Re: [PATCH v3 2/4] PCI: Add check for CXL Secondary Bus Reset

[Lukas Wunner <lukas@wunner.de>]

On Tue, Apr 02, 2024 at 04:45:30PM -0700, Dave Jiang wrote:
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -4927,10 +4927,55 @@ static int pci_dev_reset_slot_function(struct pci_dev *dev, bool probe)
>  	return pci_reset_hotplug_slot(dev->slot->hotplug, probe);
>  }
>  
> +static int cxl_port_dvsec(struct pci_dev *dev)
> +{
> +	return pci_find_dvsec_capability(dev, PCI_VENDOR_ID_CXL,
> +					 PCI_DVSEC_CXL_PORT);
> +}

Hm, seems a bit odd that this returns an int even though
pci_find_dvsec_capability() returns a u16 and all the callers
of cxl_port_dvsec() seem to assign the return value to a u16
as well.  Is the "int" on purpose?

Thanks,

Lukas