Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Sender: kvalo=codeaurora.org@mg.codeaurora.org
DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B5C3BC433CA
From:   Kalle Valo <kvalo@codeaurora.org>
To:     Hao Chen <chenhaoa@uniontech.com>
Cc:     tony0620emma@gmail.com, davem@davemloft.net, kuba@kernel.org,
        linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rtw88: 8822ce: fix wifi disconnect after S3/S4 on HONOR laptop
References: <20210220084602.22386-1-chenhaoa@uniontech.com>
Date:   Sat, 20 Feb 2021 11:07:34 +0200
In-Reply-To: <20210220084602.22386-1-chenhaoa@uniontech.com> (Hao Chen's
        message of "Sat, 20 Feb 2021 16:46:02 +0800")
Message-ID: <878s7jjeeh.fsf@codeaurora.org>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Hao Chen <chenhaoa@uniontech.com> writes:

> When the laptop HONOR MagicBook 14 sleep to S3/S4, the laptop can't
> resume.
> The dmesg of kernel report:
> "[   99.990168] pcieport 0000:00:01.2: can't change power state
> from D3hot to D0 (config space inaccessible)
> [   99.993334] rtw_pci 0000:01:00.0: can't change power state
> from D3hot to D0 (config space inaccessible)
> [  104.435004] rtw_pci 0000:01:00.0: mac power on failed
> [  104.435010] rtw_pci 0000:01:00.0: failed to power on mac"
> When try to pointer the driver.pm to NULL, the problem is fixed.
> This driver hasn't implemented pm ops yet.It makes the sleep and
> wake procedure expected when pm's ops not NULL.

But why rtw_pci_suspend() and rtw_pci_resume() are empty? Should we just
remove them if they cause issues for the users? And if they are really
needed there should be a comment in the functions explaining the
situation.

> Fixed: commit e3037485c68e ("rtw88: new Realtek 802.11ac driver")

This should be:

Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")

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

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