Re: [PATCH v4 1/6] MIPS: loongson64: Override arch_dynirq_lower_bound to reserve LPC IRQs

[Thomas Bogendoerfer]

On Thu, Mar 26, 2026 at 09:40:09PM +0000, Jiaxun Yang wrote:
> 
> 
> On Sat, 21 Mar 2026, at 9:20 AM, Icenowy Zheng wrote:
> > On some Loongson 3A devices, a LPC bus is present and some legacy
> > devices (e.g. 8259) on it expect hardcoded low interrupt numbers. However
> > currently the expected low range interrupt numbers are not exempted from
> > the dynamic allocation, which leads to confliction when registering LPC
> > interrupts in the fixed range.
> >
> > Override arch_dynirq_lower_bound() to reserve these low range interrupt
> > numbers and prevent them from being dynamically allocated.
> >
> > Signed-off-by: Icenowy Zheng <zhengxingda@xxxxxxxxxxx>
> 
> Acked-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> 
> @Thomas Bogendoerfer, do you mind picking this over MIPS tree?

https://lore.kernel.org/all/177453852024.1647592.16054697624437632741.tip-bot2@tip-bot2/

IMHO this in tip tree already

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]