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SubjectRe: [PATCH v2 4/4] PCI: imx: Add PME_Turn_Off support
On Fri, Oct 05, 2018 at 12:59:16PM +0200, Philipp Zabel wrote:
> Hi Lorenzo,
>
> On Fri, 2018-10-05 at 11:29 +0100, Lorenzo Pieralisi wrote:
> > On Thu, Oct 04, 2018 at 04:34:30PM +0000, Leonard Crestez wrote:
> > > When the root complex suspends it must send a PME_Turn_Off TLP.
> > > Implement this by asserting the "turnoff" reset.
> > >
> > > On imx7d this functionality is part of the SRC and exposed through the
> > > linux reset-controller subsystem. On imx6 equivalent bits are in the
> > > IOMUXC GPR area which the imx6-pcie driver accesses directly.
> >
> > Nit: I am merging the series, please define what SRC and GPR are so
> > that I can update the commit log accordingly, it must be clear to
> > anyone reading it.
>
> SRC is the System Reset Controller, which controls reset signals to all
> kinds of devices, among them the PCIe PHY.
>
> IOMUXC GPR is a General Purpose Register range in the IOMUXC (pinmux
> controller) that is used to control various signals all over the SoC.

Thanks Philipp. Updated the commit log and pushed out the series
for v4.20 (branch pci/dwc - I have just updated this patch log).

Thanks,
Lorenzo

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