Merge ../linux-2.6

9 files changed, 137 insertions, 476 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index d80f71877d68..363b2ad74ae6 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -69,11 +69,11 @@ choice
 	   often need board-specific hooks.
 
 config USB_GADGET_NET2280
-	boolean "NetChip 2280"
+	boolean "NetChip 228x"
 	depends on PCI
 	select USB_GADGET_DUALSPEED
 	help
-	   NetChip 2280 is a PCI based USB peripheral controller which
+	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
 	   supports both full and high speed USB 2.0 data transfers.  
 	   
 	   It has six configurable endpoints, as well as endpoint zero
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 865858cfd1c2..b8d0b7825bf3 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1709,7 +1709,7 @@ static int __devexit at91udc_remove(struct platform_device *dev)
 }
 
 #ifdef CONFIG_PM
-static int at91udc_suspend(struct platform_device *dev, u32 state, u32 level)
+static int at91udc_suspend(struct platform_device *dev, pm_message_t mesg)
 {
 	struct at91_udc *udc = platform_get_drvdata(dev);
 
@@ -1731,7 +1731,7 @@ static int at91udc_suspend(struct platform_device *dev, u32 state, u32 level)
 	return 0;
 }
 
-static int at91udc_resume(struct platform_device *dev, u32 level)
+static int at91udc_resume(struct platform_device *dev)
 {
 	struct at91_udc *udc = platform_get_drvdata(dev);
 
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index c3d8e5c5bf28..9c4422ac9de4 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -2338,6 +2338,9 @@ autoconf_fail:
 		hs_subset_descriptors();
 	}
 
+	device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
+	usb_gadget_set_selfpowered (gadget);
+
 	/* For now RNDIS is always a second config */
 	if (rndis)
 		device_desc.bNumConfigurations = 2;
@@ -2361,9 +2364,6 @@ autoconf_fail:
 #endif
 #endif	/* DUALSPEED */
 
-	device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
-	usb_gadget_set_selfpowered (gadget);
-
 	if (gadget->is_otg) {
 		otg_descriptor.bmAttributes |= USB_OTG_HNP,
 		eth_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index cf3be299e353..6f887478b148 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -71,6 +71,12 @@
  * requirement amounts to two 16K buffers, size configurable by a parameter.
  * Support is included for both full-speed and high-speed operation.
  *
+ * Note that the driver is slightly non-portable in that it assumes a
+ * single memory/DMA buffer will be useable for bulk-in, bulk-out, and
+ * interrupt-in endpoints.  With most device controllers this isn't an
+ * issue, but there may be some with hardware restrictions that prevent
+ * a buffer from being used by more than one endpoint.
+ *
  * Module options:
  *
  *	file=filename[,filename...]
@@ -108,6 +114,14 @@
  * setting are not allowed when the medium is loaded.
  *
  * This gadget driver is heavily based on "Gadget Zero" by David Brownell.
+ * The driver's SCSI command interface was based on the "Information
+ * technology - Small Computer System Interface - 2" document from
+ * X3T9.2 Project 375D, Revision 10L, 7-SEP-93, available at
+ * <http://www.t10.org/ftp/t10/drafts/s2/s2-r10l.pdf>.  The single exception
+ * is opcode 0x23 (READ FORMAT CAPACITIES), which was based on the
+ * "Universal Serial Bus Mass Storage Class UFI Command Specification"
+ * document, Revision 1.0, December 14, 1998, available at
+ * <http://www.usb.org/developers/devclass_docs/usbmass-ufi10.pdf>.
  */
 
 
@@ -334,11 +348,9 @@ MODULE_LICENSE("Dual BSD/GPL");
 
 #define MAX_LUNS	8
 
-	/* Arggh!  There should be a module_param_array_named macro! */
-static char		*file[MAX_LUNS];
-static int		ro[MAX_LUNS];
-
 static struct {
+	char		*file[MAX_LUNS];
+	int		ro[MAX_LUNS];
 	int		num_filenames;
 	int		num_ros;
 	unsigned int	nluns;
@@ -370,10 +382,11 @@ static struct {
 	};
 
 
-module_param_array(file, charp, &mod_data.num_filenames, S_IRUGO);
+module_param_array_named(file, mod_data.file, charp, &mod_data.num_filenames,
+		S_IRUGO);
 MODULE_PARM_DESC(file, "names of backing files or devices");
 
-module_param_array(ro, bool, &mod_data.num_ros, S_IRUGO);
+module_param_array_named(ro, mod_data.ro, bool, &mod_data.num_ros, S_IRUGO);
 MODULE_PARM_DESC(ro, "true to force read-only");
 
 module_param_named(luns, mod_data.nluns, uint, S_IRUGO);
@@ -1795,6 +1808,7 @@ static int do_write(struct fsg_dev *fsg)
 			 * the bulk-out maxpacket size */
 			bh->outreq->length = bh->bulk_out_intended_length =
 					amount;
+			bh->outreq->short_not_ok = 1;
 			start_transfer(fsg, fsg->bulk_out, bh->outreq,
 					&bh->outreq_busy, &bh->state);
 			fsg->next_buffhd_to_fill = bh->next;
@@ -2398,6 +2412,7 @@ static int throw_away_data(struct fsg_dev *fsg)
 			 * the bulk-out maxpacket size */
 			bh->outreq->length = bh->bulk_out_intended_length =
 					amount;
+			bh->outreq->short_not_ok = 1;
 			start_transfer(fsg, fsg->bulk_out, bh->outreq,
 					&bh->outreq_busy, &bh->state);
 			fsg->next_buffhd_to_fill = bh->next;
@@ -3029,6 +3044,7 @@ static int get_next_command(struct fsg_dev *fsg)
 
 		/* Queue a request to read a Bulk-only CBW */
 		set_bulk_out_req_length(fsg, bh, USB_BULK_CB_WRAP_LEN);
+		bh->outreq->short_not_ok = 1;
 		start_transfer(fsg, fsg->bulk_out, bh->outreq,
 				&bh->outreq_busy, &bh->state);
 
