From: Xiong Huang Date: Thu, 7 Mar 2013 08:55:16 +0000 (+0000) Subject: PCI: Add MSI INTX_DISABLE quirks for AR8161/AR8162/AR8171/AR8172/E210X X-Git-Tag: firefly_0821_release~3680^2~680^2~4^2~8 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=705888184276552a12475f9d9f9ee78136cd523a;p=firefly-linux-kernel-4.4.55.git PCI: Add MSI INTX_DISABLE quirks for AR8161/AR8162/AR8171/AR8172/E210X The following PCIe devices with revision lower than 0x18 have this bug: AR8161(1091)/AR8162(1090)/AR8171(10A1)/AR8172(10A0)/E210X(E091). Signed-off-by: Huang,Xiong Signed-off-by: Bjorn Helgaas Reviewed-by: Wei Yang --- diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0369fb6fc1da..4273a2d7132c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2594,6 +2594,14 @@ static void quirk_msi_intx_disable_ati_bug(struct pci_dev *dev) dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; pci_dev_put(p); } +static void quirk_msi_intx_disable_qca_bug(struct pci_dev *dev) +{ + /* AR816X/AR817X/E210X MSI is fixed at HW level from revision 0x18 */ + if (dev->revision < 0x18) { + dev_info(&dev->dev, "set MSI_INTX_DISABLE_BUG flag\n"); + dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; + } +} DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, quirk_msi_intx_disable_bug); @@ -2643,6 +2651,16 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1073, quirk_msi_intx_disable_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1083, quirk_msi_intx_disable_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1090, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1091, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x10a0, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x10a1, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0xe091, + quirk_msi_intx_disable_qca_bug); #endif /* CONFIG_PCI_MSI */ /* Allow manual resource allocation for PCI hotplug bridges