linux-kernel - [PATCH 4/9] arm: dts: ls1021a: share all MSIs

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Date:   Tue, 27 Dec 2016 17:13:00 +0800
From:   Minghuan Lian <Minghuan.Lian@....com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     Marc Zyngier <marc.zyngier@....com>, Rob Herring <robh@...nel.org>,
        Jason Cooper <jason@...edaemon.net>,
        Roy Zang <roy.zang@....com>, Mingkai Hu <mingkai.hu@....com>,
        Stuart Yoder <stuart.yoder@....com>,
        Yang-Leo Li <leoyang.li@....com>,
        Scott Wood <scott.wood@....com>,
        Minghuan Lian <Minghuan.Lian@....com>
Subject: [PATCH 4/9] arm: dts: ls1021a: share all MSIs

In order to maximize the use of MSI, a PCIe controller will share
all MSI controllers. The patch changes msi-parent to refer to all
MSI controller dts nodes.

Signed-off-by: Minghuan Lian <Minghuan.Lian@....com>
---
 arch/arm/boot/dts/ls1021a.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index 6651938..1c82024 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -723,7 +723,7 @@
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x40 0x00010000 0x0 0x00010000   /* downstream I/O */
 				  0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
-			msi-parent = <&msi1>;
+			msi-parent = <&msi1>, <&msi2>;
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic GIC_SPI 91  IRQ_TYPE_LEVEL_HIGH>,
@@ -746,7 +746,7 @@
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x48 0x00010000 0x0 0x00010000   /* downstream I/O */
 				  0x82000000 0x0 0x40000000 0x48 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */
-			msi-parent = <&msi2>;
+			msi-parent = <&msi1>, <&msi2>;
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic GIC_SPI 92  IRQ_TYPE_LEVEL_HIGH>,
-- 
1.9.1