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

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Message-Id: <31D756E7-A7CD-42ED-8D1D-D1B38B85E3A0@codeaurora.org>
Date:	Mon, 28 Oct 2013 01:54:38 -0500
From:	Kumar Gala <galak@...eaurora.org>
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


On Oct 15, 2013, at 3:39 PM, Grant Likely wrote:

> 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>
> ---
> .../bindings/interrupt-controller/interrupts.txt   | 29 +++++++--
> arch/arm/boot/dts/testcases/tests-interrupts.dtsi  | 16 +++++
> arch/arm/boot/dts/versatile-ab.dts                 |  2 +-
> arch/arm/boot/dts/versatile-pb.dts                 |  2 +-
> drivers/of/irq.c                                   | 16 +++--
> drivers/of/selftest.c                              | 70 ++++++++++++++++++++++
> 6 files changed, 122 insertions(+), 13 deletions(-)

Acked-by: Kumar Gala <galak@...eaurora.org>

[ I think the patch should be split up so we aren't touching versatile dts as part of it ]

- k 

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

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