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