linux-kernel - [PATCH] ARM: dts: BCM5301X: Add missing "ranges property for PCIe nodes

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Date:   Tue, 20 Sep 2022 14:02:12 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Rafał Miłecki <zajec5@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: dts: BCM5301X: Add missing "ranges property for PCIe nodes

Add empty ranges properties to silence such warnings:

arch/arm/boot/dts/bcm5301x.dtsi:240.21-246.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)
arch/arm/boot/dts/bcm5301x.dtsi:248.21-254.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)
arch/arm/boot/dts/bcm5301x.dtsi:256.21-262.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)

to silence warnings. This is not a functional issue since the driver does not
make use of the OF infrastructure for registering the PCIe controller(s) on
this chip, but uses the BCMA bus.

Fixes: 61dc1e3850a6 ("ARM: dts: BCM5301X: Add basic PCI controller properties")
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Change-Id: Ia4eba6d21b72620d2fd8d5c3548c1777d3c1c357
---
 arch/arm/boot/dts/bcm5301x.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index a06184b8e0d9..3fb1448b449f 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -240,6 +240,7 @@ chipcommon: chipcommon@0 {
 		pcie0: pcie@...00 {
 			reg = <0x00012000 0x1000>;
 			device_type = "pci";
+			ranges = <0 0 0 0 0 0>;
 
 			#address-cells = <3>;
 			#size-cells = <2>;
@@ -248,6 +249,7 @@ pcie0: pcie@...00 {
 		pcie1: pcie@...00 {
 			reg = <0x00013000 0x1000>;
 			device_type = "pci";
+			ranges = <0 0 0 0 0 0>;
 
 			#address-cells = <3>;
 			#size-cells = <2>;
@@ -256,6 +258,7 @@ pcie1: pcie@...00 {
 		pcie2: pcie@...00 {
 			reg = <0x00014000 0x1000>;
 			device_type = "pci";
+			ranges = <0 0 0 0 0 0>;
 
 			#address-cells = <3>;
 			#size-cells = <2>;
-- 
2.25.1