[PATCH 3/6] usb: chipidea: Check usb_phy exists before using it

[Manish Narani]

usb_phy and usb_phy->set_vbus may not be present all the times
based on PHY driver used. So check for it.

Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx>
---
 drivers/usb/chipidea/otg_fsm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index 2f7f94d..5f8f5d2 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -472,7 +472,8 @@ static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on)
 			}
 		}
 
-		if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL)
+		if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL &&
+		    ci->usb_phy && ci->usb_phy->set_vbus)
 			ci->usb_phy->set_vbus(ci->usb_phy, 1);
 
 		/* Disable data pulse irq */
@@ -484,7 +485,8 @@ static void ci_otg_drv_vbus(struct otg_fsm *fsm, int on)
 		if (ci->platdata->reg_vbus)
 			regulator_disable(ci->platdata->reg_vbus);
 
-		if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL)
+		if (ci->platdata->flags & CI_HDRC_PHY_VBUS_CONTROL &&
+		    ci->usb_phy && ci->usb_phy->set_vbus)
 			ci->usb_phy->set_vbus(ci->usb_phy, 0);
 
 		fsm->a_bus_drop = 1;
-- 
2.1.1