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Message-ID: <VI1PR0401MB170970A4F177949FCE4827A892FE0@VI1PR0401MB1709.eurprd04.prod.outlook.com>
Date: Tue, 13 Sep 2016 03:02:05 +0000
From: Po Liu <po.liu@....com>
To: Bjorn Helgaas <helgaas@...nel.org>
CC: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
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>,
Vincent Hu <mingkai.hu@....com>,
Stuart Yoder <stuart.yoder@....com>,
Leo Li <leoyang.li@....com>, Arnd Bergmann <arnd@...db.de>,
"M.H. Lian" <minghuan.lian@....com>,
Murali Karicheri <m-karicheri2@...com>
Subject: RE: [PATCH v4 1/2] nxp/dts: add pcie aer interrupt-name property in
the dts
Hi Bjorn, Shawn, Rob,
Thanks for reply. I'll upload new patches:
- separate the patches with arm and arm64 dts for new version.
- Modify the binding comments to make it clear for explain the 'aer' property.
Best regards,
Liu Po
-----Original Message-----
From: Bjorn Helgaas [mailto:helgaas@...nel.org]
Sent: Tuesday, September 13, 2016 6:14 AM
To: Po Liu
Cc: linux-pci@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; devicetree@...r.kernel.org; Bjorn Helgaas; Shawn Guo; Marc Zyngier; Rob Herring; Roy Zang; Vincent Hu; Stuart Yoder; Leo Li; Arnd Bergmann; M.H. Lian; Murali Karicheri
Subject: Re: [PATCH v4 1/2] nxp/dts: add pcie aer interrupt-name property in the dts
On Wed, Aug 31, 2016 at 02:37:21PM +0800, Po Liu wrote:
> 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>
Rob and Shawn had comments here, and I'm not sure they ever got resolved.
> ---
> 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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