Re: [Xen-devel] [PATCH v2] xen/dt: Allow only IRQ translation that are mapped to main GIC

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 07/08/2014 12:02 PM, Julien Grall wrote:
> Xen is only able to handle one GIC controller. Some platform may contain
> other interrupt controller.
> 
> Make sure to only translate IRQ mapped into the GIC handled by Xen.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> 
> ---
>     Changes in v2:
>         - Fix compilation...

Please ignore this patch. The problem is bigger than I though. I will
send a proper series later.

> ---
>  xen/common/device_tree.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
> index 310635e..7178c77 100644
> --- a/xen/common/device_tree.c
> +++ b/xen/common/device_tree.c
> @@ -1444,6 +1444,8 @@ int dt_irq_translate(const struct dt_raw_irq *raw,
>      ASSERT(dt_irq_xlate != NULL);
>  
>      /* TODO: Retrieve the right irq_xlate. This is only work for the gic */
> +    if ( raw->controller != dt_interrupt_controller )
> +        return -EINVAL;
>  
>      return dt_irq_xlate(raw->specifier, raw->size,
>                          &out_irq->irq, &out_irq->type);
> 


-- 
Julien Grall

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