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SubjectRe: [PATCH v8 06/11] irqchip: mips-cpu: Convert to simple domain
On 2020-03-25 13:59, Jiaxun Yang wrote:

[...]

>>> So probably we can use legacy domain when MIPS IRQ BASE is in the
>>> range of legacy IRQ
>>> and switch to simple domain when it's not in that range?
>>
>> No, see below.
>>
>>> Here in Loongson systems IRQ 0-15 is occupied by I8259 so I did this
>>> hack.
>>
>> Well, if you have to consider which Linux IRQ gets assigned,
>> then your platform is definitely not ready for non-legacy
>> irqdomains. Just stick to legacy for now until you have removed
>> all the code that knows the hwirq mapping.
>
> Thanks.
>
> So I have to allocate irq_desc here in driver manually?

No, you are probably better off just dropping this patch, as MIPS
doesn't seem to be ready for a wholesale switch to virtual interrupts.

M.
--
Jazz is not dead. It just smells funny...

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