Re: [PATCH v6 5/5] virt: vmgenid: add support for devicetree bindings

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Hi Sudan & especially Krzysztof,

On Wed, Apr 17, 2024 at 12:43 PM Babis Chalios <bchalios@xxxxxxxxx> wrote:
>  struct vmgenid_state {
>         u8 *next_id;
>         u8 this_id[VMGENID_SIZE];
> +       int irq;

This is only ever used inside of one function. Why not just keep it on
the stack?

>  };
>
>  static void vmgenid_notify(struct device *device)
> @@ -43,6 +45,14 @@ vmgenid_acpi_handler(acpi_handle __always_unused handle,
>         vmgenid_notify(dev);
>  }
>
> +static irqreturn_t
> +vmgenid_of_irq_handler(int __always_unused irq, void *dev)
> +{
> +       vmgenid_notify(dev);
> +
> +       return IRQ_HANDLED;
> +}

Is there a reason the of code isn't conditional on CONFIG_OF? I'm not
super familiar with these drivers, but this seems like it would be a
thing to do, and then we could do `depends on OF || ACPI` in the
Kconfig.

After the whole Babis authorship debacle, I'm just fixing various
things up in my own tree and I'll send out a v+1. But Krzysztof, I
would really appreciate your review of this before I apply it to
random-next.

Jason





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