From: Ananth Jasty <Ananth.Jasty@xxxxxxxxxx>
Cavium cn88xx hardware presents an incorrect SR-IOV Function
Dependency Link, add a fixup quirk for the affected devices.
Acked-by: David Daney <david.daney@xxxxxxxxxx>
Signed-off-by: Ananth Jasty <Ananth.Jasty@xxxxxxxxxx>
Signed-off-by: Omer Khaliq <okhaliq@xxxxxxxxxxxxxxxxxx>
---
drivers/pci/quirks.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 37ff015..5980aae 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -834,6 +834,17 @@ static void quirk_amd_ioapic(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7410, quirk_amd_ioapic);
#endif /* CONFIG_X86_IO_APIC */
+#ifdef CONFIG_ARM64
+
+static void quirk_cavium_sriov_rnm_link(struct pci_dev *dev)
+{
+ /* Fix for improper SRIOV configuration on Cavium cn88xx RNM device */
+ if (dev->subsystem_device == 0xa118)
+ dev->sriov->link = dev->devfn;
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CAVIUM, 0xa018, quirk_cavium_sriov_rnm_link);
+#endif
+
/*
* Some settings of MMRBC can lead to data corruption so block changes.
* See AMD 8131 HyperTransport PCI-X Tunnel Revision Guide
--
1.9.1
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