[PATCH] ARM: mvebu: Add gpio button to Mirabox board

[Ryan Press]

On Fri, Mar 29, 2013 at 9:50 AM, Ezequiel Garcia
<ezequiel.garcia at free-electrons.com> wrote:
> On Thu, Mar 28, 2013 at 09:13:48PM -0700, Ryan Press wrote:
>> On Wed, Mar 27, 2013 at 8:38 PM, Ezequiel Garcia
>> <ezequiel.garcia at free-electrons.com> wrote:
>> > On Wed, Mar 27, 2013 at 05:42:36PM -0700, Ryan Press wrote:
>> >> Ezequiel Garcia wrote:
>> >> >
>> >> >The Globalscale Mirabox board has a little gpio button
>> >> >placed just above the SD card slot; the board user guide labels
>> >> >this button as "System reset button".
>> >> >
>> >> >This patch adds support for this button in the device tree file.
>> >> I was not able to get this to work, I think there is
>> >> some IRQ problem.  I was able to get it to work with
>> >> "gpio-keys-polled" however.
>> >>
>> >
>> > Could you explain what you did and what was your problem?
>>
>> Just to be on the same page, I pulled the latest 3-9-rc4, with no
>> other changes, and then added your patch.  Does this rely on a patch?
>> No interrupt events are shown in /proc/interrupts.  I have a lot more
>> things running than your box, maybe there is a conflict.
>>
>
> Try disabling SMP in your config.

Yes, that worked, thanks!  I used mvebu_defconfig initially, and this
has CONFIG_SMP.  That's more for the Armada-XP I guess as for the
Armada-370 it's not needed.

So I guess that means that there's something wrong with the GPIO IRQs
with SMP.  Anyway it doesn't matter for the 370.

Thanks,
Ryan