Reporting a bug for QCA6174 802.11ac

Adrian Chadd adrian at
Fri Mar 31 08:11:07 PDT 2017


hm, what's the reference driver do for pci powersave versus aspm? Does
it change any pci config space register settings for allowable sleep


On 31 March 2017 at 04:12, Kalle Valo <kvalo at> wrote:
> Guilherme Íscaro <cabelitostos at> writes:
>> I would like to inform that I "fixed" the problem. After my last
>> email, I cloned the linux repo and started to hack around the driver
>> source code. By looking at the dmesg output that I provided to you
>> guys, I noticed that for some reason the board was not being properly
>> awake ( ath10k_pci_wake_wait() returns ETIMEOUT). I so sick with this
>> problem that I hardcoded "ar_pci->pci_ps" to false, thus the board
>> can't sleep now.
> Sounds like a problem with your PCI bus or the platform/laptop so try
> different PCI settings both on BIOS and kernel. I have seen lots of talk
> about ASPM, especially with some iwlwifi devices, so you should also
> investigate about that.
> Please let us know if you find anything, it's always valuable
> information. Have fun googling :)
> --
> Kalle Valo
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