Re: The imx6q suspend/resume is broken on 3.16-rc due to PCIe

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Am Mittwoch, den 25.06.2014, 20:53 +0800 schrieb Shawn Guo:
> On Wed, Jun 25, 2014 at 12:50:52PM +0200, Lucas Stach wrote:
> > Am Mittwoch, den 25.06.2014, 07:50 -0300 schrieb Fabio Estevam:
> > > On Wed, Jun 25, 2014 at 3:22 AM, Shawn Guo <shawn.guo@xxxxxxxxxx> wrote:
> > > 
> > > > Please test against v3.16-rc1 or -rc2.  The breakage on linux-next
> > > > should be another issue.
> > > 
> > > Yes, I see it now. Tested on -rc2 and suspend/resume works with PCI
> > > driver removed.
> > 
> > Can you please send me a dmesg from a working boot?
> 
> What do you mean by "working boot"?  Boot is always working.  What fails
> is system resuming.
> 
> Shawn
> 
Oops, what I meant is a dmesg after a working resume (from kernel 3.15).
I can see how failing to resume from L2 can cause the hang and we should
really implement the PHY PD toggling in the pcie driver, but I would
like to understand why you don't hit this on 3.15.

Regards,
Lucas

-- 
Pengutronix e.K.             | Lucas Stach                 |
Industrial Linux Solutions   | http://www.pengutronix.de/  |

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