From b956c9de91757c9478e24fc9f6a57fd46f0a49f0 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 17 Feb 2025 01:16:34 +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 Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20250216221634.364158-4-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 89ba0d7f47f7..4e730aecf84d 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -969,7 +969,7 @@ 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";