Subject: [PATCH v5 1/7] pci: Introduce pci_register_io_range() helper function.

From: [email-masked] (Arnd Bergmann)
Date: Tue, 4 Mar 2014 23:30:09 +0100

On Tuesday 04 March 2014, Liviu Dudau wrote:
> +int __weak pci_register_io_range(phys_addr_t addr, resource_size_t size)
> +{
> +       return 0;
> +}
> +

How about returning an error here? You don't actually register the range.

	Arnd