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authorJoel Stanley <joel@jms.id.au>2020-08-10 07:07:46 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-10 07:07:49 +0300
commit4789fd48a313d36fe6b8fc1da5e0788f5ea074cb (patch)
tree2c8c27b52f0e38abb7416ce81b04c3b85511b694 /drivers/pci/quirks.c
parent8a9b346382056b52cd7ff141ae9f15a0fcfeb13d (diff)
parentd9939285fc818425ae92bd99f8c97b6b9ef3bb88 (diff)
downloadlinux-dev-5.4.tar.xz
Merge tag 'v5.4.57' into dev-5.4dev-5.4
This is the 5.4.57 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index a1ec8a1977d3..4ac4b28e0ebb 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2330,6 +2330,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f1, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10f4, quirk_disable_aspm_l0s);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1508, quirk_disable_aspm_l0s);
+static void quirk_disable_aspm_l0s_l1(struct pci_dev *dev)
+{
+ pci_info(dev, "Disabling ASPM L0s/L1\n");
+ pci_disable_link_state(dev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
+}
+
+/*
+ * ASM1083/1085 PCIe-PCI bridge devices cause AER timeout errors on the
+ * upstream PCIe root port when ASPM is enabled. At least L0s mode is affected;
+ * disable both L0s and L1 for now to be safe.
+ */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080, quirk_disable_aspm_l0s_l1);
+
/*
* Some Pericom PCIe-to-PCI bridges in reverse mode need the PCIe Retrain
* Link bit cleared after starting the link retrain process to allow this