Re: [Qemu-devel] [PATCH v3 5/7] sysbus: Add new platform bus helper device

[Paolo Bonzini <pbonzini@redhat.com>]

Il 24/09/2014 17:22, Alexander Graf ha scritto:
> +    if (!memory_region_is_mapped(sbdev_mr)) {
> +        /* Region is not mapped? */
> +        return -1;
> +    }
> +
> +    parent_mr = object_property_get_link(OBJECT(sbdev_mr), "container", NULL);
> +
> +    assert(parent_mr);
> +    if (parent_mr != pbus_mr_obj) {
> +        /* MMIO region is not mapped on platform bus */
> +        return -1;
> +    }
> +
> +    return object_property_get_int(OBJECT(sbdev_mr), "addr", NULL);

I think this should try going through the parent recursively until
reaching NULL (which would fail) or pbus_mr_obj.

Paolo