diff options
| -rw-r--r-- | drivers/block/cciss.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 6da7edea700a..486f94ef24d4 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -4557,6 +4557,13 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev, pmcsr &= ~PCI_PM_CTRL_STATE_MASK; pmcsr |= PCI_D0; pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr); + + /* + * The P600 requires a small delay when changing states. + * Otherwise we may think the board did not reset and we bail. + * This for kdump only and is particular to the P600. + */ + msleep(500); } return 0; } |