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

From: Bjorn Helgaas
Date: Mon Jul 07 2014 - 19:27:59 EST


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 <Liviu.Dudau@xxxxxxx>
> Tested-by: Tanmay Inamdar <tinamdar@xxxxxxx>
> ---
> 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
>
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