diff options
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 0cf967a2c35b..16fb86289338 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -843,12 +843,13 @@ void dw_pcie_setup_rc(struct pcie_port *pp) val |= PORT_LOGIC_LINK_WIDTH_8_LANES; break; } - dw_pcie_writel_rc(pp, val, PCIE_LINK_WIDTH_SPEED_CONTROL); - dw_pcie_rd_own_conf(pp, PCIE_LINK_WIDTH_SPEED_CONTROL, 4, &val); + /* set the Directed Speed Change field of the + Link Width and Speed Change Control register */ val |= PORT_LOGIC_SPEED_CHANGE; - dw_pcie_wr_own_conf(pp, PCIE_LINK_WIDTH_SPEED_CONTROL, 4, val); + dw_pcie_writel_rc(pp, val, PCIE_LINK_WIDTH_SPEED_CONTROL); + /* setup RC BARs */ dw_pcie_writel_rc(pp, 0x00000004, PCI_BASE_ADDRESS_0); dw_pcie_writel_rc(pp, 0x00000000, PCI_BASE_ADDRESS_1); |