@@ -3859,7 +3875,7 @@ static int __init fsg_bind(struct usb_gadget *gadget)
 
 	for (i = 0; i < fsg->nluns; ++i) {
 		curlun = &fsg->luns[i];
-		curlun->ro = ro[i];
+		curlun->ro = mod_data.ro[i];
 		curlun->dev.parent = &gadget->dev;
 		curlun->dev.driver = &fsg_driver.driver;
 		dev_set_drvdata(&curlun->dev, fsg);
@@ -3876,8 +3892,9 @@ static int __init fsg_bind(struct usb_gadget *gadget)
 			kref_get(&fsg->ref);
 		}
 
-		if (file[i] && *file[i]) {
-			if ((rc = open_backing_file(curlun, file[i])) != 0)
+		if (mod_data.file[i] && *mod_data.file[i]) {
+			if ((rc = open_backing_file(curlun,
+					mod_data.file[i])) != 0)
 				goto out;
 		} else if (!mod_data.removable) {
 			ERROR(fsg, "no file given for LUN%d\n", i);
@@ -3953,6 +3970,9 @@ static int __init fsg_bind(struct usb_gadget *gadget)
 	for (i = 0; i < NUM_BUFFERS; ++i) {
 		struct fsg_buffhd	*bh = &fsg->buffhds[i];
 
+		/* Allocate for the bulk-in endpoint.  We assume that
+		 * the buffer will also work with the bulk-out (and
+		 * interrupt-in) endpoint. */
 		bh->buf = usb_ep_alloc_buffer(fsg->bulk_in, mod_data.buflen,
 				&bh->dma, GFP_KERNEL);
 		if (!bh->buf)
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index c4081407171f..aa80f0910720 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -100,9 +100,9 @@
 #define gadget_is_musbhsfc(g)	0
 #endif
 
-/* Mentor high speed "dual role" controller, peripheral mode */
-#ifdef CONFIG_USB_GADGET_MUSBHDRC
-#define gadget_is_musbhdrc(g)	!strcmp("musbhdrc_udc", (g)->name)
+/* Mentor high speed "dual role" controller, in peripheral role */
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+#define gadget_is_musbhdrc(g)	!strcmp("musb_hdrc", (g)->name)
 #else
 #define gadget_is_musbhdrc(g)	0
 #endif
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 3f618ce6998d..0eb010a3f5bc 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -810,7 +810,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 		if (value == 0)
 			data->state = STATE_EP_ENABLED;
 		break;
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 	case USB_SPEED_HIGH:
 		/* fails if caller didn't provide that descriptor... */
 		value = usb_ep_enable (ep, &data->hs_desc);
@@ -982,7 +982,7 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 			/* assume that was SET_CONFIGURATION */
 			if (dev->current_config) {
 				unsigned power;
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 				if (dev->gadget->speed == USB_SPEED_HIGH)
 					power = dev->hs_config->bMaxPower;
 				else
@@ -1262,7 +1262,7 @@ static struct file_operations ep0_io_operations = {
  * Unrecognized ep0 requests may be handled in user space.
  */
 
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 static void make_qualifier (struct dev_data *dev)
 {
 	struct usb_qualifier_descriptor		qual;
@@ -1291,7 +1291,7 @@ static int
 config_buf (struct dev_data *dev, u8 type, unsigned index)
 {
 	int		len;
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
 	int		hs;
 #endif
 
@@ -1299,7 +1299,7 @@ config_buf (struct dev_data *dev, u8 type, unsigned index)
 	if (index > 0)
 		return -EINVAL;
 
-#ifdef HIGHSPEED
+#ifdef CONFIG_USB_GADGET_DUALSPEED
 	hs = (dev->gadget->speed == USB_SPEED_HIGH);
 	if (type == USB_DT_OTHER_SPEED_CONFIG)
 		hs = !hs;
@@ -1335,12 +1335,12 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 		dev->state = STATE_CONNECTED;
 		dev->dev->bMaxPacketSize0 = gadget->ep0->maxpacket;
 
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 		if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == 0) {
 			ERROR (dev, "no high speed config??\n");
 			return -EINVAL;
 		}
-#endif	/* HIGHSPEED */
+#endif	/* CONFIG_USB_GADGET_DUALSPEED */
 
 		INFO (dev, "connected\n");
 		event = next_event (dev, GADGETFS_CONNECT);
@@ -1352,11 +1352,11 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 			/* ... down_trylock (&data->lock) ... */
 			if (data->state != STATE_EP_DEFER_ENABLE)
 				continue;
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 			if (gadget->speed == USB_SPEED_HIGH)
 				value = usb_ep_enable (ep, &data->hs_desc);
 			else
-#endif	/* HIGHSPEED */
+#endif	/* CONFIG_USB_GADGET_DUALSPEED */
 				value = usb_ep_enable (ep, &data->desc);
 			if (value) {
 				ERROR (dev, "deferred %s enable --> %d\n",
@@ -1391,7 +1391,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 			value = min (w_length, (u16) sizeof *dev->dev);
 			req->buf = dev->dev;
 			break;
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 		case USB_DT_DEVICE_QUALIFIER:
 			if (!dev->hs_config)
 				break;
@@ -1428,7 +1428,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 			// user mode expected to disable endpoints
 		} else {
 			u8	config, power;
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 			if (gadget->speed == USB_SPEED_HIGH) {
 				config = dev->hs_config->bConfigurationValue;
 				power = dev->hs_config->bMaxPower;
@@ -1614,6 +1614,7 @@ static int activate_ep_files (struct dev_data *dev)
 				data, &ep_config_operations,
 				&data->dentry);
 		if (!data->inode) {
+			usb_ep_free_request(ep, data->req);
 			kfree (data);
 			goto enomem;
 		}
@@ -1728,7 +1729,7 @@ gadgetfs_suspend (struct usb_gadget *gadget)
 }
 
 static struct usb_gadget_driver gadgetfs_driver = {
-#ifdef	HIGHSPEED
+#ifdef	CONFIG_USB_GADGET_DUALSPEED
 	.speed		= USB_SPEED_HIGH,
 #else
 	.speed		= USB_SPEED_FULL,
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index fb73dc100535..0b9293493957 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -26,6 +26,8 @@
  * Copyright (C) 2003 David Brownell
  * Copyright (C) 2003-2005 PLX Technology, Inc.
  *
+ * Modified Seth Levy 2005 PLX Technology, Inc. to provide compatibility with 2282 chip
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -71,8 +73,8 @@
 #include <asm/unaligned.h>
 
