Re: [PATCH V14 03/15] ACPI: irq: Allow acpi_gsi_to_irq() to have an arch-specific fallback

Marc Zyngier
2022-07-07T10:14:55Z

On Sun, 03 Jul 2022 09:45:20 +0100,
Jianmin Lv <lvjianmin@loongson.cn> wrote:
>
> From: Marc Zyngier <maz@kernel.org>
>
> It appears that the generic version of acpi_gsi_to_irq() doesn't
> fallback to establishing a mapping if there is no pre-existing
> one while the x86 version does.
>
> While arm64 seems unaffected by it, LoongArch is relying on the x86
> behaviour. In an effort to prevent new architectures from reinventing
> the proverbial wheel, provide an optional callback that the arch code
> can set to restore the x86 behaviour.
>
> Hopefully we can eventually get rid of this in the future once
> the expected behaviour has been clarified.
>
> Reported-by: Jianmin Lv <lvjianmin@loongson.cn>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>

Same thing about this patch. It is your duty to collect the tags when
you repost a series.

Thanks,

M.

--
Without deviation from the norm, progress is not possible.