From 33755559118141ec136027a087487ae4b79659c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mattias=20Walstr=C3=B6m?= <lazzer@gmail.com>
Date: Fri, 25 Apr 2025 13:18:28 +0200
Subject: [PATCH] imx8mp-evk: Disable mqprio for eth1

The kernel just hang, adding a quirk for it.
---
 board/common/rootfs/usr/libexec/infix/has-quirk      | 12 ++++++++++++
 .../common/rootfs/usr/libexec/infix/init.d/25-mqprio |  1 +
 .../fsl,imx8mp-evk/etc/product/interface-quirks.json |  3 +++
 3 files changed, 16 insertions(+)
 create mode 100755 board/common/rootfs/usr/libexec/infix/has-quirk

diff --git a/board/common/rootfs/usr/libexec/infix/has-quirk b/board/common/rootfs/usr/libexec/infix/has-quirk
new file mode 100755
index 00000000..4f9a9bbc
--- /dev/null
+++ b/board/common/rootfs/usr/libexec/infix/has-quirk
@@ -0,0 +1,12 @@
+#!/bin/sh
+if [ $# -lt 2 ]; then
+        echo "usage: $0 <quirk-name> <ifname>"
+        exit 1
+fi
+quirk=$1
+ifname=$2
+if [ -f "/etc/product/interface-quirks.json" ]; then
+        echo "$(jq -r --arg iface "$ifname" --arg quirk "$quirk" '.[$iface][$quirk] // "false"' /etc/product/interface-quirks.json)"
+else
+        echo "false"
+fi
diff --git a/board/common/rootfs/usr/libexec/infix/init.d/25-mqprio b/board/common/rootfs/usr/libexec/infix/init.d/25-mqprio
index ff1c99ea..d53cc54d 100755
--- a/board/common/rootfs/usr/libexec/infix/init.d/25-mqprio
+++ b/board/common/rootfs/usr/libexec/infix/init.d/25-mqprio
@@ -43,6 +43,7 @@ while [ "$1" ]; do
     txqs="$2"
     shift 2
 
+    [ $(/usr/libexec/infix/has-quirk "broken-mqprio" "$iface") = "true" ] && echo "Skipping $iface, does not support mqprio" && continue
     [ $txqs -lt 2 ] && continue
     [ $txqs -gt 8 ] && txqs=8
 
diff --git a/src/board/freescale-imx8mp-evk/rootfs/usr/share/product/fsl,imx8mp-evk/etc/product/interface-quirks.json b/src/board/freescale-imx8mp-evk/rootfs/usr/share/product/fsl,imx8mp-evk/etc/product/interface-quirks.json
index 70098394..f9072113 100644
--- a/src/board/freescale-imx8mp-evk/rootfs/usr/share/product/fsl,imx8mp-evk/etc/product/interface-quirks.json
+++ b/src/board/freescale-imx8mp-evk/rootfs/usr/share/product/fsl,imx8mp-evk/etc/product/interface-quirks.json
@@ -1,5 +1,8 @@
 {
     "eth0": {
 	"phy-detached-when-down": true
+    },
+    "eth1": {
+	"broken-mqprio": true
     }
 }