linux-kernel - Re: [RFC 9/9] of/irq: create interrupts-extended property

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Date:	Thu, 17 Oct 2013 10:33:11 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>
Subject: Re: [RFC 9/9] of/irq: create interrupts-extended property

* Grant Likely <grant.likely@...aro.org> [131015 13:43]:
> The standard interrupts property in device tree can only handle
> interrupts coming from a single interrupt parent. If a device is wired
> to multiple interrupt controllers, then it needs to be attached to a
> node with an interrupt-map property to demux the interrupt specifiers
> which is confusing. It would be a lot easier if there was a form of the
> interrupts property that allows for a separate interrupt phandle for
> each interrupt specifier.
> 
> This patch does exactly that by creating a new interrupts-extended
> property which reuses the phandle+arguments pattern used by GPIOs and
> other core bindings.
> 
> Signed-off-by: Grant Likely <grant.likely@...aro.org>
> Cc: Rob Herring <rob.herring@...xeda.com>

Works for me and solves the issue for devices with interrupts
from multiple interrupt controllers:

Acked-by: Tony Lindgren <tony@...mide.com>

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