diff options
| -rw-r--r-- | drivers/pci/pci.c | 2 | ||||
| -rw-r--r-- | drivers/pci/pci.h | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index c4a26532a447..d69578ad44a0 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1065,7 +1065,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) if (state == PCI_D3hot || dev->current_state == PCI_D3hot) pci_dev_d3_sleep(dev); else if (state == PCI_D2 || dev->current_state == PCI_D2) - msleep(PCI_PM_D2_DELAY); + udelay(PCI_PM_D2_DELAY); pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index f0a9cbe01bc7..f86cae9aa1f4 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -43,9 +43,9 @@ int pci_probe_reset_function(struct pci_dev *dev); int pci_bridge_secondary_bus_reset(struct pci_dev *dev); int pci_bus_error_reset(struct pci_dev *dev); -#define PCI_PM_D2_DELAY 200 -#define PCI_PM_D3HOT_WAIT 10 -#define PCI_PM_D3COLD_WAIT 100 +#define PCI_PM_D2_DELAY 200 /* usec; see PCIe r4.0, sec 5.9.1 */ +#define PCI_PM_D3HOT_WAIT 10 /* msec */ +#define PCI_PM_D3COLD_WAIT 100 /* msec */ /** * struct pci_platform_pm_ops - Firmware PM callbacks |