Reporting a bug for QCA6174 802.11ac

[Adrian Chadd]

hiya,

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



-adrian


On 31 March 2017 at 04:12, Kalle Valo <kvalo at qca.qualcomm.com> wrote:
> Guilherme Íscaro <cabelitostos at gmail.com> 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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