summaryrefslogtreecommitdiff
path: root/drivers/pci/quirks.c
diff options
context:
space:
mode:
authorBjorn Helgaas <bhelgaas@google.com>2020-04-02 14:26:38 -0500
committerBjorn Helgaas <bhelgaas@google.com>2020-04-02 14:26:38 -0500
commit10e8141baa7c5585c2d1ad98397186689ccf99b3 (patch)
tree043dfcc9edab6cebd69fc44c55a1a60a8d4be141 /drivers/pci/quirks.c
parent74f0862cc9836460282b54b8350c8947cc8220b6 (diff)
parentbd641fd8303a371e789e924291086268256766b0 (diff)
Merge branch 'pci/misc'
- Move _HPX type array from stack to static data (Colin Ian King) - Avoid an ASMedia XHCI USB PME# defect; apparently it doesn't assert PME# when USB3.0 devices are hotplugged in D0 (Kai-Heng Feng) - Revert sysfs "rescan" file renames that broke an application (Kelsey Skunberg) * pci/misc: PCI: sysfs: Revert "rescan" file renames PCI: Avoid ASMedia XHCI USB PME# from D0 defect PCI/ACPI: Move pcie_to_hpx3_type[] from stack to static data
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b7347bc6a24d..3e0ca273f903 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5527,3 +5527,14 @@ out_disable:
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, 0x13b1,
PCI_CLASS_DISPLAY_VGA, 8,
quirk_reset_lenovo_thinkpad_p50_nvgpu);
+
+/*
+ * Device [1b21:2142]
+ * When in D0, PME# doesn't get asserted when plugging USB 3.0 device.
+ */
+static void pci_fixup_no_d0_pme(struct pci_dev *dev)
+{
+ pci_info(dev, "PME# does not work under D0, disabling it\n");
+ 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);