diff options
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.c | 5 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 1 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index e957a726be85..90dc1674aae5 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -559,6 +559,9 @@ void dw_pcie_setup(struct dw_pcie *pci) dev_dbg(pci->dev, "iATU unroll: %s\n", pci->iatu_unroll_enabled ? "enabled" : "disabled"); + val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); + val &= ~PORT_LINK_FAST_LINK_MODE; + dw_pcie_writel_dbi(pci, PCIE_PORT_LINK_CONTROL, val); of_property_read_u32(np, "num-lanes", &pci->num_lanes); if (!pci->num_lanes) { @@ -567,7 +570,7 @@ void dw_pcie_setup(struct dw_pcie *pci) } /* Set the number of lanes */ - val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); + val &= ~PORT_LINK_FAST_LINK_MODE; val &= ~PORT_LINK_MODE_MASK; switch (pci->num_lanes) { case 1: diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 6d3bec33de98..66815581b498 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -36,6 +36,7 @@ #define PCIE_PORT_LINK_CONTROL 0x710 #define PORT_LINK_DLL_LINK_EN BIT(5) +#define PORT_LINK_FAST_LINK_MODE BIT(7) #define PORT_LINK_MODE_MASK GENMASK(21, 16) #define PORT_LINK_MODE(n) FIELD_PREP(PORT_LINK_MODE_MASK, n) #define PORT_LINK_MODE_1_LANES PORT_LINK_MODE(0x1) |