linux-kernel - Re: [PATCH v8 4/8] PCI/portdrv: Create pcie_is_port

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Date:   Thu, 11 Nov 2021 16:53:08 -0600
From:   Rob Herring <robh@...nel.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Jim Quinlan <jim2101024@...il.com>,
        PCI <linux-pci@...r.kernel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Jim Quinlan <james.quinlan@...adcom.com>,
        Sean V Kelley <sean.v.kelley@...el.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
        Keith Busch <kbusch@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 4/8] PCI/portdrv: Create pcie_is_port_dev() func from
 existing code

On Thu, Nov 11, 2021 at 3:51 PM Florian Fainelli <f.fainelli@...il.com> wrote:
>
> On 11/10/21 2:14 PM, Jim Quinlan wrote:
> > The function will be needed elsewhere in a few commits.
> >
> > Signed-off-by: Jim Quinlan <jim2101024@...il.com>
> > ---
> >  drivers/pci/pci.h              |  2 ++
> >  drivers/pci/pcie/portdrv_pci.c | 23 ++++++++++++++++++-----
> >  2 files changed, 20 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> > index 1cce56c2aea0..c2bd1995d3a9 100644
> > --- a/drivers/pci/pci.h
> > +++ b/drivers/pci/pci.h
> > @@ -744,4 +744,6 @@ extern const struct attribute_group aspm_ctrl_attr_group;
> >
> >  extern const struct attribute_group pci_dev_reset_method_attr_group;
> >
> > +bool pcie_is_port_dev(struct pci_dev *dev);
>
> Looks like you need an inline stub here when CONFIG_PCIEPORTBUS is
> disabled to avoid the linking failure reported by the kbuild robot:

Probably always an inline function. It has nothing to do with the
driver, so portdrv_pci.c is not the right place.

Rob