Subject: commit a71b092 "ARM: Convert handle_IRQ to use __handle_domain_irq" breaks DNS-323

From: [email-masked] (Gregory CLEMENT)
Date: Fri, 14 Aug 2015 17:38:20 +0200

Hi Detlef,

On 14/08/2015 17:35, Detlef Vollmann wrote:
> Hi Gregory,
> 
> On 08/14/15 16:13, Gregory CLEMENT wrote:
>> On 14/08/2015 16:05, Detlef Vollmann wrote:
>>> Hello,
>>>
>>> this commit:
>>>   > commit a71b092a9c68685a270ebdde7b5986ba8787e575
>>>   > Author: Marc Zyngier <[email-masked]>
>>>   > Date:   Tue Aug 26 11:03:18 2014 +0100
>>>   >
>>>   >     ARM: Convert handle_IRQ to use __handle_domain_irq
>>> [...]
>>> causes the kernel not to boot anymore on my DNS-323.
>>> Soc: MV88F5182 Rev 2
>>> CPU: ARM926 (Rev 0) running @ 500Mhz
>>> CPU: Feroceon [41069260] revision 0 (ARMv5TEJ), cr=a005317f
>>> Orion ID: MV88F5182-A2. TCLK=166666667.
>>> DNS-323: Identified HW revision B1
>>>
>>> Boot stops after "Uncompressing Linux... done, booting the kernel."
>>> Reverting the commit works fine for me.
>>> Tested 4.1.2 and 4.2.0-rc6 with orion5x_defconfig.
>>
>> Could you try the following patch ?
>>
>> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/356501.html
> Thanks for the pointer.
> Yes, this patch fixes it :-)
> 
> I've also tested Arnd's patch at
> 
> http://git.kernel.org/cgit/linux/kernel/git/arnd/playground.git/commit/?h=multiplatform-4.2-next&id=44b55cab3bd74739e4c39205d41e1b2ed8953155
> 
> But at least in isolation this doesn't fix the problem.

Thanks for doing these two tests, so I will take Benjamin and also add your
Tested-by if you agree.

Gregory

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