Re: [PATCH] PCI: Add missing link delays required by the PCIe spec
From: Mika Westerberg
Date: Fri Aug 23 2019 - 03:10:45 EST
On Thu, Aug 22, 2019 at 08:29:09PM +0200, Matthias Andree wrote:
> Am 21.08.19 um 14:45 schrieb Mika Westerberg:
> > Hi all,
> >
> > As the changelog says this is reworked version that tries to avoid reported
> > issues while at the same time fix the missing delays so we can get ICL
> > systems and at least the one system with Titan Ridge controller working
> > properly.
> >
> > @Matthias, @Paul and @Nicholas: it would be great if you could try the
> > patch on top of v5.4-rc5+ and verify that it does not cause any issues on
> > your systems.
> >
> > drivers/pci/pci-driver.c | 19 ++++++
> > drivers/pci/pci.c | 127 ++++++++++++++++++++++++++++++++++++---
> > drivers/pci/pci.h | 1 +
> > 3 files changed, 137 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
> > index a8124e47bf6e..9aec78ed8907 100644
>
> ...
>
> Mika, Bjorn, Rafael,
>
> quick smoke test, this test applied with git-am on top
> v5.3-rc5-149-gbb7ba8069de9, reboot, suspend, wake, suspend, wake,
> hibernate, wake, looks good to me. The top of git log --pretty-short is
> shown below.
Thanks for testing!
> Couldn't test on v5.4-rc5 though as I've handed off my time machine for
> repairs,
> I seem to recall they said something about the flux compensator.
:)