Merge branch 'origin' into devel-stable

Conflicts:
	arch/arm/mach-mx2/devices.c
	arch/arm/mach-mx2/devices.h
	sound/soc/pxa/pxa-ssp.c

27 files changed, 479 insertions, 230 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index ee411206c69..7460cd797f4 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -812,6 +812,16 @@ config USB_CDC_COMPOSITE
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module.
 
+config USB_G_NOKIA
+	tristate "Nokia composite gadget"
+	depends on PHONET
+	help
+	  The Nokia composite gadget provides support for acm, obex
+	  and phonet in only one composite gadget driver.
+
+	  It's only really useful for N900 hardware. If you're building
+	  a kernel for N900, say Y or M here. If unsure, say N.
+
 config USB_G_MULTI
 	tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
 	depends on BLOCK && NET
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 2e2c047262b..43b51da8d72 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -43,6 +43,7 @@ g_mass_storage-objs		:= mass_storage.o
 g_printer-objs			:= printer.o
 g_cdc-objs			:= cdc2.o
 g_multi-objs			:= multi.o
+g_nokia-objs			:= nokia.o
 
 obj-$(CONFIG_USB_ZERO)		+= g_zero.o
 obj-$(CONFIG_USB_AUDIO)		+= g_audio.o
@@ -55,4 +56,5 @@ obj-$(CONFIG_USB_G_PRINTER)	+= g_printer.o
 obj-$(CONFIG_USB_MIDI_GADGET)	+= g_midi.o
 obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o
 obj-$(CONFIG_USB_G_MULTI)	+= g_multi.o
+obj-$(CONFIG_USB_G_NOKIA)	+= g_nokia.o
 
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 043e04db2a0..12ac9cd32a0 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1656,9 +1656,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
 	if (!res)
 		return -ENXIO;
 
-	if (!request_mem_region(res->start,
-			res->end - res->start + 1,
-			driver_name)) {
+	if (!request_mem_region(res->start, resource_size(res), driver_name)) {
 		DBG("someone's using UDC memory\n");
 		return -EBUSY;
 	}
@@ -1699,7 +1697,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
 		udc->ep[3].maxpacket = 64;
 	}
 
-	udc->udp_baseaddr = ioremap(res->start, res->end - res->start + 1);
+	udc->udp_baseaddr = ioremap(res->start, resource_size(res));
 	if (!udc->udp_baseaddr) {
 		retval = -ENOMEM;
 		goto fail0a;
@@ -1781,7 +1779,7 @@ fail0a:
 	if (cpu_is_at91rm9200())
 		gpio_free(udc->board.pullup_pin);
 fail0:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 	DBG("%s probe failed, %d\n", driver_name, retval);
 	return retval;
 }
@@ -1813,7 +1811,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
 		gpio_free(udc->board.pullup_pin);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 
 	clk_put(udc->iclk);
 	clk_put(udc->fclk);
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 4e970cf0e29..f79bdfe4bed 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -320,7 +320,7 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc)
 static int vbus_is_present(struct usba_udc *udc)
 {
 	if (gpio_is_valid(udc->vbus_pin))
-		return gpio_get_value(udc->vbus_pin);
+		return gpio_get_value(udc->vbus_pin) ^ udc->vbus_pin_inverted;
 
 	/* No Vbus detection: Assume always present */
 	return 1;
@@ -1763,7 +1763,7 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid)
 	if (!udc->driver)
 		goto out;
 
-	vbus = gpio_get_value(udc->vbus_pin);
+	vbus = vbus_is_present(udc);
 	if (vbus != udc->vbus_prev) {
 		if (vbus) {
 			toggle_bias(1);
@@ -1914,14 +1914,14 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 	udc->vbus_pin = -ENODEV;
 
 	ret = -ENOMEM;
-	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	udc->regs = ioremap(regs->start, resource_size(regs));
 	if (!udc->regs) {
 		dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
 		goto err_map_regs;
 	}
 	dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
 		 (unsigned long)regs->start, udc->regs);
-	udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
+	udc->fifo = ioremap(fifo->start, resource_size(fifo));
 	if (!udc->fifo) {
 		dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
 		goto err_map_fifo;
@@ -2000,6 +2000,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 	if (gpio_is_valid(pdata->vbus_pin)) {
 		if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
 			udc->vbus_pin = pdata->vbus_pin;
+			udc->vbus_pin_inverted = pdata->vbus_pin_inverted;
 
 			ret = request_irq(gpio_to_irq(udc->vbus_pin),
 					usba_vbus_irq, 0,
diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
index f7baea307f0..88a2e07a11a 100644
--- a/drivers/usb/gadget/atmel_usba_udc.h
+++ b/drivers/usb/gadget/atmel_usba_udc.h
@@ -323,6 +323,7 @@ struct usba_udc {
 	struct platform_device *pdev;
 	int irq;
 	int vbus_pin;
+	int vbus_pin_inverted;
 	struct clk *pclk;
 	struct clk *hclk;
 
