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SubjectRe: [PATCH v2 0/3] PCIE support for i.MX8MQ
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Am Freitag, den 14.12.2018, 21:25 -0800 schrieb Andrey Smirnov:
> > On Fri, Dec 14, 2018 at 12:38 PM Bjorn Helgaas <helgaas@kernel.org> wrote:
> >
> > [+cc Trent]
> >
> > On Thu, Dec 06, 2018 at 12:15:50PM +0000, Lorenzo Pieralisi wrote:
> > > On Wed, Dec 05, 2018 at 11:35:42PM -0800, Andrey Smirnov wrote:
> > > > Everyone:
> > > >
> > > > This series contains changes I made in order to enable support of PCIE
> > > > IP block on i.MX8MQ SoCs (full tree can be found at [github-v2]).
> > > >
> > > > NOTE: The last patch have a Kconfig symbol depenency on [imx8mq-kconfig].
> > > >
> > > > Changes since [v1]:
> > > >
> > > >  - Driver changed to use single "fsl,controller-id" property to
> > > >    distinguish between two intances of PCIE IP block
> > > >
> > > >  - All code pertaining to L1SS was dropped to simplify the patch
> > > >
> > > >  - Documented additions to DT bindings
> > > >
> > > > Feedback is welcome!
> > > >
> > > > Thanks,
> > > > Andrey Smirnov
> > >
> > > Andrey,
> > >
> > > I have applied the patches, ...
> >
> > When I merged your pci/dwc branch, I noticed what looks like a merge
> > conflict between these commits:
> >
> >   d123765b58ee ("PCI: dwc: Adjust Kconfig to allow IMX6 PCIe host on IMX7")
> >   1a059d994189 ("PCI: imx: Add support for i.MX8MQ")
> >
> > d123765b58ee added SOC_IMX7D:
> >
> >   -       depends on SOC_IMX6Q || (ARM && COMPILE_TEST)
> >   +       depends on SOC_IMX6Q || SOC_IMX7D || (ARM && COMPILE_TEST)
> >
> > and 1a059d994189 added SOC_IMX8MQ but dropped SOC_IMX7D again, which looks
> > like a mistake:
> >
> >   -       depends on SOC_IMX6Q || SOC_IMX7D || (ARM && COMPILE_TEST)
> >   +       depends on SOC_IMX8MQ || SOC_IMX6Q || (ARM && COMPILE_TEST)
> >
> > So my "next" branch[1] (current head 7053eeb009e0) is:
> >
> >   config PCI_IMX6
> >         bool "Freescale i.MX6/7 PCIe controller"
> >         depends on SOC_IMX8MQ || SOC_IMX6Q || (ARM && COMPILE_TEST)
> >         depends on PCI_MSI_IRQ_DOMAIN
> >         select PCIE_DW_HOST
> >
> > which I think is wrong.
>
> Yeah, this is definitely wrong, should be SOC_IMX8MQ || SOC_IMX6Q ||
> SOC_IMX7D || (ARM && COMPILE_TEST)

arm-soc would like to see the SOC_IMX8MQ option removed, so let's try
to not add any more things that depend on this. Please use (ARM64 &&
MACH_MXC) or something to that tune instead.

Regards,
Lucas

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