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

[Tanmay Inamdar]

Hi,

On Tue, Jul 1, 2014 at 11:43 AM, Liviu Dudau <Liviu.Dudau@xxxxxxx> 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);

Is there any specific reason behind making this symbol GPL? I think
the other functions in this file are just EXPORT_SYMBOL. Ultimately
companies which have non gpl Linux modules (nvidia) will face issue
using this API.

The same applies to 'of_create_pci_host_bridge'.
>
>  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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