diff options
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 44c63fb6b1cf..085fde272594 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -98,7 +98,8 @@ /* PCIe Port Logic registers */ #define PLR_OFFSET 0x700 #define PCIE_PHY_DEBUG_R1 (PLR_OFFSET + 0x2c) -#define PCIE_PHY_DEBUG_R1_LINK_UP 0x00000010 +#define PCIE_PHY_DEBUG_R1_LINK_UP (0x1 << 4) +#define PCIE_PHY_DEBUG_R1_LINK_IN_TRAINING (0x1 << 29) static struct pci_ops dw_pcie_ops; @@ -491,7 +492,8 @@ int dw_pcie_link_up(struct pcie_port *pp) return pp->ops->link_up(pp); val = readl(pp->dbi_base + PCIE_PHY_DEBUG_R1); - return val & PCIE_PHY_DEBUG_R1_LINK_UP; + return ((val & PCIE_PHY_DEBUG_R1_LINK_UP) && + (!(val & PCIE_PHY_DEBUG_R1_LINK_IN_TRAINING))); } static int dw_pcie_msi_map(struct irq_domain *domain, unsigned int irq, |