LINK_SPEED_5_0GTS
if ((rcar_pci_read_reg(pcie, MACS2R) & LINK_SPEED) != LINK_SPEED_5_0GTS)
if ((macsr & LINK_SPEED) == LINK_SPEED_5_0GTS)
(macsr & LINK_SPEED) == LINK_SPEED_5_0GTS ? "5" : "2.5");