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index cd0914ec898..65a5f94cbc0 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -265,16 +265,24 @@ struct usb_ep * __init usb_ep_autoconfig (
 				return ep;
 		}
 
-	} else if (gadget_is_sh (gadget) && USB_ENDPOINT_XFER_INT == type) {
-		/* single buffering is enough; maybe 8 byte fifo is too */
-		ep = find_ep (gadget, "ep3in-bulk");
-		if (ep && ep_matches (gadget, ep, desc))
-			return ep;
-
-	} else if (gadget_is_mq11xx (gadget) && USB_ENDPOINT_XFER_INT == type) {
-		ep = find_ep (gadget, "ep1-bulk");
+#ifdef CONFIG_BLACKFIN
+	} else if (gadget_is_musbhsfc(gadget) || gadget_is_musbhdrc(gadget)) {
+		if ((USB_ENDPOINT_XFER_BULK == type) ||
+		    (USB_ENDPOINT_XFER_ISOC == type)) {
+			if (USB_DIR_IN & desc->bEndpointAddress)
+				ep = find_ep (gadget, "ep5in");
+			else
+				ep = find_ep (gadget, "ep6out");
+		} else if (USB_ENDPOINT_XFER_INT == type) {
+			if (USB_DIR_IN & desc->bEndpointAddress)
+				ep = find_ep(gadget, "ep1in");
+			else
+				ep = find_ep(gadget, "ep2out");
+		} else
+			ep = NULL;
 		if (ep && ep_matches (gadget, ep, desc))
 			return ep;
+#endif
 	}
 
 	/* Second, look at endpoints until an unclaimed one looks usable */
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 141372b6e7a..400f80372d9 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -259,7 +259,7 @@ static struct usb_configuration rndis_config_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef USB_ETH_EEM
+#ifdef CONFIG_USB_ETH_EEM
 static int use_eem = 1;
 #else
 static int use_eem;
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index d10353d46b8..e49c7325dce 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -702,14 +702,6 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f)
 /* Some controllers can't support CDC ACM ... */
 static inline bool can_support_cdc(struct usb_configuration *c)
 {
-	/* SH3 doesn't support multiple interfaces */
-	if (gadget_is_sh(c->cdev->gadget))
-		return false;
-
-	/* sa1100 doesn't have a third interrupt endpoint */
-	if (gadget_is_sa1100(c->cdev->gadget))
-		return false;
-
 	/* everything else is *probably* fine ... */
 	return true;
 }
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index df77f6131c7..f1e3aad76c3 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -60,7 +60,7 @@ DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
 #define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH + UAC_DT_INPUT_TERMINAL_SIZE \
 	+ UAC_DT_OUTPUT_TERMINAL_SIZE + UAC_DT_FEATURE_UNIT_SIZE(0))
 /* B.3.2  Class-Specific AC Interface Descriptor */
-static struct uac_ac_header_descriptor_2 ac_header_desc = {
+static struct uac_ac_header_descriptor_v1_2 ac_header_desc = {
 	.bLength =		UAC_DT_AC_HEADER_LENGTH,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype =	UAC_HEADER,
@@ -124,7 +124,7 @@ static struct usb_audio_control_selector feature_unit = {
 };
 
 #define OUTPUT_TERMINAL_ID	3
-static struct uac_output_terminal_descriptor output_terminal_desc = {
+static struct uac_output_terminal_descriptor_v1 output_terminal_desc = {
 	.bLength		= UAC_DT_OUTPUT_TERMINAL_SIZE,
 	.bDescriptorType	= USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype	= UAC_OUTPUT_TERMINAL,
@@ -154,7 +154,7 @@ static struct usb_interface_descriptor as_interface_alt_1_desc = {
 };
 
 /* B.4.2  Class-Specific AS Interface Descriptor */
-static struct uac_as_header_descriptor as_header_desc = {
+static struct uac_as_header_descriptor_v1 as_header_desc = {
 	.bLength =		UAC_DT_AS_HEADER_SIZE,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype =	UAC_AS_GENERAL,
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index ecf5bdd0ae0..2fff530efc1 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -497,12 +497,9 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 			struct net_device	*net;
 
 			/* Enable zlps by default for ECM conformance;
-			 * override for musb_hdrc (avoids txdma ovhead)
-			 * and sa1100 (can't).
+			 * override for musb_hdrc (avoids txdma ovhead).
 			 */
-			ecm->port.is_zlp_ok = !(
-				   gadget_is_sa1100(cdev->gadget)
-				|| gadget_is_musbhdrc(cdev->gadget)
+			ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)
 				);
 			ecm->port.cdc_filter = DEFAULT_FILTER;
 			DBG(cdev, "activate ecm\n");
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index a37640eba43..5a3cdd08f1d 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -368,7 +368,7 @@ struct fsg_common {
 	struct task_struct	*thread_task;
 
