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-rw-r--r--drivers/phy/tegra/xusb.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 4d5b4071d..dc22b1dd2 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -1518,6 +1518,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
}
EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion);
+int tegra_xusb_padctl_get_port_number(struct phy *phy)
+{
+ struct tegra_xusb_lane *lane;
+
+ if (!phy)
+ return -ENODEV;
+
+ lane = phy_get_drvdata(phy);
+
+ return lane->index;
+}
+EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number);
+
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver");
MODULE_LICENSE("GPL v2");