Re: [PATCH 06/12] arm64: dts: zynqmp: Add label for zynqmp_ipi

From: Laurent Pinchart
Date: Sun Dec 06 2020 - 17:49:02 EST


On Mon, Dec 07, 2020 at 12:46:56AM +0200, Laurent Pinchart wrote:
> Hi Michal,
>
> Thank you for the patch.
>
> On Wed, Dec 02, 2020 at 03:06:05PM +0100, Michal Simek wrote:
> > Add label which is used by bootloader for adding bootloader specific flag.
> >
> > Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> > ---
> >
> > U-Boot needs to add u-boot,dm-pre-reloc; property
>
> I'm not entirely sure what best practice rules are in this area, but
> shouldn't U-Boot locate the node by name instead of label ?

And regardless of what mechanism is used, it should be documented in the
bindings.

> > ---
> > arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > index 4fa820f78d76..8e9b54b5e70c 100644
> > --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> > @@ -99,7 +99,7 @@ opp03 {
> > };
> > };
> >
> > - zynqmp_ipi {
> > + zynqmp_ipi: zynqmp_ipi {
> > compatible = "xlnx,zynqmp-ipi-mailbox";
> > interrupt-parent = <&gic>;
> > interrupts = <0 35 4>;

--
Regards,

Laurent Pinchart