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From: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= <mans@mansr.com>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Sebastian Frias <sf84@laposte.net>
Subject: Re: [RFC PATCH v3] irqchip: Add support for Tango interrupt controller
References: <569CE0F2.1060507@sigmadesigns.com>
	<569D0B80.1010908@sigmadesigns.com>
	<569D165E.4060004@sigmadesigns.com> <569FAFF5.4090909@arm.com>
Date: Wed, 20 Jan 2016 16:10:46 +0000
In-Reply-To: <569FAFF5.4090909@arm.com> (Marc Zyngier's message of "Wed, 20
	Jan 2016 16:04:05 +0000")
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Marc Zyngier <marc.zyngier@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