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

Måns Rullgård mans at mansr.com
Wed Jan 20 08:10:46 PST 2016


Marc Zyngier <marc.zyngier at arm.com> writes:

>> +	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.

-- 
Måns Rullgård



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