 
-#define	DRIVER_DESC		"PLX NET2280 USB Peripheral Controller"
-#define	DRIVER_VERSION		"2005 Feb 03"
+#define	DRIVER_DESC		"PLX NET228x USB Peripheral Controller"
+#define	DRIVER_VERSION		"2005 Sept 27"
 
 #define	DMA_ADDR_INVALID	(~(dma_addr_t)0)
 #define	EP_DONTUSE		13	/* nonzero */
@@ -118,7 +120,7 @@ module_param (fifo_mode, ushort, 0644);
 /* enable_suspend -- When enabled, the driver will respond to
  * USB suspend requests by powering down the NET2280.  Otherwise,
  * USB suspend requests will be ignored.  This is acceptible for
- * self-powered devices, and helps avoid some quirks.
+ * self-powered devices
  */
 static int enable_suspend = 0;
 
@@ -223,6 +225,11 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 	ep->is_in = (tmp & USB_DIR_IN) != 0;
 	if (!ep->is_in)
 		writel ((1 << SET_NAK_OUT_PACKETS), &ep->regs->ep_rsp);
+	else if (dev->pdev->device != 0x2280) {
+		/* Added for 2282, Don't use nak packets on an in endpoint, this was ignored on 2280 */
+		writel ((1 << CLEAR_NAK_OUT_PACKETS)
+			| (1 << CLEAR_NAK_OUT_PACKETS_MODE), &ep->regs->ep_rsp);
+	}
 
 	writel (tmp, &ep->regs->ep_cfg);
 
@@ -232,8 +239,9 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 		writel (tmp, &dev->regs->pciirqenb0);
 
 		tmp = (1 << DATA_PACKET_RECEIVED_INTERRUPT_ENABLE)
-			| (1 << DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE)
-			| readl (&ep->regs->ep_irqenb);
+			| (1 << DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE);
+		if (dev->pdev->device == 0x2280)
+			tmp |= readl (&ep->regs->ep_irqenb);
 		writel (tmp, &ep->regs->ep_irqenb);
 	} else {				/* dma, per-request */
 		tmp = (1 << (8 + ep->num));	/* completion */
@@ -314,10 +322,18 @@ static void ep_reset (struct net2280_regs __iomem *regs, struct net2280_ep *ep)
 	/* init to our chosen defaults, notably so that we NAK OUT
 	 * packets until the driver queues a read (+note erratum 0112)
 	 */
-	tmp = (1 << SET_NAK_OUT_PACKETS_MODE)
+	if (!ep->is_in || ep->dev->pdev->device == 0x2280) {
+		tmp = (1 << SET_NAK_OUT_PACKETS_MODE)
 		| (1 << SET_NAK_OUT_PACKETS)
 		| (1 << CLEAR_EP_HIDE_STATUS_PHASE)
 		| (1 << CLEAR_INTERRUPT_MODE);
+	} else {
+		/* added for 2282 */
+		tmp = (1 << CLEAR_NAK_OUT_PACKETS_MODE)
+		| (1 << CLEAR_NAK_OUT_PACKETS)
+		| (1 << CLEAR_EP_HIDE_STATUS_PHASE)
+		| (1 << CLEAR_INTERRUPT_MODE);
+	}
 
 	if (ep->num != 0) {
 		tmp |= (1 << CLEAR_ENDPOINT_TOGGLE)
@@ -326,14 +342,18 @@ static void ep_reset (struct net2280_regs __iomem *regs, struct net2280_ep *ep)
 	writel (tmp, &ep->regs->ep_rsp);
 
 	/* scrub most status bits, and flush any fifo state */
-	writel (  (1 << TIMEOUT)
+	if (ep->dev->pdev->device == 0x2280)
+		tmp = (1 << FIFO_OVERFLOW)
+			| (1 << FIFO_UNDERFLOW);
+	else
+		tmp = 0;
+
+	writel (tmp | (1 << TIMEOUT)
 		| (1 << USB_STALL_SENT)
 		| (1 << USB_IN_NAK_SENT)
 		| (1 << USB_IN_ACK_RCVD)
 		| (1 << USB_OUT_PING_NAK_SENT)
 		| (1 << USB_OUT_ACK_SENT)
-		| (1 << FIFO_OVERFLOW)
-		| (1 << FIFO_UNDERFLOW)
 		| (1 << FIFO_FLUSH)
 		| (1 << SHORT_PACKET_OUT_DONE_INTERRUPT)
 		| (1 << SHORT_PACKET_TRANSFERRED_INTERRUPT)
@@ -718,7 +738,7 @@ fill_dma_desc (struct net2280_ep *ep, struct net2280_request *req, int valid)
 	 */
 	if (ep->is_in)
 		dmacount |= (1 << DMA_DIRECTION);
-	else if ((dmacount % ep->ep.maxpacket) != 0)
+	if ((!ep->is_in && (dmacount % ep->ep.maxpacket) != 0) || ep->dev->pdev->device != 0x2280)
 		dmacount |= (1 << END_OF_CHAIN);
 
 	req->valid = valid;
@@ -760,9 +780,12 @@ static inline void stop_dma (struct net2280_dma_regs __iomem *dma)
 static void start_queue (struct net2280_ep *ep, u32 dmactl, u32 td_dma)
 {
 	struct net2280_dma_regs	__iomem *dma = ep->dma;
+	unsigned int tmp = (1 << VALID_BIT) | (ep->is_in << DMA_DIRECTION);
+
+	if (ep->dev->pdev->device != 0x2280)
+		tmp |= (1 << END_OF_CHAIN);
 
