From: Omer Khaliq Subject: [PATCH v2 1/2] PCI: quirk fixup for cavium invalid sriov link value. Date: Tue, 23 Aug 2016 16:27:14 -0700 Message-ID: <1471994835-2423-2-git-send-email-okhaliq@caviumnetworks.com> References: <1471994835-2423-1-git-send-email-okhaliq@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Omer Khaliq To: , , , , , , , , , Return-path: In-Reply-To: <1471994835-2423-1-git-send-email-okhaliq@caviumnetworks.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org List-Id: linux-crypto.vger.kernel.org From: Ananth Jasty Cavium cn88xx hardware presents an incorrect SR-IOV Function Dependency Link, add a fixup quirk for the affected devices. Acked-by: David Daney Signed-off-by: Ananth Jasty Signed-off-by: Omer Khaliq --- 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