Re: [PATCH v11 1/7] ACPI: Allow CONFIG_PCI to be unset for reboot

[Christoph Hellwig]

> +#ifdef CONFIG_PCI
> +		unsigned int devfn;
> +		struct pci_bus *bus0;
> +
>  		/* The reset register can only live on bus 0. */
>  		bus0 = pci_find_bus(0, 0);
>  		if (!bus0)
> @@ -44,8 +47,9 @@ void acpi_reboot(void)
>  		/* Write the value that resets us. */
>  		pci_bus_write_config_byte(bus0, devfn,
>  				(rr->address & 0xffff), reset_value);
> +#endif

This would be a lot cleaner if this was split into a little helper
function.