-	writel ((1 << VALID_BIT) | (ep->is_in << DMA_DIRECTION),
-			&dma->dmacount);
+	writel (tmp, &dma->dmacount);
 	writel (readl (&dma->dmastat), &dma->dmastat);
 
 	writel (td_dma, &dma->dmadesc);
@@ -2110,7 +2133,11 @@ static void handle_ep_small (struct net2280_ep *ep)
 	VDEBUG (ep->dev, "%s ack ep_stat %08x, req %p\n",
 			ep->ep.name, t, req ? &req->req : 0);
 #endif
-	writel (t & ~(1 << NAK_OUT_PACKETS), &ep->regs->ep_stat);
+	if (!ep->is_in || ep->dev->pdev->device == 0x2280)
+		writel (t & ~(1 << NAK_OUT_PACKETS), &ep->regs->ep_stat);
+	else
+		/* Added for 2282 */
+		writel (t, &ep->regs->ep_stat);
 
 	/* for ep0, monitor token irqs to catch data stage length errors
 	 * and to synchronize on status.
@@ -2139,7 +2166,7 @@ static void handle_ep_small (struct net2280_ep *ep)
 					ep->stopped = 1;
 					set_halt (ep);
 					mode = 2;
-				} else if (!req && ep->stopped)
+				} else if (!req && !ep->stopped)
 					write_fifo (ep, NULL);
 			}
 		} else {
@@ -2214,7 +2241,8 @@ static void handle_ep_small (struct net2280_ep *ep)
 			if (likely (req)) {
 				req->td->dmacount = 0;
 				t = readl (&ep->regs->ep_avail);
-				dma_done (ep, req, count, t);
+				dma_done (ep, req, count,
+					(ep->out_overflow || t) ? -EOVERFLOW : 0);
 			}
 
 			/* also flush to prevent erratum 0106 trouble */
@@ -2252,9 +2280,7 @@ static void handle_ep_small (struct net2280_ep *ep)
 		/* if we wrote it all, we're usually done */
 		if (req->req.actual == req->req.length) {
 			if (ep->num == 0) {
-				/* wait for control status */
-				if (mode != 2)
-					req = NULL;
+				/* send zlps until the status stage */
 			} else if (!req->req.zero || len != ep->ep.maxpacket)
 				mode = 2;
 		}
@@ -2337,7 +2363,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 			u32			raw [2];
 			struct usb_ctrlrequest	r;
 		} u;
-		int				tmp = 0;
+		int				tmp;
 		struct net2280_request		*req;
 
 		if (dev->gadget.speed == USB_SPEED_UNKNOWN) {
@@ -2364,14 +2390,19 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 		}
 		ep->stopped = 0;
 		dev->protocol_stall = 0;
-		writel (  (1 << TIMEOUT)
+
+		if (ep->dev->pdev->device == 0x2280)
+			tmp = (1 << FIFO_OVERFLOW)
+				| (1 << FIFO_UNDERFLOW);
+		else
+			tmp = 0;
+
+		writel (tmp | (1 << TIMEOUT)
 			| (1 << USB_STALL_SENT)
 			| (1 << USB_IN_NAK_SENT)
 			| (1 << USB_IN_ACK_RCVD)
 			| (1 << USB_OUT_PING_NAK_SENT)
 			| (1 << USB_OUT_ACK_SENT)
-			| (1 << FIFO_OVERFLOW)
-			| (1 << FIFO_UNDERFLOW)
 			| (1 << SHORT_PACKET_OUT_DONE_INTERRUPT)
 			| (1 << SHORT_PACKET_TRANSFERRED_INTERRUPT)
 			| (1 << DATA_PACKET_RECEIVED_INTERRUPT)
@@ -2385,6 +2416,8 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 		cpu_to_le32s (&u.raw [0]);
 		cpu_to_le32s (&u.raw [1]);
 
+		tmp = 0;
+
 #define	w_value		le16_to_cpup (&u.r.wValue)
 #define	w_index		le16_to_cpup (&u.r.wIndex)
 #define	w_length	le16_to_cpup (&u.r.wLength)
@@ -2594,10 +2627,17 @@ static void handle_stat1_irqs (struct net2280 *dev, u32 stat)
 		writel (stat, &dev->regs->irqstat1);
 
 	/* some status we can just ignore */
-	stat &= ~((1 << CONTROL_STATUS_INTERRUPT)
-			| (1 << SUSPEND_REQUEST_INTERRUPT)
-			| (1 << RESUME_INTERRUPT)
-			| (1 << SOF_INTERRUPT));
+	if (dev->pdev->device == 0x2280)
+		stat &= ~((1 << CONTROL_STATUS_INTERRUPT)
+			  | (1 << SUSPEND_REQUEST_INTERRUPT)
+			  | (1 << RESUME_INTERRUPT)
+			  | (1 << SOF_INTERRUPT));
+	else
+		stat &= ~((1 << CONTROL_STATUS_INTERRUPT)
+			  | (1 << RESUME_INTERRUPT)
+			  | (1 << SOF_DOWN_INTERRUPT)
+			  | (1 << SOF_INTERRUPT));
+
 	if (!stat)
 		return;
 	// DEBUG (dev, "irqstat1 %08x\n", stat);
@@ -2702,6 +2742,10 @@ static irqreturn_t net2280_irq (int irq, void *_dev, struct pt_regs * r)
 {
 	struct net2280		*dev = _dev;
 
+	/* shared interrupt, not ours */
+	if (!(readl(&dev->regs->irqstat0) & (1 << INTA_ASSERTED)))
+		return IRQ_NONE;
+
 	spin_lock (&dev->lock);
 
