Re: [PATCH V6 02/10] PCI: Replace magic constant for PCI Sig Vendor ID

Ira Weiny
2022-03-15T21:49:01Z

On Fri, Feb 04, 2022 at 03:49:02PM -0600, Bjorn Helgaas wrote:
> On Mon, Jan 31, 2022 at 11:19:44PM -0800, ira.weiny@intel.com wrote:
> > From: Ira Weiny <ira.weiny@intel.com>
> >
> > Based on Bjorn's suggestion[1], now that the PCI Sig Vendor ID is
> > defined the define should be used in pci_bus_crs_vendor_id() rather than
> > the hard coded magic value.
> >
> > Replace the magic value in pci_bus_crs_vendor_id() with
> > PCI_VENDOR_ID_PCI_SIG.
>
> This sentence is plenty; no attribution or link needed. I appreciate
> the acknowledgement, but replacing a magic value isn't a better idea
> simply because *I* suggested it ;)

Done.

>
> > [1] https://lore.kernel.org/linux-cxl/20211117215044.GA1777828@bhelgaas/
> >
> > Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
> > Signed-off-by: Ira Weiny <ira.weiny@intel.com>
>
> Acked-by: Bjorn Helgaas <bhelgaas@google.com>

Thanks,
Ira

>
> > ---
> > drivers/pci/probe.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
> > index 087d3658f75c..d92dbb136fc9 100644
> > --- a/drivers/pci/probe.c
> > +++ b/drivers/pci/probe.c
> > @@ -2318,7 +2318,7 @@ EXPORT_SYMBOL(pci_alloc_dev);
> >
> > static bool pci_bus_crs_vendor_id(u32 l)
> > {
> > - return (l & 0xffff) == 0x0001;
> > + return (l & 0xffff) == PCI_VENDOR_ID_PCI_SIG;
> > }
> >
> > static bool pci_bus_wait_crs(struct pci_bus *bus, int devfn, u32 *l,
> > --
> > 2.31.1
> >