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

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Message-ID: <CAMsMSK_jwd6OMMJ8DfAckVJgav9U6p-oz9YcinUinaqj2xdwAA@mail.gmail.com>
Date:	Wed, 4 May 2016 08:57:06 -0700
From:	Chris Brand <chris.brand@...adcom.com>
To:	Ray Jui <ray.jui@...adcom.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	linux-kernel@...r.kernel.org,
	BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
	linux-arm-kernel@...ts.infradead.org,
	Alex Barba <alex.barba@...adcom.com>
Subject: Re: [PATCH 1/2] dt-bindings: arm,gic: Indtroduce optional property
 'arm,msi-offset-spi' for gicv2m

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

Chris

On Tue, May 3, 2016 at 4:47 PM, Ray Jui <ray.jui@...adcom.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@...adcom.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@...01000 {
> --
> 2.1.4
>