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Re: compex wle900vx (ath10k) problem on 4.4.24 / armv7

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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@xxxxxxxxxxxxxxx>
 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

Any news on that? I am in contact with the support of SolidRun (clearfog). Unfortunately they will stay at 4.4.x - no upgrade to 4.8 nor 4.9 planned. Unfortunately the commit (006d44e) is incompatible to 4.4. because pci_dev does not know bridge_d3



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