patches.renesas/0183-xhci-rename-EP_HALT_PENDING-to-EP_STOP_CMD_PENDING.patch

From a337e153766013c465bd074ebe8248c9c7cf3205 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Mon, 23 Jan 2017 14:19:52 +0200
Subject: [PATCH 183/255] xhci: rename EP_HALT_PENDING to EP_STOP_CMD_PENDING

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>
(cherry picked from commit 9983a5fc39bfce7581db49f884aa782f24149d93)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/usb/host/xhci-ring.c |    6 +++---
 drivers/usb/host/xhci.c      |    6 +++---
 drivers/usb/host/xhci.h      |    2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -410,7 +410,7 @@ void xhci_ring_ep_doorbell(struct xhci_h
 	 * 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 *
 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).
@@ -917,7 +917,7 @@ void xhci_stop_endpoint_command_watchdog
 
 	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.");
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1569,13 +1569,13 @@ int xhci_urb_dequeue(struct usb_hcd *hcd
 	/* 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;
@@ -3616,7 +3616,7 @@ void xhci_free_dev(struct usb_hcd *hcd,
 
 	/* 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);
 	}
 
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -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)