 	/* handle disconnect, dma, and more */
@@ -2789,13 +2833,13 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* alloc, and start init */
-	dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+	dev = kzalloc (sizeof *dev, SLAB_KERNEL);
 	if (dev == NULL){
 		retval = -ENOMEM;
 		goto done;
 	}
 
-	memset (dev, 0, sizeof *dev);
+	pci_set_drvdata (pdev, dev);
 	spin_lock_init (&dev->lock);
 	dev->pdev = pdev;
 	dev->gadget.ops = &net2280_ops;
@@ -2908,7 +2952,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->chiprev = get_idx_reg (dev->regs, REG_CHIPREV) & 0xffff;
 
 	/* done */
-	pci_set_drvdata (pdev, dev);
 	INFO (dev, "%s\n", driver_desc);
 	INFO (dev, "irq %s, pci mem %p, chip rev %04x\n",
 			bufp, base, dev->chiprev);
@@ -2939,6 +2982,13 @@ static struct pci_device_id pci_ids [] = { {
 	.device =	0x2280,
 	.subvendor =	PCI_ANY_ID,
 	.subdevice =	PCI_ANY_ID,
+}, {
+	.class = 	((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
+	.class_mask = 	~0,
+	.vendor =	0x17cc,
+	.device =	0x2282,
+	.subvendor =	PCI_ANY_ID,
+	.subdevice =	PCI_ANY_ID,
 
