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Commit 21b5b8ee authored by Ananth Jasty's avatar Ananth Jasty Committed by Herbert Xu
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PCI: quirk fixup for cavium invalid sriov link value. 



Cavium cn88xx hardware presents an incorrect SR-IOV Function
Dependency Link, add a fixup quirk for the affected devices.

Acked-by: default avatarDavid Daney <david.daney@cavium.com>
Signed-off-by: default avatarAnanth Jasty <Ananth.Jasty@cavium.com>
Signed-off-by: default avatarOmer Khaliq <okhaliq@caviumnetworks.com>
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 16d56963

drivers/pci/quirks.c

+11 −0
Original line number Diff line number Diff line
@@ -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