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

Bjorn Helgaas
2022-02-04T21:49:06Z

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 ;)

> [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>

> ---
> 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
>