From: Zhiqiang Hou <Zhiqiang.Hou@nxp.com>
To: <linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<tglx@linutronix.de>, <jason@lakedaemon.net>,
<marc.zyngier@arm.com>, <robh+dt@kernel.org>,
<mark.rutland@arm.com>, <linux@armlinux.org.uk>,
<shawnguo@kernel.org>, <Minghuan.Lian@nxp.com>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Subject: [PATCHv4 4/9] arm: dts: ls1021a: share all MSIs
Date: Wed, 5 Jul 2017 14:58:58 +0800 [thread overview]
Message-ID: <1499237943-24203-4-git-send-email-Zhiqiang.Hou@nxp.com> (raw)
In-Reply-To: <1499237943-24203-1-git-send-email-Zhiqiang.Hou@nxp.com>
From: Minghuan Lian <Minghuan.Lian@nxp.com>
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@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
---
v4-v1:
- None
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 51b0f69..9319e1f 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -699,7 +699,7 @@
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>,
@@ -722,7 +722,7 @@
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>,
--
2.1.0.27.g96db324
next prev parent reply other threads:[~2017-07-05 7:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-05 6:58 [PATCHv4 1/9] irqchip/ls-scfg-msi: fix typo of MSI compatible strings Zhiqiang Hou
2017-07-05 6:58 ` [PATCHv4 2/9] arm: dts: ls1021a: fix typo of MSI compatible string Zhiqiang Hou
2017-07-05 6:58 ` [PATCHv4 3/9] arm64: dts: ls1043a: " Zhiqiang Hou
2017-07-05 6:58 ` Zhiqiang Hou [this message]
2017-07-05 6:58 ` [PATCHv4 5/9] arm64: dts: ls1043a: share all MSIs Zhiqiang Hou
2017-07-05 6:59 ` [PATCHv4 6/9] arm64: dts: ls1046a: add MSI dts node Zhiqiang Hou
2017-07-05 6:59 ` [PATCHv4 7/9] irqchip/ls-scfg-msi: add LS1046a MSI support Zhiqiang Hou
2017-07-05 6:59 ` [PATCHv4 8/9] irqchip/ls-scfg-msi: add LS1043a v1.1 " Zhiqiang Hou
2017-07-05 6:59 ` [PATCHv4 9/9] irqchip/ls-scfg-msi: add MSI affinity support Zhiqiang Hou
2017-08-29 7:04 ` [PATCHv4 1/9] irqchip/ls-scfg-msi: fix typo of MSI compatible strings Z.q. Hou
2017-08-31 15:15 ` Marc Zyngier
2017-09-01 2:50 ` Z.q. Hou
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