diff options
Diffstat (limited to 'kernel/drivers/pci/pcie/aer/aerdrv_core.c')
| -rw-r--r-- | kernel/drivers/pci/pcie/aer/aerdrv_core.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/kernel/drivers/pci/pcie/aer/aerdrv_core.c b/kernel/drivers/pci/pcie/aer/aerdrv_core.c index 5653ea945..4e14de0f0 100644 --- a/kernel/drivers/pci/pcie/aer/aerdrv_core.c +++ b/kernel/drivers/pci/pcie/aer/aerdrv_core.c @@ -74,6 +74,34 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status); +int pci_cleanup_aer_error_status_regs(struct pci_dev *dev) +{ + int pos; + u32 status; + int port_type; + + if (!pci_is_pcie(dev)) + return -ENODEV; + + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); + if (!pos) + return -EIO; + + port_type = pci_pcie_type(dev); + if (port_type == PCI_EXP_TYPE_ROOT_PORT) { + pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &status); + pci_write_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, status); + } + + pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS, &status); + pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS, status); + + pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status); + pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, status); + + return 0; +} + /** * add_error_device - list device to be handled * @e_info: pointer to error info @@ -425,8 +453,7 @@ static pci_ers_result_t reset_link(struct pci_dev *dev) if (driver && driver->reset_link) { status = driver->reset_link(udev); - } else if (pci_pcie_type(udev) == PCI_EXP_TYPE_DOWNSTREAM || - pci_pcie_type(udev) == PCI_EXP_TYPE_ROOT_PORT) { + } else if (udev->has_secondary_link) { status = default_reset_link(udev); } else { dev_printk(KERN_DEBUG, &dev->dev, @@ -784,8 +811,6 @@ void aer_isr(struct work_struct *work) while (get_e_source(rpc, &e_src)) aer_isr_one_error(p_device, &e_src); mutex_unlock(&rpc->rpc_mutex); - - wake_up(&rpc->wait_release); } /** |