usbcore: registered new interface driver brcmfmac
>>>>> [  160.445215] brcmfmac: brcmf_cfg80211_sched_scan_start: Scanning
>>>>> already: status (1)
>>>>> [  203.445404] brcmfmac: brcmf_cfg80211_sched_scan_start: Scanning
>>>>> already: status (1)
>>>>> [  256.445140] brcmfmac: brcmf_cfg80211_sched_scan_start: Scanning
>>>>> already: status (1)
>>>>
>>>> Can you enable debug logging in brcmfmac, ie. debug=0xd416 so I can
>>>> have
>>>> a look.
>>>
>>> I've captured a log with these flags until the first "Scanning already"
>>> message, you can find it here:
>>
>> Bedankt, Hans
>>
>> Looking at the log it looks more or less ok. wpa_supplicant (assume you
>> use that) first does three regular scans which end with no APs found.
>> Not sure why that happens unless you are in a shielded room :-) After
>> those scans wpa_supplicant tries to tell the device to do a so-called
>> scheduled scan. Basically, it is a scan offload. However, the driver
>> still thinks there is a regular scan ongoing. This needs to be
>> investigated more.
> 
> Thanks for looking into this. I've nothing scheduled this entire Sunday
> except working on hobby projects. If there is anything I can do to help,
> you can find me in #linux-sunxi on freenode irc. My nick is hansg.
> 
> I would really like to get this working, so feel free to poke me to run
> any tests / debug log gathering exercises you think will be helpful.

I did a quick diff between your brcmfmac folder and mine. I am curious
what your results are after the merge window. There has been a lot of
rework in SDIO part of brcmfmac driver.

Regards,
Arend