linux-kernel - Re: [PATCH V4 2/2] arm: dts: dra7: add crossbar device binding

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Message-ID: <20140710061949.GE28884@atomide.com>
Date:	Wed, 9 Jul 2014 23:19:49 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Lokesh Vutla <lokeshvutla@...com>
Cc:	Sricharan R <r.sricharan@...com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, santosh.shilimkar@...com, nm@...com,
	rnayak@...com, linux@....linux.org.uk, tglx@...utronix.de,
	jason@...edaemon.net, joe@...ches.com,
	Benoit Cousson <bcousson@...libre.com>
Subject: Re: [PATCH V4 2/2] arm: dts: dra7: add crossbar device binding

* Lokesh Vutla <lokeshvutla@...com> [140709 23:00]:
> Hi Tony,
> On Wednesday 09 July 2014 09:14 PM, Tony Lindgren wrote:
> > * Tony Lindgren <tony@...mide.com> [140626 03:28]:
> >> * Sricharan R <r.sricharan@...com> [140626 01:36]:
> >>> Hi Tony,
> >>>
> >>> On Thursday 26 June 2014 01:14 PM, Tony Lindgren wrote:
> >>>> * Sricharan R <r.sricharan@...com> [140626 00:29]:
> >>>>> From: R Sricharan <r.sricharan@...com>
> >>>>>
> >>>>> There is a IRQ crossbar device in the soc, which
> >>>>> maps the irq requests from the peripherals to the
> >>>>> mpu interrupt controller's inputs. The Peripheral irq
> >>>>> requests are connected to only one crossbar
> >>>>> input and the output of the crossbar is connected to only one
> >>>>> controller's input line. The crossbar device is used to map
> >>>>> a peripheral input to a free mpu's interrupt controller line.
> >>>>>
> >>>>> Here, adding a new crossbar device node and replacing all the peripheral
> >>>>> interrupt numbers with its fixed crossbar input lines.
> >>>>
> >>>> I think these two patches need to be a single patch to avoid
> >>>> breaking booting for git bisect inbetween these patches?
> >>>   This does not cause booting issues. irq_desc gets allocated linearly,
> >>>    but that does not create boot issues.
> >>
> >> OK
> > 
> > These are now applied on top of Jason's immutable irqchip branch
> > and merged and pushed out into omap-for-v3.17/dt. Can you guys
> > please test?
> I have tested omap-for-v3.17/dt on DRA7 EVM. Crossbar is working fine.
> Looks good to me.
> 
> lokesh@...31933lt:~/working/mainline/linux$ git describe 
> v3.16-rc1-34-g6464099
> 
> Please find the logs here: http://paste.ubuntu.com/7773616/

OK great thanks!

Tony
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