[PATCH] arm64: dts: marvell: mcbin: Enable PCIe interface

[linux@armlinux.org.uk (Russell King - ARM Linux)]

On Wed, Jul 05, 2017 at 06:36:53PM +0100, Ard Biesheuvel wrote:
> On 5 July 2017 at 18:16, Russell King - ARM Linux <linux@armlinux.org.uk> wrote:
> > On Wed, Jul 05, 2017 at 06:13:33PM +0200, Gregory CLEMENT wrote:
> >> Enable the PCIe interface on the MACCHIATOBin board. It is located on
> >> CON12 and is 4 lanes capable.
> >>
> >> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> >
> > Why do you folk at free-electrons like doing half a job all the friggin
> > time?
> >
> > You know I have complete patches for mcbin, but you pointedly won't look
> > at them at all - except when you have a problem and want to test my tree.
> > And even then, you ignore my work (despite testing that it works), and
> > you still recreate my patches.
> >
> > This is really frustrating and insane behaviour on your part.
> >
> > Here's what I have:
> >
> > +&cpm_pcie0 {
> > +       pinctrl-names = "default";
> > +       pinctrl-0 = <&cpm_pcie_pins>;
> > +       num-lanes = <4>;
> > +       reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_LOW>;
> > +       status = "okay";
> 
> This needs 'num-viewport = <8>' as well, or the crazy Synopsys DWC
> PCIe driver will happily reconfigure the I/O window at runtime to
> perform config space accesses, without any locking whatsoever.

Thanks for the feedback, I'll integrate that change into my patch, so
it's ready for when I rebase after -rc1.

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