From da3122b58765ba73249c8a68e16941308e76196c Mon Sep 17 00:00:00 2001
From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Date: Sun, 16 Feb 2025 01:10:44 +0300
Subject: [PATCH] arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS
instead of MBI
Rockchip 356x device-tree now supports GIC ITS. Move PCIe controller's
MSI to use ITS instead of MBI. This removes extra CPU overhead of handling
PCIe MBIs by letting GIC's ITS to serve the PCIe MSIs.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
index 4231856866009..4f11141ea146b 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
@@ -969,7 +969,7 @@ pcie2x1: pcie@fe260000 {
num-ib-windows = <6>;
num-ob-windows = <2>;
max-link-speed = <2>;
- msi-map = <0x0 &gic 0x0 0x1000>;
+ msi-map = <0x0 &its 0x0 0x1000>;
num-lanes = <1>;
phys = <&combphy2 PHY_TYPE_PCIE>;
phy-names = "pcie-phy";
--
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