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Subject: Re: wifi: ath11k: allow system suspend to survive ath11k
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20230201183201.14431-1-len.brown@intel.com>
References: <20230201183201.14431-1-len.brown@intel.com>
To:     Len Brown <len.brown@intel.com>
Cc:     rafael@kernel.org, kvalo@codeaurora.org, linux-pm@vger.kernel.org,
        linux-wireless@vger.kernel.org, Len Brown <len.brown@intel.com>,
        Carl Huang <cjhuang@codeaurora.org>, stable@vger.kernel.org
User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-ID: <167706207598.17049.13538001164844345072.kvalo@kernel.org>
Date:   Wed, 22 Feb 2023 10:34:39 +0000 (UTC)
Precedence: bulk

Len Brown <len.brown@intel.com> wrote:

> When ath11k runs into internal errors upon suspend,
> it returns an error code to pci_pm_suspend, which
> aborts the entire system suspend.
> 
> The driver should not abort system suspend, but should
> keep its internal errors to itself, and allow the system
> to suspend.  Otherwise, a user can suspend a laptop
> by closing the lid and sealing it into a case, assuming
> that is will suspend, rather than heating up and draining
> the battery when in transit.
> 
> In practice, the ath11k device seems to have plenty of transient
> errors, and subsequent suspend cycles after this failure
> often succeed.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=216968
> 
> Fixes: d1b0c33850d29 ("ath11k: implement suspend for QCA6390 PCI devices")
> 
> Signed-off-by: Len Brown <len.brown@intel.com>
> Cc: stable@vger.kernel.org

Patch applied to wireless.git, thanks.

7c15430822e7 wifi: ath11k: allow system suspend to survive ath11k

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230201183201.14431-1-len.brown@intel.com/

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