[PATCH] ARM: imx6: correct i.MX6 PCIe interrupt routing

Shawn Guo shawnguo at kernel.org
Wed Aug 5 18:28:32 PDT 2015


On Wed, Aug 05, 2015 at 06:54:37PM +0200, Lucas Stach wrote:
> The PCIe interrupts are also routed through the GPC. This has been
> missed from the conversion to stacked IRQ domains as the PCIe
> controller uses an explicit interrupt map and thus doesn't inherit
> the SoC global interrupt parent.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

So this is a fix and need copy stable?

Shawn

> ---
> This commit does not change the i.MX6SX PCIe node, as PCIe isn't
> functional in mainline on this SoC and the DT node needs a major
> rewrite to account for the specifics of this SoC anyway.
> ---
>  arch/arm/boot/dts/imx6qdl.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index e6d13592080d..b57033e8c633 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -181,10 +181,10 @@
>  			interrupt-names = "msi";
>  			#interrupt-cells = <1>;
>  			interrupt-map-mask = <0 0 0 0x7>;
> -			interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> -			                <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> -			                <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> -			                <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-map = <0 0 0 1 &gpc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> +			                <0 0 0 2 &gpc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
> +			                <0 0 0 3 &gpc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
> +			                <0 0 0 4 &gpc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
>  			clocks = <&clks IMX6QDL_CLK_PCIE_AXI>,
>  				 <&clks IMX6QDL_CLK_LVDS1_GATE>,
>  				 <&clks IMX6QDL_CLK_PCIE_REF_125M>;
> -- 
> 2.4.6
> 
> 
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