Re: [PATCH v3 2/6] irqchip: sifive-plic: Add struct plic_hw for global PLIC HW details

[Christoph Hellwig]

> +struct plic_hw {
> +	u32			nr_irqs;
> +	u32			nr_handlers;
> +	u32			nr_mapped;
> +	void __iomem		*regs;
> +	struct irq_domain	*irqdomain;
> +};
> +
> +static struct plic_hw plic;

Please use local variables instead of a single instance struct.
And only add these variables in the patches where you actually need
them.