From d1555de5fa21c06118540dcd4a627a1af29bbb40 Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <patrick.rudolph@9elements.com>
Date: Tue, 27 May 2025 11:33:31 +0200
Subject: [PATCH] arm/dts/qemu-sbsa: Fix interrupt

Change the vcpumntirq in the GICv3 node from SPI to PPI.

Prevents Linux from complaining:
'[Firmware Bug]: CPU interface incapable of MMIO access'

Fixes: 6d722894fd48 "board: emulation: Add QEMU sbsa support"

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
---
 arch/arm/dts/qemu-sbsa.dts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/qemu-sbsa.dts b/arch/arm/dts/qemu-sbsa.dts
index 099b51b927f..a7718d6c29e 100644
--- a/arch/arm/dts/qemu-sbsa.dts
+++ b/arch/arm/dts/qemu-sbsa.dts
@@ -91,7 +91,10 @@
 		#interrupt-cells = <3>;
 		status = "okay";
 		interrupt-controller;
-		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+		/* vcpumntirq: virtual CPU interface maintenance interrupt */
+		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
 		reg = /bits/ 64 <SBSA_GIC_DIST_BASE_ADDR SBSA_GIC_DIST_LENGTH>,
 		      /bits/ 64 <SBSA_GIC_REDIST_BASE_ADDR SBSA_GIC_REDIST_LENGTH>,
 		      /bits/ 64 <0 0>,
-- 
2.39.5