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:helg...@kernel.org] Sent: Tuesday, September 13, 2016 6:14 AM To: Po Liu Cc: linux-...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org; devicet...@vger.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....@nxp.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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" > in the body of a message to majord...@vger.kernel.org More majordomo > info at http://vger.kernel.org/majordomo-info.html
