[PATCH v2 1/2] ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting

From: Nicolas Saenz Julienne
Date: Tue Aug 31 2021 - 08:59:08 EST


dtbs_check currently complains that:

arch/arm/boot/dts/bcm2711-rpi-4-b.dts:220.10-231.4: Warning
(pci_device_reg): /scb/pcie@7d500000/pci@1,0: PCI unit address format
error, expected "0,0"

Unsurprisingly pci@0,0 is the right address, as illustrated by its reg
property:

&pcie0 {
pci@0,0 {
/*
* As defined in the IEEE Std 1275-1994 document,
* reg is a five-cell address encoded as (phys.hi
* phys.mid phys.lo size.hi size.lo). phys.hi
* should contain the device's BDF as 0b00000000
* bbbbbbbb dddddfff 00000000. The other cells
* should be zero.
*/
reg = <0 0 0 0 0>;
};
};

The device is clearly 0. So fix it.

Also add a missing 'device_type = "pci"'.

Fixes: 258f92d2f840 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Nicolas Saenz Julienne <nsaenzju@xxxxxxxxxx>
---

Changes since v1:
- s/bus/device/ when talking about unit addresses
- Add device_type
- Add Suggested-by

arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index f24bdd0870a5..8377dc14b7b5 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -217,7 +217,8 @@ phy1: ethernet-phy@1 {
};

&pcie0 {
- pci@1,0 {
+ pci@0,0 {
+ device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
ranges;
--
2.31.1