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From: Kalle Valo <kvalo@kernel.org>
To: Mark Herbert <mark.herbert42@gmail.com>
Cc: ath11k@lists.infradead.org
Subject: Re: QCA6390 power saving issue
Date: Wed, 30 Mar 2022 11:00:51 +0300	[thread overview]
Message-ID: <87pmm3x424.fsf@kernel.org> (raw)
In-Reply-To: <a70aba8a-cce4-a84b-ea70-5761bde1cbe5@gmail.com> (Mark Herbert's message of "Tue, 29 Mar 2022 11:11:42 +0300")

Mark Herbert <mark.herbert42@gmail.com> writes:

> I remember there was a bug preventing CPU entering to deep powersaving
> states so only PC3 was reached.
>
> The but itself is fixed - but I have just noticed a small remaining
> issue. When I start my PC and there is no WIFI that I can connect so
> ath11  is enabled but not connected to any network - it   prevents
> entering into deep PC states again. When I connect to the WiFi network
> - 
> deep PC states become reachable again. And when I disconnect after
> first connection  and keep my ath11k disconnected (exactly same
> situation as immediately after boot)- there is no issue.
>
> So seems that this powersaving feature is not activated on boot but
> only activates when the card connects to access point.  I am not good
> enough in driver development and design a fix myself. So just writing
> here

Seems very plausible to me. Can you file this to bugzilla, please?
Easier to track that way:

https://wireless.wiki.kernel.org/en/users/drivers/ath11k/bugreport

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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  reply	other threads:[~2022-03-30  8:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-29  8:11 QCA6390 power saving issue Mark Herbert
2022-03-30  8:00 ` Kalle Valo [this message]
     [not found]   ` <da91be76-d609-ba29-76e6-5365ea1db9d4@gmail.com>
2022-03-30 12:47     ` Kalle Valo
2022-05-17 16:47       ` Mark Herbert

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