[PATCH 4/6] edac: Document Krait L1/L2 EDAC driver binding

Mark Rutland mark.rutland at arm.com
Mon Oct 28 21:34:55 EDT 2013


On Tue, Oct 29, 2013 at 12:31:28AM +0000, Stephen Boyd wrote:
> The Krait L1/L2 error reporting device is made up of two
> interrupts, one per-CPU interrupt for the L1 caches and one
> interrupt for the L2 cache.
> 
> Cc: <devicetree at vger.kernel.org>
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
> ---
>  .../devicetree/bindings/arm/qcom,krait-cache-erp.txt     | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/qcom,krait-cache-erp.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom,krait-cache-erp.txt b/Documentation/devicetree/bindings/arm/qcom,krait-cache-erp.txt
> new file mode 100644
> index 0000000..01fe8a8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/qcom,krait-cache-erp.txt
> @@ -0,0 +1,16 @@
> +* Qualcomm Krait L1 / L2 cache error reporting
> +
> +Required properties:
> +- compatible: Should be "qcom,krait-cache-erp"
> +- interrupts: Should contain the L1/CPU error interrupt number and
> +  then the L2 cache error interrupt number
> +
> +Optional properties:
> +- interrupt-names: Should contain the interrupt names "l1_irq" and
> +  "l2_irq"

As with my comment on the parsing code, I'd prefer that if interrupt-names was
present it defined the order of interrupts. Otherwise it's redundant and of no
value.

Otherwise, the binding looks fine to me:

Acked-by: Mark Rutland <mark.rutland at arm.com>

> +
> +Example:
> +	edac {
> +		compatible = "qcom,krait-cache-erp";
> +		interrupts = <1 9 0xf04>, <0 2 0x4>;
> +	};
> -- 
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> 
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