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Date: Wed, 31 Aug 2016 14:37:21 +0800
From: Po Liu <po.liu@....com>
To: <linux-pci@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: Bjorn Helgaas <bhelgaas@...gle.com>,
Shawn Guo <shawnguo@...nel.org>,
Marc Zyngier <marc.zyngier@....com>,
Rob Herring <robh@...nel.org>, "Roy Zang" <roy.zang@....com>,
Mingkai Hu <mingkai.hu@....com>,
Stuart Yoder <stuart.yoder@....com>,
Yang-Leo Li <leoyang.li@....com>,
Arnd Bergmann <arnd@...db.de>,
Minghuan Lian <minghuan.lian@....com>,
Murali Karicheri <m-karicheri2@...com>, Po Liu <po.liu@....com>
Subject: [PATCH v4 1/2] nxp/dts: add pcie aer interrupt-name property in the dts
NXP some platforms aer interrupt was not MSI/MSI-X/INTx
but using interrupt line independently. This patch add a "aer"
interrupt-names for aer interrupt.
With the interrupt-names "aer", code could probe aer interrupt
line for pcie root port, replace the aer interrupt service irq.
This is intend to fixup the Layerscape platforms which aer interrupt
was not MSI/MSI-X/INTx, but using interrupt line independently.
Signed-off-by: Po Liu <po.liu@....com>
---
changes for V4:
- Add comments explain why to add this patch
- Move the binding changes to pci code patch
arch/arm/boot/dts/ls1021a.dtsi | 6 ++++--
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 18 +++++++++---------
arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 16 ++++++++--------
3 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index 368e219..443e50b 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -634,7 +634,8 @@
reg = <0x00 0x03400000 0x0 0x00010000 /* controller registers */
0x40 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */
+ interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>; /* aer interrupt */
+ interrupt-names = "aer";
fsl,pcie-scfg = <&scfg 0>;
#address-cells = <3>;
#size-cells = <2>;
@@ -657,7 +658,8 @@
reg = <0x00 0x03500000 0x0 0x00010000 /* controller registers */
0x48 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>; /* aer interrupt */
+ interrupt-names = "aer";
fsl,pcie-scfg = <&scfg 1>;
#address-cells = <3>;
#size-cells = <2>;
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index e669fbd..654071d 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -527,9 +527,9 @@
reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */
0x40 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 118 0x4>, /* controller interrupt */
- <0 117 0x4>; /* PME interrupt */
- interrupt-names = "intr", "pme";
+ interrupts = <0 117 0x4>, /* PME interrupt */
+ <0 118 0x4>; /* aer interrupt */
+ interrupt-names = "pme", "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -552,9 +552,9 @@
reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */
0x48 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 128 0x4>,
- <0 127 0x4>;
- interrupt-names = "intr", "pme";
+ interrupts = <0 127 0x4>,
+ <0 128 0x4>;
+ interrupt-names = "pme", "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -577,9 +577,9 @@
reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */
0x50 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 162 0x4>,
- <0 161 0x4>;
- interrupt-names = "intr", "pme";
+ interrupts = <0 161 0x4>,
+ <0 162 0x4>;
+ interrupt-names = "pme", "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index 21023a3..58844e8 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -583,8 +583,8 @@
reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */
0x10 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 108 0x4>; /* Level high type */
- interrupt-names = "intr";
+ interrupts = <0 108 0x4>; /* aer interrupt */
+ interrupt-names = "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -607,8 +607,8 @@
reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */
0x12 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 113 0x4>; /* Level high type */
- interrupt-names = "intr";
+ interrupts = <0 113 0x4>; /* aer interrupt */
+ interrupt-names = "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -631,8 +631,8 @@
reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */
0x14 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 118 0x4>; /* Level high type */
- interrupt-names = "intr";
+ interrupts = <0 118 0x4>; /* aer interrupt */
+ interrupt-names = "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -655,8 +655,8 @@
reg = <0x00 0x03700000 0x0 0x00100000 /* controller registers */
0x16 0x00000000 0x0 0x00002000>; /* configuration space */
reg-names = "regs", "config";
- interrupts = <0 123 0x4>; /* Level high type */
- interrupt-names = "intr";
+ interrupts = <0 123 0x4>; /* aer interrupt */
+ interrupt-names = "aer";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
--
2.1.0.27.g96db324
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