 	/* Callback function to call when thread exits. */
-	void			(*thread_exits)(struct fsg_common *common);
+	int			(*thread_exits)(struct fsg_common *common);
 	/* Gadget's private data. */
 	void			*private_data;
 
@@ -392,8 +392,12 @@ struct fsg_config {
 	const char		*lun_name_format;
 	const char		*thread_name;
 
-	/* Callback function to call when thread exits. */
-	void			(*thread_exits)(struct fsg_common *common);
+	/* Callback function to call when thread exits.  If no
+	 * callback is set or it returns value lower then zero MSF
+	 * will force eject all LUNs it operates on (including those
+	 * marked as non-removable or with prevent_medium_removal flag
+	 * set). */
+	int			(*thread_exits)(struct fsg_common *common);
 	/* Gadget's private data. */
 	void			*private_data;
 
@@ -614,7 +618,12 @@ static int fsg_setup(struct usb_function *f,
 			return -EDOM;
 		VDBG(fsg, "get max LUN\n");
 		*(u8 *) req->buf = fsg->common->nluns - 1;
-		return 1;
+
+		/* Respond with data/status */
+		req->length = min((u16)1, w_length);
+		fsg->common->ep0req_name =
+			ctrl->bRequestType & USB_DIR_IN ? "ep0-in" : "ep0-out";
+		return ep0_queue(fsg->common);
 	}
 
 	VDBG(fsg,
@@ -1041,7 +1050,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
-	VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+	VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
 }
 
 static int do_verify(struct fsg_common *common)
@@ -2524,14 +2533,6 @@ static void handle_exception(struct fsg_common *common)
 
 	case FSG_STATE_CONFIG_CHANGE:
 		rc = do_set_config(common, new_config);
-		if (common->ep0_req_tag != exception_req_tag)
-			break;
-		if (rc != 0) {			/* STALL on errors */
-			DBG(common, "ep0 set halt\n");
-			usb_ep_set_halt(common->ep0);
-		} else {			/* Complete the status stage */
-			ep0_queue(common);
-		}
 		break;
 
 	case FSG_STATE_EXIT:
@@ -2615,8 +2616,20 @@ static int fsg_main_thread(void *common_)
 	common->thread_task = NULL;
 	spin_unlock_irq(&common->lock);
 
-	if (common->thread_exits)
-		common->thread_exits(common);
+	if (!common->thread_exits || common->thread_exits(common) < 0) {
+		struct fsg_lun *curlun = common->luns;
+		unsigned i = common->nluns;
+
+		down_write(&common->filesem);
+		for (; i--; ++curlun) {
+			if (!fsg_lun_is_open(curlun))
+				continue;
+
+			fsg_lun_close(curlun);
+			curlun->unit_attention_data = SS_MEDIUM_NOT_PRESENT;
+		}
+		up_write(&common->filesem);
+	}
 
 	/* Let the unbind and cleanup routines know the thread has exited */
 	complete_and_exit(&common->thread_notifier, 0);
@@ -2763,10 +2776,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	if (cfg->release != 0xffff) {
 		i = cfg->release;
 	} else {
-		/* The sa1100 controller is not supported */
-		i = gadget_is_sa1100(gadget)
-			? -1
-			: usb_gadget_controller_number(gadget);
+		i = usb_gadget_controller_number(gadget);
 		if (i >= 0) {
 			i = 0x0300 + i;
 		} else {
@@ -2791,8 +2801,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	 * disable stalls.
 	 */
 	common->can_stall = cfg->can_stall &&
-		!(gadget_is_sh(common->gadget) ||
-		  gadget_is_at91(common->gadget));
+		!(gadget_is_at91(common->gadget));
 
 
 	spin_lock_init(&common->lock);
@@ -2852,7 +2861,6 @@ error_release:
 	/* Call fsg_common_release() directly, ref might be not
 	 * initialised */
 	fsg_common_release(&common->ref);
-	complete(&common->thread_notifier);
 	return ERR_PTR(rc);
 }
 
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 95dae4c1ea4..a30e60c7f12 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -769,10 +769,6 @@ rndis_unbind(struct usb_configuration *c, struct usb_function *f)
 /* Some controllers can't support RNDIS ... */
 static inline bool can_support_rndis(struct usb_configuration *c)
 {
-	/* only two endpoints on sa1100 */
-	if (gadget_is_sa1100(c->cdev->gadget))
-		return false;
-
 	/* everything else is *presumably* fine */
 	return true;
 }
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 29dfb0277ff..b49d86e3e45 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1448,7 +1448,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
-	VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+	VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
 }
 
