From: Stanislav Spassov <stanspas@xxxxxxxxx> Both specifications that document mechanisms for overriding the D3hot->D0 waiting time only speak of this specific direction. Nothing is mentioned about the opposite (D*->D3hot) except for the default value of 10ms in PCI Express Base Specification r5.0 (May 22, 2019), Section 5.9 "State Transition Recovery Time Requirements". Signed-off-by: Stanislav Spassov <stanspas@xxxxxxxxx> --- drivers/pci/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index c1a866f733e9..03103bb15b42 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4589,7 +4589,7 @@ static int pci_pm_reset(struct pci_dev *dev, int probe) csr &= ~PCI_PM_CTRL_STATE_MASK; csr |= PCI_D3hot; pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); - pci_dev_d3_sleep(dev); + msleep(PCI_PM_D3_WAIT); csr &= ~PCI_PM_CTRL_STATE_MASK; csr |= PCI_D0; -- 2.25.1 Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879
