From 509d612b2fc4b66a58f1af762ac69829ed11c0ce Mon Sep 17 00:00:00 2001 From: Yunzhi Li Date: Fri, 6 Mar 2015 15:17:10 +0800 Subject: usb: dwc2: host: fix dwc2 disconnect bug When dwc2 controller detects a disconnect interrupt, dwc2_hcd_disconnect() should be called immediately to do clean-up jobs and set port_connect_status_change flag to notify usb hub driver disconnect status. Tested-by: Vincent Palatin Acked-by: John Youn Signed-off-by: Yunzhi Li Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/core_intr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/usb') diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 02e3e2d4ea56..6cf047878dba 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -377,6 +377,9 @@ static void dwc2_handle_disconnect_intr(struct dwc2_hsotg *hsotg) dwc2_is_host_mode(hsotg) ? "Host" : "Device", dwc2_op_state_str(hsotg)); + if (hsotg->op_state == OTG_STATE_A_HOST) + dwc2_hcd_disconnect(hsotg); + /* Change to L3 (OFF) state */ hsotg->lx_state = DWC2_L3; -- cgit v1.2.1