Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

1 files changed, 36 insertions, 8 deletions

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index e0186230016..8ae70de2c37 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -178,6 +178,7 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 
 	/* ep_reset() has already been called */
 	ep->stopped = 0;
+	ep->wedged = 0;
 	ep->out_overflow = 0;
 
 	/* set speed-dependent max packet; may kick in high bandwidth */
@@ -1007,7 +1008,7 @@ static void scan_dma_completions (struct net2280_ep *ep)
 			 * 0122, and 0124; not all cases trigger the warning.
 			 */
 			if ((tmp & (1 << NAK_OUT_PACKETS)) == 0) {
-				WARN (ep->dev, "%s lost packet sync!\n",
+				WARNING (ep->dev, "%s lost packet sync!\n",
 						ep->ep.name);
 				req->req.status = -EOVERFLOW;
 			} else if ((tmp = readl (&ep->regs->ep_avail)) != 0) {
@@ -1218,7 +1219,7 @@ static int net2280_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 static int net2280_fifo_status (struct usb_ep *_ep);
 
 static int
-net2280_set_halt (struct usb_ep *_ep, int value)
+net2280_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
 {
 	struct net2280_ep	*ep;
 	unsigned long		flags;
@@ -1239,16 +1240,21 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 	else if (ep->is_in && value && net2280_fifo_status (_ep) != 0)
 		retval = -EAGAIN;
 	else {
-		VDEBUG (ep->dev, "%s %s halt\n", _ep->name,
-				value ? "set" : "clear");
+		VDEBUG (ep->dev, "%s %s %s\n", _ep->name,
+				value ? "set" : "clear",
+				wedged ? "wedge" : "halt");
 		/* set/clear, then synch memory views with the device */
 		if (value) {
 			if (ep->num == 0)
 				ep->dev->protocol_stall = 1;
 			else
 				set_halt (ep);
-		} else
+			if (wedged)
+				ep->wedged = 1;
+		} else {
 			clear_halt (ep);
+			ep->wedged = 0;
+		}
 		(void) readl (&ep->regs->ep_rsp);
 	}
 	spin_unlock_irqrestore (&ep->dev->lock, flags);
@@ -1257,6 +1263,20 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 }
 
 static int
+net2280_set_halt(struct usb_ep *_ep, int value)
+{
+	return net2280_set_halt_and_wedge(_ep, value, 0);
+}
+
+static int
+net2280_set_wedge(struct usb_ep *_ep)
+{
+	if (!_ep || _ep->name == ep0name)
+		return -EINVAL;
+	return net2280_set_halt_and_wedge(_ep, 1, 1);
+}
+
+static int
 net2280_fifo_status (struct usb_ep *_ep)
 {
 	struct net2280_ep	*ep;
@@ -1302,6 +1322,7 @@ static const struct usb_ep_ops net2280_ep_ops = {
 	.dequeue	= net2280_dequeue,
 
 	.set_halt	= net2280_set_halt,
+	.set_wedge	= net2280_set_wedge,
 	.fifo_status	= net2280_fifo_status,
 	.fifo_flush	= net2280_fifo_flush,
 };
@@ -2410,9 +2431,14 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
-			clear_halt (e);
+			if (e->wedged) {
+				VDEBUG(dev, "%s wedged, halt not cleared\n",
+						ep->ep.name);
+			} else {
+				VDEBUG(dev, "%s clear halt\n", ep->ep.name);
+				clear_halt(e);
+			}
 			allow_status (ep);
-			VDEBUG (dev, "%s clear halt\n", ep->ep.name);
 			goto next_endpoints;
 			}
 			break;
@@ -2427,6 +2453,8 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
+			if (e->ep.name == ep0name)
+				goto do_stall;
 			set_halt (e);
 			allow_status (ep);
 			VDEBUG (dev, "%s set halt\n", ep->ep.name);
@@ -2768,7 +2796,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->gadget.is_dualspeed = 1;
 
 	/* the "gadget" abstracts/virtualizes the controller */
-	strcpy (dev->gadget.dev.bus_id, "gadget");
+	dev_set_name(&dev->gadget.dev, "gadget");
 	dev->gadget.dev.parent = &pdev->dev;
 	dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	dev->gadget.dev.release = gadget_release;