Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 216a9df6 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
Browse files

Merge "usb: xhci: Reduce command abort handshake timeout"

parents 4cf691d2 9096efd4
Loading
Loading
Loading
Loading
+3 −3
Original line number Diff line number Diff line
@@ -351,13 +351,13 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
			&xhci->op_regs->cmd_ring);

	/* Section 4.6.1.2 of xHCI 1.0 spec says software should also time the
	 * completion of the Command Abort operation. If CRR is not negated in 5
	 * seconds then driver handles it as if host died (-ENODEV).
	 * completion of the Command Abort operation. If CRR is not negated in a
	 * timely manner then driver handles it as if host died (-ENODEV).
	 * In the future we should distinguish between -ENODEV and -ETIMEDOUT
	 * and try to recover a -ETIMEDOUT with a host controller reset.
	 */
	ret = xhci_handshake(&xhci->op_regs->cmd_ring,
			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
			CMD_RING_RUNNING, 0, 1000 * 1000);
	if (ret < 0) {
		xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret);
		xhci_halt(xhci);