From: Dmitry Osipenko Date: Sun, 16 Feb 2025 22:16:34 +0000 (+0300) Subject: arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS instead of MBI X-Git-Tag: v6.15-rc1~206^2~19 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b956c9de91757c9478e24fc9f6a57fd46f0a49f0;p=thirdparty%2Fkernel%2Flinux.git 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 --- diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi index 89ba0d7f47f7f..4e730aecf84df 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";