 }, { /* end: all zeroes */ }
 };
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index fff4509cf340..957d6df34015 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -22,420 +22,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-/*-------------------------------------------------------------------------*/
-
-/* NET2280 MEMORY MAPPED REGISTERS
- *
- * The register layout came from the chip documentation, and the bit
- * number definitions were extracted from chip specification.
- *
- * Use the shift operator ('<<') to build bit masks, with readl/writel
- * to access the registers through PCI.
- */
-
-/* main registers, BAR0 + 0x0000 */
-struct net2280_regs {
-	// offset 0x0000
-	u32		devinit;
-#define     LOCAL_CLOCK_FREQUENCY                               8
-#define     FORCE_PCI_RESET                                     7
-#define     PCI_ID                                              6
-#define     PCI_ENABLE                                          5
-#define     FIFO_SOFT_RESET                                     4
-#define     CFG_SOFT_RESET                                      3
-#define     PCI_SOFT_RESET                                      2
-#define     USB_SOFT_RESET                                      1
-#define     M8051_RESET                                         0
-	u32		eectl;
-#define     EEPROM_ADDRESS_WIDTH                                23
-#define     EEPROM_CHIP_SELECT_ACTIVE                           22
-#define     EEPROM_PRESENT                                      21
-#define     EEPROM_VALID                                        20
-#define     EEPROM_BUSY                                         19
-#define     EEPROM_CHIP_SELECT_ENABLE                           18
-#define     EEPROM_BYTE_READ_START                              17
-#define     EEPROM_BYTE_WRITE_START                             16
-#define     EEPROM_READ_DATA                                    8
-#define     EEPROM_WRITE_DATA                                   0
-	u32		eeclkfreq;
-	u32		_unused0;
-	// offset 0x0010
-
-	u32		pciirqenb0;		/* interrupt PCI master ... */
-#define     SETUP_PACKET_INTERRUPT_ENABLE                       7
-#define     ENDPOINT_F_INTERRUPT_ENABLE                         6
-#define     ENDPOINT_E_INTERRUPT_ENABLE                         5
-#define     ENDPOINT_D_INTERRUPT_ENABLE                         4
-#define     ENDPOINT_C_INTERRUPT_ENABLE                         3
-#define     ENDPOINT_B_INTERRUPT_ENABLE                         2
-#define     ENDPOINT_A_INTERRUPT_ENABLE                         1
-#define     ENDPOINT_0_INTERRUPT_ENABLE                         0
-	u32		pciirqenb1;
-#define     PCI_INTERRUPT_ENABLE                                31
-#define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
-#define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
-#define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
-#define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
-#define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
-#define     PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE          18
-#define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
-#define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
-#define     GPIO_INTERRUPT_ENABLE                               13
-#define     DMA_D_INTERRUPT_ENABLE                              12
-#define     DMA_C_INTERRUPT_ENABLE                              11
-#define     DMA_B_INTERRUPT_ENABLE                              10
-#define     DMA_A_INTERRUPT_ENABLE                              9
-#define     EEPROM_DONE_INTERRUPT_ENABLE                        8
-#define     VBUS_INTERRUPT_ENABLE                               7
-#define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
-#define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
-#define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
-#define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
-#define     RESUME_INTERRUPT_ENABLE                             1
-#define     SOF_INTERRUPT_ENABLE                                0
-	u32		cpu_irqenb0;		/* ... or onboard 8051 */
-#define     SETUP_PACKET_INTERRUPT_ENABLE                       7
-#define     ENDPOINT_F_INTERRUPT_ENABLE                         6
-#define     ENDPOINT_E_INTERRUPT_ENABLE                         5
-#define     ENDPOINT_D_INTERRUPT_ENABLE                         4
-#define     ENDPOINT_C_INTERRUPT_ENABLE                         3
-#define     ENDPOINT_B_INTERRUPT_ENABLE                         2
-#define     ENDPOINT_A_INTERRUPT_ENABLE                         1
-#define     ENDPOINT_0_INTERRUPT_ENABLE                         0
-	u32		cpu_irqenb1;
-#define     CPU_INTERRUPT_ENABLE                                31
-#define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
-#define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
-#define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
-#define     PCI_INTA_INTERRUPT_ENABLE                           24
-#define     PCI_PME_INTERRUPT_ENABLE                            23
-#define     PCI_SERR_INTERRUPT_ENABLE                           22
-#define     PCI_PERR_INTERRUPT_ENABLE                           21
-#define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
-#define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
-#define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
-#define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
-#define     GPIO_INTERRUPT_ENABLE                               13
-#define     DMA_D_INTERRUPT_ENABLE                              12
-#define     DMA_C_INTERRUPT_ENABLE                              11
-#define     DMA_B_INTERRUPT_ENABLE                              10
-#define     DMA_A_INTERRUPT_ENABLE                              9
-#define     EEPROM_DONE_INTERRUPT_ENABLE                        8
-#define     VBUS_INTERRUPT_ENABLE                               7
-#define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
-#define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
-#define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
-#define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
-#define     RESUME_INTERRUPT_ENABLE                             1
-#define     SOF_INTERRUPT_ENABLE                                0
-
-	// offset 0x0020
-	u32		_unused1;
-	u32		usbirqenb1;
-#define     USB_INTERRUPT_ENABLE                                31
-#define     POWER_STATE_CHANGE_INTERRUPT_ENABLE                 27
-#define     PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE                26
-#define     PCI_PARITY_ERROR_INTERRUPT_ENABLE                   25
-#define     PCI_INTA_INTERRUPT_ENABLE                           24
-#define     PCI_PME_INTERRUPT_ENABLE                            23
-#define     PCI_SERR_INTERRUPT_ENABLE                           22
-#define     PCI_PERR_INTERRUPT_ENABLE                           21
-#define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE          20
-#define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE          19
-#define     PCI_RETRY_ABORT_INTERRUPT_ENABLE                    17
-#define     PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE              16
-#define     GPIO_INTERRUPT_ENABLE                               13
-#define     DMA_D_INTERRUPT_ENABLE                              12
-#define     DMA_C_INTERRUPT_ENABLE                              11
-#define     DMA_B_INTERRUPT_ENABLE                              10
-#define     DMA_A_INTERRUPT_ENABLE                              9
-#define     EEPROM_DONE_INTERRUPT_ENABLE                        8
-#define     VBUS_INTERRUPT_ENABLE                               7
-#define     CONTROL_STATUS_INTERRUPT_ENABLE                     6
-#define     ROOT_PORT_RESET_INTERRUPT_ENABLE                    4
-#define     SUSPEND_REQUEST_INTERRUPT_ENABLE                    3
-#define     SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE             2
-#define     RESUME_INTERRUPT_ENABLE                             1
