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PCI: quirk fixup for cavium invalid sriov link value.

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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@cavium.com>
Signed-off-by: Ananth Jasty <Ananth.Jasty@cavium.com>
Signed-off-by: Omer Khaliq <okhaliq@caviumnetworks.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ananth Jasty 2016-08-23 16:27:14 -07:00 committed by Herbert Xu
parent 16d56963e8
commit 21b5b8eebb
1 changed files with 11 additions and 0 deletions
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11
drivers/pci/quirks.c
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@ -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