diff options
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 1325fbae2f28..3ea15cf8203f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1482,6 +1482,9 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev, } out: + /* Clear errors in the Secondary Status Register */ + pci_write_config_word(dev, PCI_SEC_STATUS, 0xffff); + pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl); pm_runtime_put(&dev->dev); @@ -2543,6 +2546,9 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) dev->dev.dma_mask = &dev->dma_mask; dev->dev.dma_parms = &dev->dma_parms; dev->dev.coherent_dma_mask = 0xffffffffull; + lockdep_register_key(&dev->cfg_access_key); + lockdep_init_map(&dev->cfg_access_lock, dev_name(&dev->dev), + &dev->cfg_access_key, 0); dma_set_max_seg_size(&dev->dev, 65536); dma_set_seg_boundary(&dev->dev, 0xffffffff); |