[next, PATCH 5/6] usb: mtu3: reset gadget when VBUS_FALL interrupt arises

[Chunfeng Yun]

When VBUS_FALL interrupt arises, it means U3 device is disconnected
with host, so need reset status of gadget

Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com>
---
 drivers/usb/mtu3/mtu3_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 279f9cd..eecfd06 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -668,8 +668,10 @@ static irqreturn_t mtu3_u3_ltssm_isr(struct mtu3 *mtu)
        if (ltssm & (HOT_RST_INTR | WARM_RST_INTR))
                mtu3_gadget_reset(mtu);
 
-       if (ltssm & VBUS_FALL_INTR)
+       if (ltssm & VBUS_FALL_INTR) {
                mtu3_ss_func_set(mtu, false);
+               mtu3_gadget_reset(mtu);
+       }
 
        if (ltssm & VBUS_RISE_INTR)
                mtu3_ss_func_set(mtu, true);
-- 
1.9.1

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