pcie_get_minimum_link (9) Linux Manual Page
pcie_get_minimum_link – determine minimum link settings of a PCI device
Synopsis
int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed, enum pcie_link_width *width);Arguments
dev
-
- PCI device to query
speed
- storage for minimum speed
width
- storage for minimum width
Description
This function will walk up the PCI device chain and determine the minimum link width and speed of the device.