-#define     SOF_INTERRUPT_ENABLE                                0
-	u32		irqstat0;
-#define     INTA_ASSERTED                                       12
-#define     SETUP_PACKET_INTERRUPT                              7
-#define     ENDPOINT_F_INTERRUPT                                6
-#define     ENDPOINT_E_INTERRUPT                                5
-#define     ENDPOINT_D_INTERRUPT                                4
-#define     ENDPOINT_C_INTERRUPT                                3
-#define     ENDPOINT_B_INTERRUPT                                2
-#define     ENDPOINT_A_INTERRUPT                                1
-#define     ENDPOINT_0_INTERRUPT                                0
-	u32		irqstat1;
-#define     POWER_STATE_CHANGE_INTERRUPT                        27
-#define     PCI_ARBITER_TIMEOUT_INTERRUPT                       26
-#define     PCI_PARITY_ERROR_INTERRUPT                          25
-#define     PCI_INTA_INTERRUPT                                  24
-#define     PCI_PME_INTERRUPT                                   23
-#define     PCI_SERR_INTERRUPT                                  22
-#define     PCI_PERR_INTERRUPT                                  21
-#define     PCI_MASTER_ABORT_RECEIVED_INTERRUPT                 20
-#define     PCI_TARGET_ABORT_RECEIVED_INTERRUPT                 19
-#define     PCI_RETRY_ABORT_INTERRUPT                           17
-#define     PCI_MASTER_CYCLE_DONE_INTERRUPT                     16
-#define     GPIO_INTERRUPT                                      13
-#define     DMA_D_INTERRUPT                                     12
-#define     DMA_C_INTERRUPT                                     11
-#define     DMA_B_INTERRUPT                                     10
-#define     DMA_A_INTERRUPT                                     9
-#define     EEPROM_DONE_INTERRUPT                               8
-#define     VBUS_INTERRUPT                                      7
-#define     CONTROL_STATUS_INTERRUPT                            6
-#define     ROOT_PORT_RESET_INTERRUPT                           4
-#define     SUSPEND_REQUEST_INTERRUPT                           3
-#define     SUSPEND_REQUEST_CHANGE_INTERRUPT                    2
-#define     RESUME_INTERRUPT                                    1
-#define     SOF_INTERRUPT                                       0
-	// offset 0x0030
-	u32		idxaddr;
-	u32		idxdata;
-	u32		fifoctl;
-#define     PCI_BASE2_RANGE                                     16
-#define     IGNORE_FIFO_AVAILABILITY                            3
-#define     PCI_BASE2_SELECT                                    2
-#define     FIFO_CONFIGURATION_SELECT                           0
-	u32		_unused2;
-	// offset 0x0040
-	u32		memaddr;
-#define     START                                               28
-#define     DIRECTION                                           27
-#define     FIFO_DIAGNOSTIC_SELECT                              24
-#define     MEMORY_ADDRESS                                      0
-	u32		memdata0;
-	u32		memdata1;
-	u32		_unused3;
-	// offset 0x0050
-	u32		gpioctl;
-#define     GPIO3_LED_SELECT                                    12
-#define     GPIO3_INTERRUPT_ENABLE                              11
-#define     GPIO2_INTERRUPT_ENABLE                              10
-#define     GPIO1_INTERRUPT_ENABLE                              9
-#define     GPIO0_INTERRUPT_ENABLE                              8
-#define     GPIO3_OUTPUT_ENABLE                                 7
-#define     GPIO2_OUTPUT_ENABLE                                 6
-#define     GPIO1_OUTPUT_ENABLE                                 5
-#define     GPIO0_OUTPUT_ENABLE                                 4
-#define     GPIO3_DATA                                          3
-#define     GPIO2_DATA                                          2
-#define     GPIO1_DATA                                          1
-#define     GPIO0_DATA                                          0
-	u32		gpiostat;
-#define     GPIO3_INTERRUPT                                     3
-#define     GPIO2_INTERRUPT                                     2
-#define     GPIO1_INTERRUPT                                     1
-#define     GPIO0_INTERRUPT                                     0
-} __attribute__ ((packed));
-
-/* usb control, BAR0 + 0x0080 */
-struct net2280_usb_regs {
-	// offset 0x0080
-	u32		stdrsp;
-#define     STALL_UNSUPPORTED_REQUESTS                          31
-#define     SET_TEST_MODE                                       16
-#define     GET_OTHER_SPEED_CONFIGURATION                       15
-#define     GET_DEVICE_QUALIFIER                                14
-#define     SET_ADDRESS                                         13
-#define     ENDPOINT_SET_CLEAR_HALT                             12
-#define     DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP               11
-#define     GET_STRING_DESCRIPTOR_2                             10
-#define     GET_STRING_DESCRIPTOR_1                             9
-#define     GET_STRING_DESCRIPTOR_0                             8
-#define     GET_SET_INTERFACE                                   6
-#define     GET_SET_CONFIGURATION                               5
-#define     GET_CONFIGURATION_DESCRIPTOR                        4
-#define     GET_DEVICE_DESCRIPTOR                               3
-#define     GET_ENDPOINT_STATUS                                 2
-#define     GET_INTERFACE_STATUS                                1
-#define     GET_DEVICE_STATUS                                   0
-	u32		prodvendid;
-#define     PRODUCT_ID                                          16
-#define     VENDOR_ID                                           0
-	u32		relnum;
-	u32		usbctl;
-#define     SERIAL_NUMBER_INDEX                                 16
-#define     PRODUCT_ID_STRING_ENABLE                            13
-#define     VENDOR_ID_STRING_ENABLE                             12
-#define     USB_ROOT_PORT_WAKEUP_ENABLE                         11
-#define     VBUS_PIN                                            10
-#define     TIMED_DISCONNECT                                    9
-#define     SUSPEND_IMMEDIATELY                                 7
-#define     SELF_POWERED_USB_DEVICE                             6
-#define     REMOTE_WAKEUP_SUPPORT                               5
-#define     PME_POLARITY                                        4
-#define     USB_DETECT_ENABLE                                   3
-#define     PME_WAKEUP_ENABLE                                   2
-#define     DEVICE_REMOTE_WAKEUP_ENABLE                         1
-#define     SELF_POWERED_STATUS                                 0
-	// offset 0x0090
-	u32		usbstat;
-#define     HIGH_SPEED                                          7
-#define     FULL_SPEED                                          6
-#define     GENERATE_RESUME                                     5
-#define     GENERATE_DEVICE_REMOTE_WAKEUP                       4
-	u32		xcvrdiag;
-#define     FORCE_HIGH_SPEED_MODE                               31
-#define     FORCE_FULL_SPEED_MODE                               30
-#define     USB_TEST_MODE                                       24
-#define     LINE_STATE                                          16
-#define     TRANSCEIVER_OPERATION_MODE                          2
-#define     TRANSCEIVER_SELECT                                  1
-#define     TERMINATION_SELECT                                  0
-	u32		setup0123;
-	u32		setup4567;
-	// offset 0x0090
-	u32		_unused0;
-	u32		ouraddr;
-#define     FORCE_IMMEDIATE                                     7
-#define     OUR_USB_ADDRESS                                     0
-	u32		ourconfig;
-} __attribute__ ((packed));
-
-/* pci control, BAR0 + 0x0100 */
-struct net2280_pci_regs {
-	// offset 0x0100
-	u32		 pcimstctl;
-#define     PCI_ARBITER_PARK_SELECT                             13
-#define     PCI_MULTI LEVEL_ARBITER                             12
-#define     PCI_RETRY_ABORT_ENABLE                              11
-#define     DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE              10