 static int do_verify(struct fsg_dev *fsg)
@@ -3208,15 +3208,11 @@ static int __init check_parameters(struct fsg_dev *fsg)
 	 * halt bulk endpoints correctly.  If one of them is present,
 	 * disable stalls.
 	 */
-	if (gadget_is_sh(fsg->gadget) || gadget_is_at91(fsg->gadget))
+	if (gadget_is_at91(fsg->gadget))
 		mod_data.can_stall = 0;
 
 	if (mod_data.release == 0xffff) {	// Parameter wasn't set
-		/* The sa1100 controller is not supported */
-		if (gadget_is_sa1100(fsg->gadget))
-			gcnum = -1;
-		else
-			gcnum = usb_gadget_controller_number(fsg->gadget);
+		gcnum = usb_gadget_controller_number(fsg->gadget);
 		if (gcnum >= 0)
 			mod_data.release = 0x0300 + gcnum;
 		else {
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 7881f12413c..3537d51073b 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2749,7 +2749,7 @@ static int __devexit qe_udc_remove(struct of_device *ofdev)
 }
 
 /*-------------------------------------------------------------------------*/
-static struct of_device_id __devinitdata qe_udc_match[] = {
+static const struct of_device_id qe_udc_match[] __devinitconst = {
 	{
 		.compatible = "fsl,mpc8323-qe-usb",
 		.data = (void *)PORT_QE,
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index f2d270b202f..1edbc12fff1 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -45,46 +45,18 @@
 #define	gadget_is_goku(g)	0
 #endif
 
-/* SH3 UDC -- not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_SUPERH
-#define	gadget_is_sh(g)		!strcmp("sh_udc", (g)->name)
-#else
-#define	gadget_is_sh(g)		0
-#endif
-
-/* not yet stable on 2.6 (would help "original Zaurus") */
-#ifdef CONFIG_USB_GADGET_SA1100
-#define	gadget_is_sa1100(g)	!strcmp("sa1100_udc", (g)->name)
-#else
-#define	gadget_is_sa1100(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_LH7A40X
 #define	gadget_is_lh7a40x(g)	!strcmp("lh7a40x_udc", (g)->name)
 #else
 #define	gadget_is_lh7a40x(g)	0
 #endif
 
-/* handhelds.org tree (?) */
-#ifdef CONFIG_USB_GADGET_MQ11XX
-#define	gadget_is_mq11xx(g)	!strcmp("mq11xx_udc", (g)->name)
-#else
-#define	gadget_is_mq11xx(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_OMAP
 #define	gadget_is_omap(g)	!strcmp("omap_udc", (g)->name)
 #else
 #define	gadget_is_omap(g)	0
 #endif
 
-/* not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_N9604
-#define	gadget_is_n9604(g)	!strcmp("n9604_udc", (g)->name)
-#else
-#define	gadget_is_n9604(g)	0
-#endif
-
 /* various unstable versions available */
 #ifdef CONFIG_USB_GADGET_PXA27X
 #define	gadget_is_pxa27x(g)	!strcmp("pxa27x_udc", (g)->name)
@@ -122,14 +94,6 @@
 #define gadget_is_fsl_usb2(g)	0
 #endif
 
-/* Mentor high speed function controller */
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MUSBHSFC
-#define gadget_is_musbhsfc(g)	!strcmp("musbhsfc_udc", (g)->name)
-#else
-#define gadget_is_musbhsfc(g)	0
-#endif
-
 /* 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)
@@ -143,13 +107,6 @@
 #define gadget_is_langwell(g)	0
 #endif
 
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MPC8272
-#define gadget_is_mpc8272(g)	!strcmp("mpc8272_udc", (g)->name)
-#else
-#define gadget_is_mpc8272(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_M66592
 #define	gadget_is_m66592(g)	!strcmp("m66592_udc", (g)->name)
 #else
@@ -203,20 +160,12 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x02;
 	else if (gadget_is_pxa(gadget))
 		return 0x03;
-	else if (gadget_is_sh(gadget))
-		return 0x04;
-	else if (gadget_is_sa1100(gadget))
-		return 0x05;
 	else if (gadget_is_goku(gadget))
 		return 0x06;
-	else if (gadget_is_mq11xx(gadget))
-		return 0x07;
 	else if (gadget_is_omap(gadget))
 		return 0x08;
 	else if (gadget_is_lh7a40x(gadget))
 		return 0x09;
-	else if (gadget_is_n9604(gadget))
-		return 0x10;
 	else if (gadget_is_pxa27x(gadget))
 		return 0x11;
 	else if (gadget_is_s3c2410(gadget))
@@ -225,12 +174,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x13;
 	else if (gadget_is_imx(gadget))
 		return 0x14;
-	else if (gadget_is_musbhsfc(gadget))
-		return 0x15;
 	else if (gadget_is_musbhdrc(gadget))
 		return 0x16;
-	else if (gadget_is_mpc8272(gadget))
-		return 0x17;
 	else if (gadget_is_atmel_usba(gadget))
 		return 0x18;
 	else if (gadget_is_fsl_usb2(gadget))
@@ -265,10 +210,6 @@ static inline bool gadget_supports_altsettings(struct usb_gadget *gadget)
 	if (gadget_is_pxa27x(gadget))
 		return false;
 
