Failed to boot ARM64 boards for recent linux-next

[Marc Zyngier]

Hi John,

On 20/03/18 15:52, John Garry wrote:
> On 20/03/2018 13:34, Marc Zyngier wrote:
>> On 20/03/18 10:13, JeffyChen wrote:
>>> Hi Shawn,
>>>
>>> On 03/20/2018 05:39 PM, Shawn Lin wrote:
>>>>
>>>>
>>>> Also another patch warns a lot when booting the kernel. Is there
>>>> anything else I could do to let it go? Seems I am using broken
>>>> dts for requesting IRQ_TYPE_NONE there?
>>>
>>> could be:
>>> https://github.com/torvalds/linux/blob/master/drivers/irqchip/irq-gic-v3.c#L1145
>>>
>>> 		struct irq_fwspec ppi_fwspec = {
>>> 			.fwnode		= gic_data.fwnode,
>>> 			.param_count	= 3,
>>> 			.param		= {
>>> 				[0]	= 1,
>>> 				[1]	= i,
>>> 				[2]	= IRQ_TYPE_NONE, <--
>>> 			},
>>> 		};
>>>
>>> 		irq = irq_create_fwspec_mapping(&ppi_fwspec);
>>
>> Probably is. Caught at my own game, fun! ;-)
>>
>> Turning that NONE into LEVEL will work, as there is no known PPIs
>> configured as edge (specially in a partitioned system), but the general
>> case isn't pretty. I'll queue a workaround for now, and will look at
>> addressing the more general issue.
>>
> 
> JFYI, reverting the original patch mentioned by Shawn resolved the boot 
> hang I was seeing on my Huawei D03. My D05 was fine without the revert.

I guess your D05 doesn't set SCR_EL3.FIQ, meaning that no Group-0
interrupts can reach the firmware. Hopefully it doesn't need them.

Would you mind testing the last patch I posted earlier today[1]?

Thanks,

	M.

[1] https://www.spinics.net/lists/arm-kernel/msg642440.html
-- 
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