Re: [PATCH v2 1/2] irqchip/ls-extirq: convert to a platform driver

[Alexander Stein <alexander.stein@ew.tq-group.com>]

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Hi,

thanks for bringing this to me.

Am Freitag, 12. Dezember 2025, 02:24:19 CET schrieb Thomas Gleixner:
> On Fri, Dec 05 2025 at 17:57, Ioana Ciornei wrote:
> > Since there is no need for ls-extirq to be initialized early, convert it
> > to a proper platform driver. Instead of using IRQCHIP_DECLARE, add an
> > of_device_id array with the same compatible strings as before. Also
> > change the prototype and name of the probe function and adjust it to a
> > platform_device structure.
> >
> > With this change we also have the added advantage of avoiding the
> > irqchip_init() -> of_irq_init() code path which imposes dt checks that
> > the ls-extirq does not comply with because of its improper use of the
> > interrupt-map property.
> >
> > Fixes: 1b1f04d8271e ("of/irq: Ignore interrupt parent for nodes without interrupts")
> 
> I'm not seeing how that Fixes tag is related. Your changelog clearly
> lacks a proper explanation.
> 
> Aside of that there is this series:
> 
>       https://lore.kernel.org/20251201105144.539450-1-alexander.stein@ew.tq-group.com
> 
> which is way more complete and cleans up the thing nicely instead of
> just converting it to a platform driver with minimal effort.

There is still one open question: How to deal with the scfg/isc nodes?
Use patch 2/2 of this series to make them additional pm-busses or move the
ls-ext-irq nodes outside of it?

Best regards,
Alexander
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