Commits
Tal Gilboa committed 9e506a7b514
PCI: Add pcie_print_link_status() to log link speed and whether it's limited Add pcie_print_link_status(). This logs the current settings of the link (speed, width, and total available bandwidth). If the device is capable of more bandwidth but is limited by a slower upstream link, we include information about the link that limits the device's performance. The user may be able to move the device to a different slot for better performance. This provides a unified method for all PCI devices to report status and issues, instead of each device reporting in a different way, using different code. Signed-off-by: Tal Gilboa <talgi@mellanox.com> [bhelgaas: changelog, reword log messages, print device capabilities when not limited, print bandwidth in Gb/s] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>