xhci: rename EP_HALT_PENDING to EP_STOP_CMD_PENDING
authorMathias Nyman <mathias.nyman@linux.intel.com>
Mon, 23 Jan 2017 12:19:52 +0000 (14:19 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 25 Jan 2017 09:57:34 +0000 (10:57 +0100)
We don't want to confuse halted and stalled endpoint states with
a flag indicating we are waiting for a stop endpoint command to
finish or timeout

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h

index 46df89e..213cb02 100644 (file)
@@ -410,7 +410,7 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci,
         * pointer command pending because the device can choose to start any
         * stream once the endpoint is on the HW schedule.
         */
-       if ((ep_state & EP_HALT_PENDING) || (ep_state & SET_DEQ_PENDING) ||
+       if ((ep_state & EP_STOP_CMD_PENDING) || (ep_state & SET_DEQ_PENDING) ||
            (ep_state & EP_HALTED))
                return;
        writel(DB_VALUE(ep_index, stream_id), db_addr);
@@ -626,7 +626,7 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
 static void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci,
                struct xhci_virt_ep *ep)
 {
-       ep->ep_state &= ~EP_HALT_PENDING;
+       ep->ep_state &= ~EP_STOP_CMD_PENDING;
        /* Can't del_timer_sync in interrupt, so we attempt to cancel.  If the
         * timer is running on another CPU, we don't decrement stop_cmds_pending
         * (since we didn't successfully stop the watchdog timer).
@@ -914,7 +914,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
 
        ep->stop_cmds_pending--;
 
-       if (ep->stop_cmds_pending || !(ep->ep_state & EP_HALT_PENDING)) {
+       if (ep->stop_cmds_pending || !(ep->ep_state & EP_STOP_CMD_PENDING)) {
                xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                                "Stop EP timer ran, but no command pending, "
                                "exiting.");
index 9a0ec11..fcb3fa4 100644 (file)
@@ -1563,13 +1563,13 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
        /* Queue a stop endpoint command, but only if this is
         * the first cancellation to be handled.
         */
-       if (!(ep->ep_state & EP_HALT_PENDING)) {
+       if (!(ep->ep_state & EP_STOP_CMD_PENDING)) {
                command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);
                if (!command) {
                        ret = -ENOMEM;
                        goto done;
                }
-               ep->ep_state |= EP_HALT_PENDING;
+               ep->ep_state |= EP_STOP_CMD_PENDING;
                ep->stop_cmds_pending++;
                ep->stop_cmd_timer.expires = jiffies +
                        XHCI_STOP_EP_CMD_TIMEOUT * HZ;
@@ -3610,7 +3610,7 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
 
        /* Stop any wayward timer functions (which may grab the lock) */
        for (i = 0; i < 31; ++i) {
-               virt_dev->eps[i].ep_state &= ~EP_HALT_PENDING;
+               virt_dev->eps[i].ep_state &= ~EP_STOP_CMD_PENDING;
                del_timer_sync(&virt_dev->eps[i].stop_cmd_timer);
        }
 
index 2d7b637..198f403 100644 (file)
@@ -912,7 +912,7 @@ struct xhci_virt_ep {
        unsigned int                    ep_state;
 #define SET_DEQ_PENDING                (1 << 0)
 #define EP_HALTED              (1 << 1)        /* For stall handling */
-#define EP_HALT_PENDING                (1 << 2)        /* For URB cancellation */
+#define EP_STOP_CMD_PENDING    (1 << 2)        /* For URB cancellation */
 /* Transitioning the endpoint to using streams, don't enqueue URBs */
 #define EP_GETTING_STREAMS     (1 << 3)
 #define EP_HAS_STREAMS         (1 << 4)