On Fri, Dec 18, 2015 at 04:02:41PM +0100, Arnd Bergmann wrote:
> The pcie-rcar driver can be built for any ARM platform (for COMPILE_TEST)
> including those without CONFIG_OF enabled, and that results in a compile-time
> error:
>
> drivers/pci/host/pcie-rcar.c: In function
> 'rcar_pcie_parse_request_of_pci_ranges':
> drivers/pci/host/pcie-rcar.c:939:8: error: implicit declaration of function
> 'of_pci_get_host_bridge_resources' [-Werror=implicit-function-declaration]
> err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources,
> &iobase);
>
> In order to allow compile-testing on all platforms, this adds a
> of_pci_get_host_bridge_resources() helper stub function that gets
> used when CONFIG_OF_ADDRESS is disabled. This mirrors what we do for
> other OF-specific functions.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Fixes: 5d2917d469fa ("PCI: rcar: Convert to DT resource parsing API")
Acked-by: Simon Horman <horms+rene...@verge.net.au>
> diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
> index 2c51ee78b1c0..874d68f50a40 100644
> --- a/include/linux/of_pci.h
> +++ b/include/linux/of_pci.h
> @@ -59,6 +59,14 @@ static inline void of_pci_check_probe_only(void) { }
> int of_pci_get_host_bridge_resources(struct device_node *dev,
> unsigned char busno, unsigned char bus_max,
> struct list_head *resources, resource_size_t *io_base);
> +#else
> +static inline
> +int of_pci_get_host_bridge_resources(struct device_node *dev,
> + unsigned char busno, unsigned char bus_max,
> + struct list_head *resources, resource_size_t *io_base)
> +{
> + return -EINVAL;
> +}
> #endif
>
> #if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
>
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