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authorYunzhi Li <lyz@rock-chips.com>2015-03-06 10:17:10 +0300
committerFelipe Balbi <balbi@ti.com>2015-03-10 23:48:29 +0300
commit509d612b2fc4b66a58f1af762ac69829ed11c0ce (patch)
tree272a78b9a259181ba9ddc0f69e4ecb7f67368d47 /drivers/usb/dwc2
parent1998adab1c188076eaf356a8ae28217856f0ee92 (diff)
downloadlinux-509d612b2fc4b66a58f1af762ac69829ed11c0ce.tar.xz
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 <vpalatin@chromium.org> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Yunzhi Li <lyz@rock-chips.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/core_intr.c3
1 files changed, 3 insertions, 0 deletions
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;