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From: "Matthias Klein" <matthias.klein@optimeas.de>
To: "Michal Kazior" <michal.kazior@tieto.com>
Subject: Re[2]: compex wle900vx (ath10k) problem on 4.4.24 / armv7
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Date: Mon, 24 Oct 2016 12:08:50 +0000
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Reply-To: "Matthias Klein" <matthias.klein@optimeas.de>
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>I (naively) went through pci/pm git log and found the following was
>applied on 4.7-rc2 (i.e. prior to 4.7 release):
>
>  commit 006d44e49a259b39947366728d65a873a19aadc0
>  Author: Mika Westerberg <mika.westerberg@linux.intel.com>
>  Date:   Thu Jun 2 11:17:15 2016 +0300
>
>      PCI: Add runtime PM support for PCIe ports
>
>From reading the commit log it seems to me like it could be it.
>
>ath10k tries to wake up the device during probing before it starts
>talking to it and it does so through MMIO/PCI config space. If it's
>not mapped properly then driver will not be able to wake it up and
>will timeout waiting for it.
>
>Can you try cherry-picking it into your 4.4.24 and see if it helps?
>
>
Thanks for the help!

Until now I did not compile a kernel for the board.
I will give it a try and come back with the results ...


Best regards,
Matthias