[v1] PCI: Export pci_pio_to_address() for module use
Jianjun Wang
jianjun.wang at mediatek.com
Wed Dec 2 22:48:18 EST 2020
On Wed, 2020-12-02 at 07:49 -0600, Bjorn Helgaas wrote:
> On Wed, Dec 02, 2020 at 09:12:55PM +0800, 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 at mediatek.com>
>
> Please include this in a series that adds a modular host driver or
> converts an existing one to be modular. That way we know we have at
> least one user and things get merged in the right order.
Hi Bjorn,
OK, I will include this patch in the next version of pcie-mediatek-gen3
series.
thanks.
>
> > ---
> > drivers/pci/pci.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> > index a458c46d7e39..509008899182 100644
> > --- a/drivers/pci/pci.c
> > +++ b/drivers/pci/pci.c
> > @@ -4003,6 +4003,7 @@ phys_addr_t pci_pio_to_address(unsigned long pio)
> >
> > return address;
> > }
> > +EXPORT_SYMBOL(pci_pio_to_address);
> >
> > unsigned long __weak pci_address_to_pio(phys_addr_t address)
> > {
> > --
> > 2.25.1
> >
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