diff mbox

[3/3] PCI: add Intel 82599 Virtual Function specific reset method.

Message ID 1257499497-9186-3-git-send-email-dexuan.cui@intel.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Dexuan Cui Nov. 6, 2009, 9:24 a.m. UTC
None
diff mbox

Patch

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