diff options
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 509421a7e501..f41128f91ca7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2602,6 +2602,15 @@ void pcie_report_downtraining(struct pci_dev *dev) __pcie_print_link_status(dev, false); } +static void pci_imm_ready_init(struct pci_dev *dev) +{ + u16 status; + + pci_read_config_word(dev, PCI_STATUS, &status); + if (status & PCI_STATUS_IMM_READY) + dev->imm_ready = 1; +} + static void pci_init_capabilities(struct pci_dev *dev) { pci_ea_init(dev); /* Enhanced Allocation */ @@ -2611,6 +2620,7 @@ static void pci_init_capabilities(struct pci_dev *dev) /* Buffers for saving PCIe and PCI-X capabilities */ pci_allocate_cap_save_buffers(dev); + pci_imm_ready_init(dev); /* Immediate Readiness */ pci_pm_init(dev); /* Power Management */ pci_vpd_init(dev); /* Vital Product Data */ pci_configure_ari(dev); /* Alternative Routing-ID Forwarding */ |