linux-kernel - Re: [PATCH 2/8] irqdomain: Take interrupt-parent property into account if specified

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Message-ID: <20120831094434.GF13298@gmail.com>
Date:	Fri, 31 Aug 2012 10:44:38 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	STEricsson_nomadik_linux@...t.st.com, linus.walleij@...ricsson.com,
	arnd@...db.de, broonie@...nsource.wolfsonmicro.com,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 2/8] irqdomain: Take interrupt-parent property into
 account if specified

On Tue, Aug 14, 2012 at 10:19:08AM +0200, Linus Walleij wrote:
> On Thu, Aug 9, 2012 at 5:53 PM, Lee Jones <lee.jones@...aro.org> wrote:
> 
> > irq_find_host() currently ignores the 'interrupt-parent' property
> > even if it's specified in the Device Tree. Meaning that a node can
> > match to a domain in its hierarchy even if it doesn't belong to it.
> > By searching for the parent first using of_irq_find_parent() we
> > insist that the 'interrupt-parent' property is taken into account
> > ensuring a greater chance of returning the correct domain.
> >
> > CC: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> > CC: Grant Likely <grant.likely@...retlab.ca>
> > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> 
> This (with 1/8) is the right solution. Thanks, and I think
> Mark may want to look at this too since I recognize he asked
> you to work in this direction.
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>

Rob, did this get your Ack too?

Ben, Grant, Mark, would you like to take a look also?

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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