---

yaml
---
r: 235445
b: refs/heads/master
c: c6cc27c
h: refs/heads/master
i:
  235443: 8693f27
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b320937972d456db2a46fdcbc6bebc4dcdc9daa4
+refs/heads/master: c6cc27c782e3a64cced0fcf1d6f492c8d8881c76

trunk/drivers/usb/host/xhci.c

@@ -98,11 +98,15 @@ void xhci_quiesce(struct xhci_hcd *xhci)
  */
 int xhci_halt(struct xhci_hcd *xhci)
 {
+	int ret;
 	xhci_dbg(xhci, "// Halt the HC\n");
 	xhci_quiesce(xhci);
 
-	return handshake(xhci, &xhci->op_regs->status,
+	ret = handshake(xhci, &xhci->op_regs->status,
 			STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC);
+	if (!ret)
+		xhci->xhc_state |= XHCI_STATE_HALTED;
+	return ret;
 }
 
 /*
@@ -129,6 +133,8 @@ int xhci_start(struct xhci_hcd *xhci)
 		xhci_err(xhci, "Host took too long to start, "
 				"waited %u microseconds.\n",
 				XHCI_MAX_HALT_USEC);
+	if (!ret)
+		xhci->xhc_state &= ~XHCI_STATE_HALTED;
 	return ret;
 }
 
@@ -1212,7 +1218,7 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 	if (ret || !urb->hcpriv)
 		goto done;
 	temp = xhci_readl(xhci, &xhci->op_regs->status);
-	if (temp == 0xffffffff) {
+	if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_HALTED)) {
 		xhci_dbg(xhci, "HW died, freeing TD.\n");
 		urb_priv = urb->hcpriv;
 

trunk/drivers/usb/host/xhci.h

@@ -1260,6 +1260,7 @@ struct xhci_hcd {
  * There are no reports of xHCI host controllers that display this issue.
  */
 #define XHCI_STATE_DYING	(1 << 0)
+#define XHCI_STATE_HALTED	(1 << 1)
 	/* Statistics */
 	int			error_bitmask;
 	unsigned int		quirks;