linux-kernel - Re: [PATCHv2 2/3] ARM: zynq: dt: Updated devicetree for Zynq 7000 platform.

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Message-ID: <5626223F.6040008@xilinx.com>
Date:	Tue, 20 Oct 2015 13:15:11 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	Josh Cartwright <joshc@...com>,
	Michal Simek <michal.simek@...inx.com>
CC:	Moritz Fischer <moritz.fischer@...us.com>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<soren.brinkmann@...inx.com>, <linux@....linux.org.uk>,
	<atull@...nsource.altera.com>, <gregkh@...uxfoundation.org>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv2 2/3] ARM: zynq: dt: Updated devicetree for Zynq 7000
 platform.

On 10/19/2015 08:24 PM, Josh Cartwright wrote:
> On Mon, Oct 19, 2015 at 04:09:09PM +0200, Michal Simek wrote:
>> On 10/18/2015 07:53 PM, Josh Cartwright wrote:
>>> On Fri, Oct 16, 2015 at 03:42:29PM -0700, Moritz Fischer wrote:
> [..]
>>>> @@ -294,6 +294,11 @@
>>>>  		devcfg: devcfg@...07000 {
>>>>  			compatible = "xlnx,zynq-devcfg-1.0";
>>>>  			reg = <0xf8007000 0x100>;
>>>> +			interrupt-parent = <&intc>;
>>>
>>> You shouldn't need interrupt-parent here.  In fact, I suspect it can be
>>> removed from all sibling nodes as well.
>>
>> Correct. But I tend to do it vice-versa. To remove it from amba node and
>> keep it in every IP here. The reason is simple to let everybody know
>> that setting up right interrupt controller is something what they have
>> to care. If you have more interrupt controllers in the system it can be
>> messy.
> 
> If you like that, then you'd like the interrupt-extended properly even
> better (I think).

yep. That works for me too.

Thanks,
Michal
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