-	/* SH3 hardware just doesn't do altsettings */
-	if (gadget_is_sh(gadget))
-		return false;
-
 	/* Everything else is *presumably* fine ... */
 	return true;
 }
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index d0b1e836f0e..04f6224b7e0 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -237,7 +237,7 @@ static const struct usb_interface_descriptor ac_interface_desc = {
 };
 
 /* B.3.2  Class-Specific AC Interface Descriptor */
-static const struct uac_ac_header_descriptor_1 ac_header_desc = {
+static const struct uac_ac_header_descriptor_v1_1 ac_header_desc = {
 	.bLength =		UAC_DT_AC_HEADER_SIZE(1),
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubtype =	USB_MS_HEADER,
@@ -618,11 +618,6 @@ gmidi_set_config(struct gmidi_device *dev, unsigned number, gfp_t gfp_flags)
 	}
 #endif
 
-	if (gadget_is_sa1100(gadget) && dev->config) {
-		/* tx fifo is full, but we can't clear it...*/
-		ERROR(dev, "can't change configurations\n");
-		return -ESPIPE;
-	}
 	gmidi_reset_config(dev);
 
 	switch (number) {
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 112bb40a427..e8edc640381 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1859,7 +1859,7 @@ done:
 
 /*-------------------------------------------------------------------------*/
 
-static struct pci_device_id pci_ids [] = { {
+static const struct pci_device_id pci_ids[] = { {
 	.class =	((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
 	.class_mask =	~0,
 	.vendor =	0x102f,		/* Toshiba */
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index bf0f6520c6d..de8a8380350 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -194,7 +194,7 @@ enum ep_state {
 };
 
 struct ep_data {
-	struct semaphore		lock;
+	struct mutex			lock;
 	enum ep_state			state;
 	atomic_t			count;
 	struct dev_data			*dev;
@@ -298,10 +298,10 @@ get_ready_ep (unsigned f_flags, struct ep_data *epdata)
 	int	val;
 
 	if (f_flags & O_NONBLOCK) {
-		if (down_trylock (&epdata->lock) != 0)
+		if (!mutex_trylock(&epdata->lock))
 			goto nonblock;
 		if (epdata->state != STATE_EP_ENABLED) {
-			up (&epdata->lock);
+			mutex_unlock(&epdata->lock);
 nonblock:
 			val = -EAGAIN;
 		} else
@@ -309,7 +309,8 @@ nonblock:
 		return val;
 	}
 
-	if ((val = down_interruptible (&epdata->lock)) < 0)
+	val = mutex_lock_interruptible(&epdata->lock);
+	if (val < 0)
 		return val;
 
 	switch (epdata->state) {
@@ -323,7 +324,7 @@ nonblock:
 		// FALLTHROUGH
 	case STATE_EP_UNBOUND:			/* clean disconnect */
 		val = -ENODEV;
-		up (&epdata->lock);
+		mutex_unlock(&epdata->lock);
 	}
 	return val;
 }
@@ -393,7 +394,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 		if (likely (data->ep != NULL))
 			usb_ep_set_halt (data->ep);
 		spin_unlock_irq (&data->dev->lock);
-		up (&data->lock);
+		mutex_unlock(&data->lock);
 		return -EBADMSG;
 	}
 
@@ -411,7 +412,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 		value = -EFAULT;
 
 free1:
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	kfree (kbuf);
 	return value;
 }
@@ -436,7 +437,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 		if (likely (data->ep != NULL))
 			usb_ep_set_halt (data->ep);
 		spin_unlock_irq (&data->dev->lock);
-		up (&data->lock);
+		mutex_unlock(&data->lock);
 		return -EBADMSG;
 	}
 
@@ -455,7 +456,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	VDEBUG (data->dev, "%s write %zu IN, status %d\n",
 		data->name, len, (int) value);
 free1:
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	kfree (kbuf);
 	return value;
 }
@@ -466,7 +467,8 @@ ep_release (struct inode *inode, struct file *fd)
 	struct ep_data		*data = fd->private_data;
 	int value;
 
-	if ((value = down_interruptible(&data->lock)) < 0)
+	value = mutex_lock_interruptible(&data->lock);
+	if (value < 0)
 		return value;
 
 	/* clean up if this can be reopened */
@@ -476,7 +478,7 @@ ep_release (struct inode *inode, struct file *fd)
 		data->hs_desc.bDescriptorType = 0;
 		usb_ep_disable(data->ep);
 	}
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	put_ep (data);
 	return 0;
 }
@@ -507,7 +509,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value)
 	} else
 		status = -ENODEV;
 	spin_unlock_irq (&data->dev->lock);
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return status;
 }
 
