diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci.c | 3 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 6 | ||||
| -rw-r--r-- | drivers/pci/pcie/dpc.c | 4 |
3 files changed, 8 insertions, 5 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 509f6b5c9e14..d31c21ea9688 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -167,9 +167,6 @@ static int __init pcie_port_pm_setup(char *str) } __setup("pcie_port_pm=", pcie_port_pm_setup); -/* Time to wait after a reset for device to become responsive */ -#define PCIE_RESET_READY_POLL_MS 60000 - /** * pci_bus_max_busnr - returns maximum PCI bus number of given bus' children * @bus: pointer to PCI bus structure to search diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index ce1fc3a90b3f..8f5d4bd5b410 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -70,6 +70,12 @@ struct pci_cap_saved_state *pci_find_saved_ext_cap(struct pci_dev *dev, * Reset (PCIe r6.0 sec 5.8). */ #define PCI_RESET_WAIT 1000 /* msec */ +/* + * Devices may extend the 1 sec period through Request Retry Status completions + * (PCIe r6.0 sec 2.3.1). The spec does not provide an upper limit, but 60 sec + * ought to be enough for any device to become responsive. + */ +#define PCIE_RESET_READY_POLL_MS 60000 /* msec */ void pci_update_current_state(struct pci_dev *dev, pci_power_t state); void pci_refresh_power_state(struct pci_dev *dev); diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index f5ffea17c7f8..a5d7c69b764e 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -170,8 +170,8 @@ pci_ers_result_t dpc_reset_link(struct pci_dev *pdev) pci_write_config_word(pdev, cap + PCI_EXP_DPC_STATUS, PCI_EXP_DPC_STATUS_TRIGGER); - if (!pcie_wait_for_link(pdev, true)) { - pci_info(pdev, "Data Link Layer Link Active not set in 1000 msec\n"); + if (pci_bridge_wait_for_secondary_bus(pdev, "DPC", + PCIE_RESET_READY_POLL_MS)) { clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags); ret = PCI_ERS_RESULT_DISCONNECT; } else { |