Hi,
Am 24.07.19 um 10:37 schrieb Nicolas Saenz Julienne:
>>>> Does it fix the wifi issue too?
>>> Well it works as long as I revert this: 901bb98918 ("nl80211: require and
>>> validate vendor command policy"). Which has nothing to do with DMA anyways.
>>>
>>> Was this the issue you where seeing?
>>>
>>> [ 4.969679] WARNING: CPU: 2 PID: 21 at net/wireless/core.c:868
>>> wiphy_register+0x8e8/0xbdc [cfg80211]
>>> [...]
>>> [ 4.969974] ieee80211 phy0: brcmf_cfg80211_attach: Could not register
>>> wiphy device (-22)
>> We're seeing this on different platforms (allwinner / rockchip / amlogic)
>> with Broadcom WiFi chips. So it's unlikely to be related with anything in
>> this series.
>>
>> I believe a fix for this has already been queued up:
>>
>>
> https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=91046d6364afde646734c7ead1f649d253c386e9
>
> Thanks for pointing it out, it fixes the issue alright.
>
i cannot confirm. I still need to revert Johannes' commit "nl80211:
require and validate vendor command policy" to get brcmfmac probing on
Raspberry Pi 3B+ and 4B.
The commit "nl80211: fix VENDOR_CMD_RAW_DATA" didn't fix the probing
issue (see warning above).
Regards
Stefan
