Subject: [PATCH v8 2/9] pci: Export find_pci_host_bridge() function.

From: [email-masked] (Bjorn Helgaas)
Date: Mon, 7 Jul 2014 17:27:49 -0600

On Tue, Jul 01, 2014 at 07:43:27PM +0100, Liviu Dudau wrote:
> This is a useful function and we should make it visible outside the
> generic PCI code. Export it as a GPL symbol.
> 
> Signed-off-by: Liviu Dudau <[email-masked]>
> Tested-by: Tanmay Inamdar <[email-masked]>
> ---
>  drivers/pci/host-bridge.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
> index 0e5f3c9..36c669e 100644
> --- a/drivers/pci/host-bridge.c
> +++ b/drivers/pci/host-bridge.c
> @@ -16,12 +16,13 @@ static struct pci_bus *find_pci_root_bus(struct pci_bus *bus)
>  	return bus;
>  }
>  
> -static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)
> +struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)
>  {
>  	struct pci_bus *root_bus = find_pci_root_bus(bus);
>  
>  	return to_pci_host_bridge(root_bus->bridge);
>  }
> +EXPORT_SYMBOL_GPL(find_pci_host_bridge);

There's nothing in this series that uses find_pci_host_bridge(), so 
how about we just wait until we have something that needs it?

Also, if/when we export this, I'd prefer a name that starts with "pci_"
as most of the other interfaces do.

>  void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
>  				 void (*release_fn)(struct pci_host_bridge *),
> -- 
> 2.0.0
>