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Commit 4f9f032c authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
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usb: mtu3: reset gadget when VBUS_FALL interrupt arises 



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

Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3d7678e2

drivers/usb/mtu3/mtu3_core.c

+3 −1
Original line number Diff line number Diff line
@@ -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);