target/linux/bcm53xx/patches-5.4/045-v6.7-0005-ARM-dts-BCM5301X-Explicitly-disable-unused-switch-CP.patch

From 473baeab929444295b0530f8766e4becb6a08973 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Fri, 13 Oct 2023 12:33:13 +0200
Subject: [PATCH] ARM: dts: BCM5301X: Explicitly disable unused switch CPU
 ports
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When redescribing ports I assumed that missing "label" (like "cpu")
means switch port isn't used. That was incorrect and I realized my
change made Linux always use the first (5) CPU port (there are 3 of
them).

While above should technically be possible it often isn't correct:
1. Non-default switch ports are often connected to Ethernet interfaces
   not fully covered by vendor setup (they may miss MACs)
2. On some devices non-default ports require specifying fixed link

This fixes network connectivity for some devices. It was reported &
tested for Netgear R8000. It also affects Linksys EA9200 with its
downstream DTS.

Fixes: ba4aebce23b2 ("ARM: dts: BCM5301X: Describe switch ports in the main DTS")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20231013103314.10306-1-zajec5@gmail.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 .../dts/broadcom/bcm4708-buffalo-wzr-1166dhp-common.dtsi  | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm4708-luxul-xap-1510.dts     | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm4708-luxul-xwc-1000.dts     | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm4708-netgear-r6250.dts      | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm4708-smartrg-sr400ac.dts    | 8 ++++++++
 .../boot/dts/broadcom/bcm47081-buffalo-wzr-600dhp2.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47081-luxul-xap-1410.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47081-luxul-xwr-1200.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm4709-netgear-r8000.dts      | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-dlink-dir-885l.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-dlink-dir-890l.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-abr-4500.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-xap-1610.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-xbr-4500.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-xwc-2000.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-xwr-3100.dts    | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm47094-luxul-xwr-3150-v1.dts | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm53015-meraki-mr26.dts       | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm53016-meraki-mr32.dts       | 8 ++++++++
 arch/arm/boot/dts/broadcom/bcm953012er.dts                | 8 ++++++++
 20 files changed, 160 insertions(+)

--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1166dhp-common.dtsi
@@ -181,5 +181,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
@@ -85,5 +85,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -88,5 +88,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -122,5 +122,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -145,6 +145,14 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
 
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -145,5 +145,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
+++ b/arch/arm/boot/dts/bcm47081-luxul-xap-1410.dts
@@ -81,5 +81,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
+++ b/arch/arm/boot/dts/bcm47081-luxul-xwr-1200.dts
@@ -148,5 +148,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -227,6 +227,14 @@
 			label = "wan";
 		};
 
+		port@5 {
+			status = "disabled";
+		};
+
+		port@7 {
+			status = "disabled";
+		};
+
 		port@8 {
 			label = "cpu";
 		};
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -160,6 +160,14 @@
 			nvmem-cell-names = "mac-address";
 		};
 
+		port@5 {
+			status = "disabled";
+		};
+
+		port@7 {
+			status = "disabled";
+		};
+
 		port@8 {
 			label = "cpu";
 		};
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-890l.dts
@@ -192,6 +192,14 @@
 			label = "wan";
 		};
 
+		port@5 {
+			status = "disabled";
+		};
+
+		port@7 {
+			status = "disabled";
+		};
+
 		port@8 {
 			label = "cpu";
 			phy-mode = "rgmii";
--- a/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-abr-4500.dts
@@ -107,5 +107,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xap-1610.dts
@@ -120,5 +120,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xbr-4500.dts
@@ -107,5 +107,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwc-2000.dts
@@ -75,5 +75,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3100.dts
@@ -147,5 +147,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
+++ b/arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dts
@@ -158,5 +158,13 @@
 		port@5 {
 			label = "cpu";
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
--- a/arch/arm/boot/dts/bcm53015-meraki-mr26.dts
+++ b/arch/arm/boot/dts/bcm53015-meraki-mr26.dts
@@ -124,6 +124,14 @@
 				full-duplex;
 			};
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
 
--- a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
+++ b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
@@ -185,6 +185,14 @@
 				full-duplex;
 			};
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };
 
--- a/arch/arm/boot/dts/bcm953012er.dts
+++ b/arch/arm/boot/dts/bcm953012er.dts
@@ -84,6 +84,14 @@
 			label = "cpu";
 			ethernet = <&gmac0>;
 		};
+
+		port@7 {
+			status = "disabled";
+		};
+
+		port@8 {
+			status = "disabled";
+		};
 	};
 };