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Commit b0682612 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "usb: xhci: remove unnecessary second abort try"

parents a5ba9ddd a62bf713
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+5 −14
Original line number Diff line number Diff line
@@ -343,21 +343,12 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring,
			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
	if (ret < 0) {
		/* we are about to kill xhci, give it one more chance */
		xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
			      &xhci->op_regs->cmd_ring);
		udelay(1000);
		ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring,
				     CMD_RING_RUNNING, 0, 3 * 1000 * 1000);
		if (ret < 0) {
			xhci_err(xhci, "Stopped the command ring failed, "
				 "maybe the host is dead\n");
		xhci_err(xhci,
			 "Stop command ring failed, maybe the host is dead\n");
		xhci->xhc_state |= XHCI_STATE_DYING;
			xhci_quiesce(xhci);
		xhci_halt(xhci);
		return -ESHUTDOWN;
	}
	}
	/*
	 * Writing the CMD_RING_ABORT bit should cause a cmd completion event,
	 * however on some host hw the CMD_RING_RUNNING bit is correctly cleared