-#define     DMA_READ_MULTIPLE_ENABLE                            9
-#define     DMA_READ_LINE_ENABLE                                8
-#define     PCI_MASTER_COMMAND_SELECT                           6
-#define         MEM_READ_OR_WRITE                                   0
-#define         IO_READ_OR_WRITE                                    1
-#define         CFG_READ_OR_WRITE                                   2
-#define     PCI_MASTER_START                                    5
-#define     PCI_MASTER_READ_WRITE                               4
-#define         PCI_MASTER_WRITE                                    0
-#define         PCI_MASTER_READ                                     1
-#define     PCI_MASTER_BYTE_WRITE_ENABLES                       0
-	u32		 pcimstaddr;
-	u32		 pcimstdata;
-	u32		 pcimststat;
-#define     PCI_ARBITER_CLEAR                                   2
-#define     PCI_EXTERNAL_ARBITER                                1
-#define     PCI_HOST_MODE                                       0
-} __attribute__ ((packed));
-
-/* dma control, BAR0 + 0x0180 ... array of four structs like this,
- * for channels 0..3.  see also struct net2280_dma:  descriptor
- * that can be loaded into some of these registers.
- */
-struct net2280_dma_regs {	/* [11.7] */
-	// offset 0x0180, 0x01a0, 0x01c0, 0x01e0, 
-	u32		dmactl;
-#define     DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE            25
-#define     DMA_CLEAR_COUNT_ENABLE                              21
-#define     DESCRIPTOR_POLLING_RATE                             19
-#define         POLL_CONTINUOUS                                     0
-#define         POLL_1_USEC                                         1
-#define         POLL_100_USEC                                       2
-#define         POLL_1_MSEC                                         3
-#define     DMA_VALID_BIT_POLLING_ENABLE                        18
-#define     DMA_VALID_BIT_ENABLE                                17
-#define     DMA_SCATTER_GATHER_ENABLE                           16
-#define     DMA_OUT_AUTO_START_ENABLE                           4
-#define     DMA_PREEMPT_ENABLE                                  3
-#define     DMA_FIFO_VALIDATE                                   2
-#define     DMA_ENABLE                                          1
-#define     DMA_ADDRESS_HOLD                                    0
-	u32		dmastat;
-#define     DMA_SCATTER_GATHER_DONE_INTERRUPT                   25
-#define     DMA_TRANSACTION_DONE_INTERRUPT                      24
-#define     DMA_ABORT                                           1
-#define     DMA_START                                           0
-	u32		_unused0 [2];
-	// offset 0x0190, 0x01b0, 0x01d0, 0x01f0, 
-	u32		dmacount;
-#define     VALID_BIT                                           31
-#define     DMA_DIRECTION                                       30
-#define     DMA_DONE_INTERRUPT_ENABLE                           29
-#define     END_OF_CHAIN                                        28
-#define         DMA_BYTE_COUNT_MASK                                 ((1<<24)-1)
-#define     DMA_BYTE_COUNT                                      0
-	u32		dmaaddr;
-	u32		dmadesc;
-	u32		_unused1;
-} __attribute__ ((packed));
-
-/* dedicated endpoint registers, BAR0 + 0x0200 */
-
-struct net2280_dep_regs {	/* [11.8] */
-	// offset 0x0200, 0x0210, 0x220, 0x230, 0x240
-	u32		dep_cfg;
-	// offset 0x0204, 0x0214, 0x224, 0x234, 0x244
-	u32		dep_rsp;
-	u32		_unused [2];
-} __attribute__ ((packed));
-
-/* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs
- * like this, for ep0 then the configurable endpoints A..F
- * ep0 reserved for control; E and F have only 64 bytes of fifo
- */
-struct net2280_ep_regs {	/* [11.9] */
-	// offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0
-	u32		ep_cfg;
-#define     ENDPOINT_BYTE_COUNT                                 16
-#define     ENDPOINT_ENABLE                                     10
-#define     ENDPOINT_TYPE                                       8
-#define     ENDPOINT_DIRECTION                                  7
-#define     ENDPOINT_NUMBER                                     0
-	u32		ep_rsp;
-#define     SET_NAK_OUT_PACKETS                                 15
-#define     SET_EP_HIDE_STATUS_PHASE                            14
-#define     SET_EP_FORCE_CRC_ERROR                              13
-#define     SET_INTERRUPT_MODE                                  12
-#define     SET_CONTROL_STATUS_PHASE_HANDSHAKE                  11
-#define     SET_NAK_OUT_PACKETS_MODE                            10
-#define     SET_ENDPOINT_TOGGLE                                 9
-#define     SET_ENDPOINT_HALT                                   8
-#define     CLEAR_NAK_OUT_PACKETS                               7
-#define     CLEAR_EP_HIDE_STATUS_PHASE                          6
-#define     CLEAR_EP_FORCE_CRC_ERROR                            5
-#define     CLEAR_INTERRUPT_MODE                                4
-#define     CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE                3
-#define     CLEAR_NAK_OUT_PACKETS_MODE                          2
-#define     CLEAR_ENDPOINT_TOGGLE                               1
-#define     CLEAR_ENDPOINT_HALT                                 0
-	u32		ep_irqenb;
-#define     SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE              6
-#define     SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE           5
-#define     DATA_PACKET_RECEIVED_INTERRUPT_ENABLE               3
-#define     DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE            2
-#define     DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE                1
-#define     DATA_IN_TOKEN_INTERRUPT_ENABLE                      0
-	u32		ep_stat;
-#define     FIFO_VALID_COUNT                                    24
-#define     HIGH_BANDWIDTH_OUT_TRANSACTION_PID                  22
-#define     TIMEOUT                                             21
-#define     USB_STALL_SENT                                      20
-#define     USB_IN_NAK_SENT                                     19
-#define     USB_IN_ACK_RCVD                                     18
-#define     USB_OUT_PING_NAK_SENT                               17
-#define     USB_OUT_ACK_SENT                                    16
-#define     FIFO_OVERFLOW                                       13
-#define     FIFO_UNDERFLOW                                      12
-#define     FIFO_FULL                                           11
-#define     FIFO_EMPTY                                          10
-#define     FIFO_FLUSH                                          9
-#define     SHORT_PACKET_OUT_DONE_INTERRUPT                     6
-#define     SHORT_PACKET_TRANSFERRED_INTERRUPT                  5
-#define     NAK_OUT_PACKETS                                     4
-#define     DATA_PACKET_RECEIVED_INTERRUPT                      3
-#define     DATA_PACKET_TRANSMITTED_INTERRUPT                   2
-#define     DATA_OUT_PING_TOKEN_INTERRUPT                       1
-#define     DATA_IN_TOKEN_INTERRUPT                             0
-	// offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0
-	u32		ep_avail;
-	u32		ep_data;
-	u32		_unused0 [2];
-} __attribute__ ((packed));
+#include <linux/usb/net2280.h>
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 51424f66a765..68e3d8f5da89 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -572,9 +572,10 @@ static void source_sink_complete (struct usb_ep *ep, struct usb_request *req)
 	switch (status) {
 
 	case 0: 			/* normal completion? */
-		if (ep == dev->out_ep)
+		if (ep == dev->out_ep) {
 			check_read_data (dev, ep, req);
-		else
+			memset (req->buf, 0x55, req->length);
+		} else
 			reinit_write_data (dev, ep, req);
 		break;
 
@@ -626,6 +627,8 @@ source_sink_start_ep (struct usb_ep *ep, gfp_t gfp_flags)
 
 	if (strcmp (ep->name, EP_IN_NAME) == 0)
 		reinit_write_data (ep->driver_data, ep, req);
+	else
+		memset (req->buf, 0x55, req->length);
 
 	status = usb_ep_queue (ep, req, gfp_flags);
 	if (status) {