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Merge branch 'pci/pm'

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- Check .bridge_d3() hook for NULL before calling it (Bjorn Helgaas)

  - Disable PME# for Pericom OHCI/UHCI USB controllers because it's
    not reliably asserted on USB hotplug (Kai-Heng Feng)

  - Assume ports without DLL Link Active train links in 100 ms to work
    around Thunderbolt bridge defects (Mika Westerberg)

* pci/pm:
  PCI/PM: Assume ports without DLL Link Active train links in 100 ms
  PCI/PM: Adjust pcie_wait_for_link_delay() for caller delay
  PCI: Avoid Pericom USB controller OHCI/EHCI PME# defect
  serial: 8250_pci: Move Pericom IDs to pci_ids.h
  PCI/PM: Call .bridge_d3() hook only if non-NULL
This commit is contained in:
Bjorn Helgaas
2020-06-04 12:59:12 -05:00
parent ff33cc2fc0 ec411e02b7
commit ae7322a06d
4 changed files with 45 additions and 18 deletions
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13
drivers/pci/quirks.c
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@@ -5567,3 +5567,16 @@ static void pci_fixup_no_d0_pme(struct pci_dev *dev)
dev->pme_support &= ~(PCI_PM_CAP_PME_D0 >> PCI_PM_CAP_PME_SHIFT);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x2142, pci_fixup_no_d0_pme);
/*
* Device [12d8:0x400e] and [12d8:0x400f]
* These devices advertise PME# support in all power states but don't
* reliably assert it.
*/
static void pci_fixup_no_pme(struct pci_dev *dev)
{
pci_info(dev, "PME# is unreliable, disabling it\n");
dev->pme_support = 0;
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_PERICOM, 0x400e, pci_fixup_no_pme);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_PERICOM, 0x400f, pci_fixup_no_pme);