netdev - Re: [PATCH v2] rtl8xxxu: fix RTL8723BU connection failure issue after warm reboot

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Date:   Mon, 21 Oct 2019 11:29:19 +0300
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Chris Chiu <chiu@...lessm.com>
Cc:     Jes Sorensen <Jes.Sorensen@...il.com>,
        David Miller <davem@...emloft.net>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Linux Upstreaming Team <linux@...lessm.com>
Subject: Re: [PATCH v2] rtl8xxxu: fix RTL8723BU connection failure issue after warm reboot

Chris Chiu <chiu@...lessm.com> writes:

> On Thu, Oct 17, 2019 at 10:26 AM Chris Chiu <chiu@...lessm.com> wrote:
>>
>> On Wed, Oct 16, 2019 at 9:54 AM Chris Chiu <chiu@...lessm.com> wrote:
>> >
>> > The RTL8723BU has problems connecting to AP after each warm reboot.
>> > Sometimes it returns no scan result, and in most cases, it fails
>> > the authentication for unknown reason. However, it works totally
>> > fine after cold reboot.
>> >
>> > Compare the value of register SYS_CR and SYS_CLK_MAC_CLK_ENABLE
>> > for cold reboot and warm reboot, the registers imply that the MAC
>> > is already powered and thus some procedures are skipped during
>> > driver initialization. Double checked the vendor driver, it reads
>> > the SYS_CR and SYS_CLK_MAC_CLK_ENABLE also but doesn't skip any
>> > during initialization based on them. This commit only tells the
>> > RTL8723BU to do full initialization without checking MAC status.
>> >
>> > Signed-off-by: Chris Chiu <chiu@...lessm.com>
>> Signed-off-by: Jes Sorensen <Jes.Sorensen@...il.com>
>>
>> Sorry, I forgot to add Jes.
>>
>> Chris
>> > ---
>> >
>> > Note:
>> >   v2: fix typo of commit message
>> >
>> >
>
> Gentle ping. Cheers.

To reduce email please avoid pinging like this, it has been only five
days since you submitted this version and this is not a 24/7 service. I
have documented how you can follow the status from patchwork:

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

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