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

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Date:	Thu, 10 Jul 2014 11:28:05 +0530
From:	Lokesh Vutla <lokeshvutla@...com>
To:	Tony Lindgren <tony@...mide.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

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/

Thanks and regards,
Lokesh

> 
> Regards,
> 
> Tony
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