Intel I350 mini-PCIe card (igb) on Mirabox (mvebu / Armada 370)

[Neil Greatorex]

Jason,

On Tue, Mar 25, 2014 at 10:35 PM, Jason Gunthorpe
<jgunthorpe at obsidianresearch.com> wrote:
> On Tue, Mar 25, 2014 at 04:24:04PM -0600, Jason Gunthorpe wrote:
>> On Tue, Mar 25, 2014 at 10:03:29PM +0000, Neil Greatorex wrote:
>>
>> > I then replaced it with mdelay(1000) out of interest, and it succeeded
>> > in detecting the card at boot. It then proceeded exactly as described
>> > by Willy in his later e-mail (it successfully registers an MSI-X
>> > interrupt for one port, and then proceeds to implode).
>>
>> Seem to confirm not enough time after reset..
>>
>> Try this (untested) debugging patch:
>
> Sorry, it has a mistake, that is not how you detect CRS on this chip..
>
> CRS might be something the driver has to emulate as well.....
>
> This is better.. CRS will be bit 19 in the ICR
>

<patch snipped>

I ran your patch. The dmesg output is available at
https://gist.github.com/ngreatorex/9790164

I'm afraid the output doesn't mean much to me :-)

Cheers,
Neil