[PATCH 5/6] phy: qcom-usb-hs: Fix unbalanced notifier registration

[Loic Poulain]

Phy power on/off cycle can happen several times during device life.
We then need to balance the extcon notifier registration accordingly.

Fixes: f0b5c2c96370 ("phy: qcom-usb-hs: Replace the extcon API")
Signed-off-by: Loic Poulain <loic.poul...@linaro.org>
---
 drivers/phy/qualcomm/phy-qcom-usb-hs.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-usb-hs.c 
b/drivers/phy/qualcomm/phy-qcom-usb-hs.c
index 2d0c70b..92e9d94 100644
--- a/drivers/phy/qualcomm/phy-qcom-usb-hs.c
+++ b/drivers/phy/qualcomm/phy-qcom-usb-hs.c
@@ -181,6 +181,12 @@ static int qcom_usb_hs_phy_power_off(struct phy *phy)
 {
        struct qcom_usb_hs_phy *uphy = phy_get_drvdata(phy);
 
+       if (uphy->vbus_edev) {
+               devm_extcon_unregister_notifier(&uphy->ulpi->dev,
+                                               uphy->vbus_edev, EXTCON_USB,
+                                               &uphy->vbus_notify);
+       }
+
        regulator_disable(uphy->v3p3);
        regulator_disable(uphy->v1p8);
        clk_disable_unprepare(uphy->sleep_clk);
-- 
2.7.4