@@ -673,7 +675,7 @@ fail:
 		value = -ENODEV;
 	spin_unlock_irq(&epdata->dev->lock);
 
-	up(&epdata->lock);
+	mutex_unlock(&epdata->lock);
 
 	if (unlikely(value)) {
 		kfree(priv);
@@ -765,7 +767,8 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	u32			tag;
 	int			value, length = len;
 
-	if ((value = down_interruptible (&data->lock)) < 0)
+	value = mutex_lock_interruptible(&data->lock);
+	if (value < 0)
 		return value;
 
 	if (data->state != STATE_EP_READY) {
@@ -854,7 +857,7 @@ fail:
 		data->desc.bDescriptorType = 0;
 		data->hs_desc.bDescriptorType = 0;
 	}
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return value;
 fail0:
 	value = -EINVAL;
@@ -870,7 +873,7 @@ ep_open (struct inode *inode, struct file *fd)
 	struct ep_data		*data = inode->i_private;
 	int			value = -EBUSY;
 
-	if (down_interruptible (&data->lock) != 0)
+	if (mutex_lock_interruptible(&data->lock) != 0)
 		return -EINTR;
 	spin_lock_irq (&data->dev->lock);
 	if (data->dev->state == STATE_DEV_UNBOUND)
@@ -885,7 +888,7 @@ ep_open (struct inode *inode, struct file *fd)
 		DBG (data->dev, "%s state %d\n",
 			data->name, data->state);
 	spin_unlock_irq (&data->dev->lock);
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return value;
 }
 
@@ -1631,7 +1634,7 @@ static int activate_ep_files (struct dev_data *dev)
 		if (!data)
 			goto enomem0;
 		data->state = STATE_EP_DISABLED;
-		init_MUTEX (&data->lock);
+		mutex_init(&data->lock);
 		init_waitqueue_head (&data->wait);
 
 		strncpy (data->name, ep->name, sizeof (data->name) - 1);
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index 19619fbf20a..705cc1f7632 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -135,6 +135,12 @@ FSG_MODULE_PARAMETERS(/* no prefix */, mod_data);
 static unsigned long msg_registered = 0;
 static void msg_cleanup(void);
 
+static int msg_thread_exits(struct fsg_common *common)
+{
+	msg_cleanup();
+	return 0;
+}
+
 static int __init msg_do_config(struct usb_configuration *c)
 {
 	struct fsg_common *common;
@@ -147,7 +153,7 @@ static int __init msg_do_config(struct usb_configuration *c)
 	}
 
