On Thu, Mar 13, 2014 at 10:40:05AM -0700, Tim Harvey wrote:
> The invalid value of #address-cells in the imx6 pcie host controller node
> causes of_irq_parse_raw() to incorrectly advance through an interrupt-map
> table of more than one interrupt.
>
> This patch resolves this issue and allows proper interrupt mapping for an
> imx6 pcie host connected to a P2P bridge when using legacy interrupts.
>
> Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx>
> Cc: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
> Cc: Jingoo Han <jg1.han@xxxxxxxxxxx>
> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: linux-samsung-soc <linux-samsung-soc@xxxxxxxxxxxxxxx>
> Cc: Richard Zhu <r65037@xxxxxxxxxxxxx>
> Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Ben Dooks <ben-linux@xxxxxxxxx>
> Cc: linux-tegra <linux-tegra@xxxxxxxxxxxxxxx>
> Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
> Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx6qdl.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index af8d28d..2285299 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -49,7 +49,7 @@
> intc: interrupt-controller@00a01000 {
> compatible = "arm,cortex-a9-gic";
> #interrupt-cells = <3>;
> - #address-cells = <1>;
> + #address-cells = <0>;
> #size-cells = <1>;
So we should probably just drop both #address-cells and #size-cells? If
so, please help patch imx6sl.dtsi as well.
Shawn
> interrupt-controller;
> reg = <0x00a01000 0x1000>,
> --
> 1.8.3.2
>
>
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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>
>
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