diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/host/pcie-rockchip.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index b4dfe3bd15c3..a7467212ea18 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -601,6 +601,11 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) status |= PCI_EXP_LNKCTL_CCC; rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS); + /* Set RC's RCB to 128 */ + status = rockchip_pcie_read(rockchip, PCIE_RC_CONFIG_LCS); + status |= PCI_EXP_LNKCTL_RCB; + rockchip_pcie_write(rockchip, status, PCIE_RC_CONFIG_LCS); + /* Enable Gen1 training */ rockchip_pcie_write(rockchip, PCIE_CLIENT_LINK_TRAIN_ENABLE, PCIE_CLIENT_CONFIG); |