 	fsg_config_from_params(&config, &mod_data);
-	config.thread_exits = (void(*)(struct fsg_common*))&msg_cleanup;
+	config.thread_exits = msg_thread_exits;
 	common = fsg_common_init(0, c->cdev, &config);
 	if (IS_ERR(common))
 		return PTR_ERR(common);
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
new file mode 100644
index 00000000000..7d6b66a8572
--- /dev/null
+++ b/drivers/usb/gadget/nokia.c
@@ -0,0 +1,259 @@
+/*
+ * nokia.c -- Nokia Composite Gadget Driver
+ *
+ * Copyright (C) 2008-2010 Nokia Corporation
+ * Contact: Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * This gadget driver borrows from serial.c which is:
+ *
+ * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
+ * Copyright (C) 2008 by David Brownell
+ * Copyright (C) 2008 by Nokia Corporation
+ *
+ * This software is distributed under the terms of the GNU General
+ * Public License ("GPL") as published by the Free Software Foundation,
+ * version 2 of that License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include "u_serial.h"
+#include "u_ether.h"
+#include "u_phonet.h"
+#include "gadget_chips.h"
+
+/* Defines */
+
+#define NOKIA_VERSION_NUM		0x0211
+#define NOKIA_LONG_NAME			"N900 (PC-Suite Mode)"
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "u_serial.c"
+#include "f_acm.c"
+#include "f_ecm.c"
+#include "f_obex.c"
+#include "f_serial.c"
+#include "f_phonet.c"
+#include "u_ether.c"
+
+/*-------------------------------------------------------------------------*/
+
+#define NOKIA_VENDOR_ID			0x0421	/* Nokia */
+#define NOKIA_PRODUCT_ID		0x01c8	/* Nokia Gadget */
+
+/* string IDs are assigned dynamically */
+
+#define STRING_MANUFACTURER_IDX		0
+#define STRING_PRODUCT_IDX		1
+#define STRING_DESCRIPTION_IDX		2
+
+static char manufacturer_nokia[] = "Nokia";
+static const char product_nokia[] = NOKIA_LONG_NAME;
+static const char description_nokia[] = "PC-Suite Configuration";
+
+static struct usb_string strings_dev[] = {
+	[STRING_MANUFACTURER_IDX].s = manufacturer_nokia,
+	[STRING_PRODUCT_IDX].s = NOKIA_LONG_NAME,
+	[STRING_DESCRIPTION_IDX].s = description_nokia,
+	{  } /* end of list */
+};
+
+static struct usb_gadget_strings stringtab_dev = {
+	.language	= 0x0409,	/* en-us */
+	.strings	= strings_dev,
+};
+
+static struct usb_gadget_strings *dev_strings[] = {
+	&stringtab_dev,
+	NULL,
+};
+
+static struct usb_device_descriptor device_desc = {
+	.bLength		= USB_DT_DEVICE_SIZE,
+	.bDescriptorType	= USB_DT_DEVICE,
+	.bcdUSB			= __constant_cpu_to_le16(0x0200),
+	.bDeviceClass		= USB_CLASS_COMM,
+	.idVendor		= __constant_cpu_to_le16(NOKIA_VENDOR_ID),
+	.idProduct		= __constant_cpu_to_le16(NOKIA_PRODUCT_ID),
+	/* .iManufacturer = DYNAMIC */
+	/* .iProduct = DYNAMIC */
+	.bNumConfigurations =	1,
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Module */
+MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
+MODULE_AUTHOR("Felipe Balbi");
+MODULE_LICENSE("GPL");
+
+/*-------------------------------------------------------------------------*/
+
+static u8 hostaddr[ETH_ALEN];
+
+static int __init nokia_bind_config(struct usb_configuration *c)
+{
+	int status = 0;
+
+	status = phonet_bind_config(c);
+	if (status)
+		printk(KERN_DEBUG "could not bind phonet config\n");
+
+	status = obex_bind_config(c, 0);
+	if (status)
+		printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+	status = obex_bind_config(c, 1);
+	if (status)
+		printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+	status = acm_bind_config(c, 2);
+	if (status)
+		printk(KERN_DEBUG "could not bind acm config\n");
+
+	status = ecm_bind_config(c, hostaddr);
+	if (status)
+		printk(KERN_DEBUG "could not bind ecm config\n");
+
+	return status;
+}
+
+static struct usb_configuration nokia_config_500ma_driver = {
+	.label		= "Bus Powered",
+	.bind		= nokia_bind_config,
+	.bConfigurationValue = 1,
+	/* .iConfiguration = DYNAMIC */
+	.bmAttributes	= USB_CONFIG_ATT_ONE,
+	.bMaxPower	= 250, /* 500mA */
+};
+
+static struct usb_configuration nokia_config_100ma_driver = {
+	.label		= "Self Powered",
+	.bind		= nokia_bind_config,
+	.bConfigurationValue = 2,
+	/* .iConfiguration = DYNAMIC */
+	.bmAttributes	= USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
+	.bMaxPower	= 50, /* 100 mA */
+};
+
+static int __init nokia_bind(struct usb_composite_dev *cdev)
+{
+	int			gcnum;
+	struct usb_gadget	*gadget = cdev->gadget;
+	int			status;
+
+	status = gphonet_setup(cdev->gadget);
+	if (status < 0)
+		goto err_phonet;
+
+	status = gserial_setup(cdev->gadget, 3);
+	if (status < 0)
+		goto err_serial;
+
+	status = gether_setup(cdev->gadget, hostaddr);
+	if (status < 0)
+		goto err_ether;
+
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_MANUFACTURER_IDX].id = status;
+
+	device_desc.iManufacturer = status;
+
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_PRODUCT_IDX].id = status;
+
+	device_desc.iProduct = status;
+
+	/* config description */
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_DESCRIPTION_IDX].id = status;
+
+	nokia_config_500ma_driver.iConfiguration = status;
+	nokia_config_100ma_driver.iConfiguration = status;
+
+	/* set up other descriptors */
+	gcnum = usb_gadget_controller_number(gadget);
+	if (gcnum >= 0)
+		device_desc.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM);
+	else {
+		/* this should only work with hw that supports altsettings
+		 * and several endpoints, anything else, panic.
+		 */
+		pr_err("nokia_bind: controller '%s' not recognized\n",
+			gadget->name);
+		goto err_usb;
+	}
+
+	/* finaly register the configuration */
+	status = usb_add_config(cdev, &nokia_config_500ma_driver);
+	if (status < 0)
+		goto err_usb;
+
+	status = usb_add_config(cdev, &nokia_config_100ma_driver);
+	if (status < 0)
+		goto err_usb;
+
+	dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
+
+	return 0;
+
+err_usb:
+	gether_cleanup();
+err_ether:
+	gserial_cleanup();
+err_serial:
+	gphonet_cleanup();
+err_phonet:
+	return status;
+}
+
+static int __exit nokia_unbind(struct usb_composite_dev *cdev)
+{
+	gphonet_cleanup();
+	gserial_cleanup();
+	gether_cleanup();
+
+	return 0;
+}
+
+static struct usb_composite_driver nokia_driver = {
+	.name		= "g_nokia",
+	.dev		= &device_desc,
+	.strings	= dev_strings,
+	.bind		= nokia_bind,
+	.unbind		= __exit_p(nokia_unbind),
+};
+
+static int __init nokia_init(void)
+{
+	return usb_composite_register(&nokia_driver);
+}
+module_init(nokia_init);
+
+static void __exit nokia_cleanup(void)
+{
+	usb_composite_unregister(&nokia_driver);
+}
+module_exit(nokia_cleanup);
+
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2d867fd2241..6b8bf8c781c 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -949,12 +949,6 @@ printer_set_config(struct printer_dev *dev, unsigned number)
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
 
