[RFC PATCH v3] irqchip: Add support for Tango interrupt controller

Marc Zyngier [off-list ref] writes:

quoted

+	if (of_property_read_u32(node, "reg", &ctl))
+		panic("%s: failed to get reg base", node->name);
+
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	chip->ctl = ctl;
+	chip->base = base;

As I said before, this assumes the outer DT node uses a ranges
property.  Normally reg properties work the same whether they specify an
offset within an outer "ranges" or have a full address directly.  It
would be easy enough to make this work with either, so I don't see any
reason not to.

-- 
M?ns Rullg?rd