linux-kernel - Re: [v1] PCI: Export pci_pio_to

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Message-ID: <1606967298.14736.67.camel@mhfsdcap03>
Date:   Thu, 3 Dec 2020 11:48:18 +0800
From:   Jianjun Wang <jianjun.wang@...iatek.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <youlin.pei@...iatek.com>,
        Sj Huang <sj.huang@...iatek.com>
Subject: Re: [v1] PCI: Export pci_pio_to_address() for module use

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@...iatek.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
> >