linux-kernel - Re: [PATCH] irqchip: Make irqchip_init() usable on pure ACPI systems

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Date:   Tue, 27 Sep 2022 20:32:11 +0800
From:   Huacai Chen <chenhuacai@...il.com>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Thomas Gleixner <tglx@...utronix.de>,
        loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: Re: [PATCH] irqchip: Make irqchip_init() usable on pure ACPI systems

On Tue, Sep 27, 2022 at 7:37 PM Marc Zyngier <maz@...nel.org> wrote:
>
> On Tue, 27 Sep 2022 03:51:04 -0400,
> "Arnd Bergmann" <arnd@...db.de> wrote:
> >
> > On Tue, Sep 27, 2022, at 6:55 AM, Huacai Chen wrote:
> >
> > > @@ -28,7 +28,9 @@ extern struct of_device_id __irqchip_of_table[];
> > >
> > >  void __init irqchip_init(void)
> > >  {
> > > +#ifdef CONFIG_OF_IRQ
> > >     of_irq_init(__irqchip_of_table);
> > > +#endif
> > >     acpi_probe_device_table(irqchip);
> > >  }
> >
> > I think that #ifdef should be in the include/linux/of_irq.h
> > header, with an empty inline function in the #else path.
>
> Agreed. Please keep the C code free of #ifdefs if at all possible.
OK, I will send V2 for that.

Huacai
>
> Thanks,
>
>         M.
>
> --
> Without deviation from the norm, progress is not possible.
>