diff options
Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r-- | drivers/pci/pcie/aer/aerdrv.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index aa495ad9bbd4..7a711ee314b7 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c | |||
@@ -244,11 +244,17 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev) | |||
244 | 244 | ||
245 | /* Assert Secondary Bus Reset */ | 245 | /* Assert Secondary Bus Reset */ |
246 | pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl); | 246 | pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl); |
247 | p2p_ctrl |= PCI_CB_BRIDGE_CTL_CB_RESET; | 247 | p2p_ctrl |= PCI_BRIDGE_CTL_BUS_RESET; |
248 | pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); | 248 | pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); |
249 | 249 | ||
250 | /* | ||
251 | * we should send hot reset message for 2ms to allow it time to | ||
252 | * propogate to all downstream ports | ||
253 | */ | ||
254 | msleep(2); | ||
255 | |||
250 | /* De-assert Secondary Bus Reset */ | 256 | /* De-assert Secondary Bus Reset */ |
251 | p2p_ctrl &= ~PCI_CB_BRIDGE_CTL_CB_RESET; | 257 | p2p_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET; |
252 | pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); | 258 | pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); |
253 | 259 | ||
254 | /* | 260 | /* |