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[2/3] PCI: Set pdev->no_msi=1 for HiSilicon Hip06/Hip07 host controllers

Message ID 1484202504-96686-3-git-send-email-liudongdong3@huawei.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Dongdong Liu Jan. 12, 2017, 6:28 a.m. UTC 
The PCIe root port in Hip06/Hip07 SoCs does not support MSI/MSI-X,
it can only transfer MSI/MSI-X from EP, so we add the quirk to
set root port pdev->no_msi = 1.

Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
Reviewed-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
---
 drivers/pci/quirks.c    | 1 +
 include/linux/pci_ids.h | 3 +++
 2 files changed, 4 insertions(+)
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Patch

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 1800bef..20cbdae 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1634,6 +1634,7 @@  static void quirk_pcie_mch(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7520_MCH,	quirk_pcie_mch);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7320_MCH,	quirk_pcie_mch);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7525_MCH,	quirk_pcie_mch);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI,	PCI_DEVICE_ID_HISILICON_1610,	quirk_pcie_mch);
 
 
 /*
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 73dda0e..9cc4720 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -3054,4 +3054,7 @@ 
 
 #define PCI_VENDOR_ID_OCZ		0x1b85
 
+#define PCI_VENDOR_ID_HUAWEI         	0x19e5
+#define PCI_DEVICE_ID_HISILICON_1610 	0x1610
+
 #endif /* _LINUX_PCI_IDS_H */