netdev - Re: [PATCH 1/3] can: flexcan: fix deadlock when using self wakeup

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Message-ID: <986c06e6-644a-5ad4-b7e0-ce431605b626@geanix.com>
Date:   Fri, 15 Nov 2019 09:54:00 +0100
From:   Sean Nyekjaer <sean@...nix.com>
To:     Joakim Zhang <qiangqing.zhang@....com>,
        "mkl@...gutronix.de" <mkl@...gutronix.de>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>
Cc:     dl-linux-imx <linux-imx@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/3] can: flexcan: fix deadlock when using self wakeup



On 15/11/2019 06.09, Joakim Zhang wrote:
> 
> Hi Sean,
> 
> I remember that you are the first one sending out the patch to fix this issue, and I NACK the patch before.
> I am so sorry for that, it can work fine after testing at my side. Could you help double check at your side for
> this patch? Both wakeup from totally suspend and wakeup from suspending?
> 
> With this patch, we can fix two problems:
> 1) fix deadlock when using self wakeup
> 2) frames out-of-order in first IRQ handler run after wakeup
> 
> Thanks a lot!
> 
> Best Regards,
> Joakim Zhang

Hi Joakim,



We are mostly listening for broadcast packages, so we haven't noticed 
frames out-of-order :-)



I have checked this series, it comes out of suspend every time :-)

/Sean