Re: [v9,2/7] PCI: Export pci_pio_to_address() for module use

[Lorenzo Pieralisi]

On Wed, Mar 24, 2021 at 10:09:42AM +0100, Pali Rohár wrote:
> On Wednesday 24 March 2021 11:05:05 Jianjun Wang wrote:
> > This interface will be used by PCI host drivers for PIO translation,
> > export it to support compiling those drivers as kernel modules.
> > 
> > Signed-off-by: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx>
> > ---
> >  drivers/pci/pci.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> > index 16a17215f633..12bba221c9f2 100644
> > --- a/drivers/pci/pci.c
> > +++ b/drivers/pci/pci.c
> > @@ -4052,6 +4052,7 @@ phys_addr_t pci_pio_to_address(unsigned long pio)
> >  
> >  	return address;
> >  }
> > +EXPORT_SYMBOL(pci_pio_to_address);
> 
> Hello! I'm not sure if EXPORT_SYMBOL is correct because file has GPL-2.0
> header. Should not be in this case used only EXPORT_SYMBOL_GPL? Maybe
> other people would know what is correct?

I think this should be EXPORT_SYMBOL_GPL(), I can make this change
but this requires Bjorn's ACK to go upstream (Bjorn, it is my fault,
it was assigned to me on patchwork, now updated, please have a look).

Thanks,
Lorenzo

> >  
> >  unsigned long __weak pci_address_to_pio(phys_addr_t address)
> >  {
> > -- 
> > 2.25.1
> >