Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx>
Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>
---
drivers/pci/quirks.c | 25 ++++++++++++++++++++++++-
1 files changed, 24 insertions(+), 1 deletions(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index aa5dc79..df2153c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2599,8 +2599,31 @@ static int reset_intel_generic_dev(struct pci_dev *dev, int probe)
return 0;
}
+static int reset_intel_82599_sfp_virtfn(struct pci_dev *dev, int probe)
+{
+ int pos;
+
+ pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+ if (!pos)
+ return -ENOTTY;
+
+ if (probe)
+ return 0;
+
+ pci_write_config_word(dev, pos + PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_BCR_FLR);
+ msleep(100);
+
+ return 0;
+}
+
+#define PCI_DEVICE_ID_INTEL_82599_SFP_VF 0x10ed
+
struct pci_dev_reset_methods pci_dev_reset_methods[] = {
- { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, reset_intel_generic_dev },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82599_SFP_VF,
+ reset_intel_82599_sfp_virtfn },
+ { PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
+ reset_intel_generic_dev },
{ 0 }
};
#else
--
1.6.0
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
