Re: [PATCH 1/2] dt-bindings: arm,gic: Indtroduce optional property 'arm,msi-offset-spi' for gicv2m

Chris Brand
2016-05-04T15:57:09Z

You have a typo in the subject line - "Indtroduce".

Chris

On Tue, May 3, 2016 at 4:47 PM, Ray Jui <ray.jui@broadcom.com> wrote:
> Update the GICv2m binding document by adding an optional property
> 'arm,msi-offset-spi'.
>
> Some implementations of gicv2m have an erratum where the MSI data is
> the SPI number subtracted by an offset. This is required for the
> correct MSI interrupt to be triggered.
>
> Signed-off-by: Ray Jui <ray.jui@broadcom.com>
> ---
> Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt
> index 793c20f..550960f 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt
> +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt
> @@ -140,6 +140,12 @@ Optional properties:
> value, this property should contain the number of
> SPIs assigned to the frame, overriding the HW value.
>
> +- arm,msi-offset-spi: Some implementations of gicv2m have an erratum where
> + the MSI data is the SPI number subtracted by an offset.
> + This is required for the correct MSI interrupt to be
> + triggered. This property should contain the required
> + offset.
> +
> Example:
>
> interrupt-controller@e1101000 {
> --
> 2.1.4
>