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SubjectRe: [PATCH v2 0/3] PCIE support for i.MX8MQ
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)

> Lorenzo, if you update your pci/dwc branch, I'll rebuild my "next" branch.
>
> If you want to tweak the switch statements and/or IMX8 checks, you
> could do that at the same time.
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=next

OK, I'll use the branch above for v3 of the patches.

Thanks,
Andrey Smirnov

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