linux-kernel - Re: [BUG][mvebu] mvneta: cannot request irq 25 on openblocks-ax3

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Date:	Tue, 19 Mar 2013 17:43:49 +0100
From:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
CC:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org,
	thomas.petazzoni@...e-electrons.com,
	Jason Cooper <jason@...edaemon.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com>,
	Florian Fainelli <florian@...nwrt.org>
Subject: Re: [BUG][mvebu] mvneta: cannot request irq 25 on openblocks-ax3

On 03/19/2013 03:19 PM, Masami Hiramatsu wrote:
> Hi Ezequiel,
> 
> (2013/03/19 22:39), Ezequiel Garcia wrote:
>> Hi Masami,
>>
>> On Tue, Mar 19, 2013 at 10:12:37PM +0900, Masami Hiramatsu wrote:
>>>
>>> Here I've hit a bug on the recent kernel. As far as I know, this bug
>>> exists on 3.9-rc1 too.
>>>
>>> When I tried the latest mvebu for-next tree
>>> (git://git.infradead.org/users/jcooper/linux.git mvebu/for-next),
>>> I got below warning at bootup time and mvneta didn't work (link was never up).
>>> I ensured that "ifconfig ethX up" always caused that.
>>>
>>> Does anyone succeed to boot openblocks-ax3 recently or hit same
>>> trouble?
>>
>> This is a known bug. Gregory Clement already has a fix and he
>> will submit it soon. In case you need this fixed ASAP, I'm attaching
>> you a patch with a fix.
> 
> Thanks! I'll try that.
> 
>> Please note the attached patch is not ready for mainline inclusion,
>> as I said Gregory will submit a cleaner version soon.
> 
> Yeah, I look forward to it :)

Hi Masami,

You can try this patch if you want.
I don't have the hardware today so I didn't test it.
If you (and also Florian and Ezequiel) can test it and if it fixed
the bug, then I will be able send a proper email for it,

Thanks,
-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com


View attachment "0001-net-mvneta-convert-to-local-interrupt.patch" of type "text/x-diff" (3141 bytes)