Re: CONFIG_PCIEASPM breaks PCIe on Marvell Armada 385 machine

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On Wed, Jan 11, 2017 at 08:49:46PM +0100, Uwe Kleine-König wrote:
> Hello,
> 
> on an Marvell Armada 385 based machine (Turris Omnia) with 4.9 the
> ath10k driver fails to bind to the matching hardware if CONFIG_PCIEASPM
> is enabled:
> 
> # dmesg | grep ath
> [    7.207770] ath10k_pci 0000:02:00.0: Refused to change power state, currently in D3
> [    7.237955] ath10k_pci 0000:02:00.0: failed to wake up device : -110
> [    7.238146] ath10k_pci: probe of 0000:02:00.0 failed with error -110
> 
> if however PCIEASPM is off, the driver probes correctly and the ath10k
> adapter works fine.
> 
> I wonder if someone has an idea what needs to be done to fix this
> problem. (OK, I could disable PCIEASPM, but I'd like to have a solution
> for a distribution kernel where I think PCIEASPM=y is sensible in
> general.)

Can somebody confirm that this system (Marvell Armada 385-based Turris
Omnia) does actually support ASPM in hardware?
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