-	if (gadget_is_sa1100(gadget) && dev->config) {
-		/* tx fifo is full, but we can't clear it...*/
-		INFO(dev, "can't change configurations\n");
-		return -ESPIPE;
-	}
-
 	switch (number) {
 	case DEV_CONFIG_VALUE:
 		result = 0;
@@ -1033,12 +1027,6 @@ set_interface(struct printer_dev *dev, unsigned number)
 {
 	int			result = 0;
 
-	if (gadget_is_sa1100(dev->gadget) && dev->interface < 0) {
-		/* tx fifo is full, but we can't clear it...*/
-		INFO(dev, "can't change interfaces\n");
-		return -ESPIPE;
-	}
-
 	/* Free the current interface */
 	switch (dev->interface) {
 	case PRINTER_INTERFACE:
@@ -1392,12 +1380,6 @@ printer_bind(struct usb_gadget *gadget)
 		goto fail;
 	}
 
-	if (gadget_is_sa1100(gadget)) {
-		/* hardware can't write zero length packets. */
-		ERROR(dev, "SA1100 controller is unsupport by this driver\n");
-		goto fail;
-	}
-
 	gcnum = usb_gadget_controller_number(gadget);
 	if (gcnum >= 0) {
 		device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index adda1208a1e..05b892c3d68 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -742,13 +742,17 @@ static void ep_del_request(struct pxa_ep *ep, struct pxa27x_request *req)
  * @ep: pxa physical endpoint
  * @req: pxa request
  * @status: usb request status sent to gadget API
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held if flags not NULL, else ep->lock released
  *
  * Retire a pxa27x usb request. Endpoint must be locked.
  */
-static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
+static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status,
+	unsigned long *pflags)
 {
+	unsigned long	flags;
+
 	ep_del_request(ep, req);
 	if (likely(req->req.status == -EINPROGRESS))
 		req->req.status = status;
@@ -760,38 +764,48 @@ static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
 			&req->req, status,
 			req->req.actual, req->req.length);
 
+	if (pflags)
+		spin_unlock_irqrestore(&ep->lock, *pflags);
+	local_irq_save(flags);
 	req->req.complete(&req->udc_usb_ep->usb_ep, &req->req);
+	local_irq_restore(flags);
+	if (pflags)
+		spin_lock_irqsave(&ep->lock, *pflags);
 }
 
 /**
  * ep_end_out_req - Ends endpoint OUT request
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends endpoint OUT request (completes usb request).
  */
-static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	inc_ep_stats_reqs(ep, !USB_DIR_IN);
-	req_done(ep, req, 0);
+	req_done(ep, req, 0, pflags);
 }
 
 /**
  * ep0_end_out_req - Ends control endpoint OUT request (ends data stage)
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends control endpoint OUT request (completes usb request), and puts
  * control endpoint into idle state
  */
-static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	set_ep0state(ep->dev, OUT_STATUS_STAGE);
-	ep_end_out_req(ep, req);
+	ep_end_out_req(ep, req, pflags);
 	ep0_idle(ep->dev);
 }
 
@@ -799,31 +813,35 @@ static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
  * ep_end_in_req - Ends endpoint IN request
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends endpoint IN request (completes usb request).
  */
-static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	inc_ep_stats_reqs(ep, USB_DIR_IN);
-	req_done(ep, req, 0);
+	req_done(ep, req, 0, pflags);
 }
 
 /**
  * ep0_end_in_req - Ends control endpoint IN request (ends data stage)
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends control endpoint IN request (completes usb request), and puts
  * control endpoint into status state
  */
-static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	set_ep0state(ep->dev, IN_STATUS_STAGE);
-	ep_end_in_req(ep, req);
+	ep_end_in_req(ep, req, pflags);
 }
 
 /**
@@ -831,19 +849,22 @@ static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
  * @ep: pxa endpoint
  * @status: usb request status
  *
- * Context: ep->lock held
+ * Context: ep->lock released
  *
  * Dequeues all requests on an endpoint. As a side effect, interrupts will be
  * disabled on that endpoint (because no more requests).
  */
 static void nuke(struct pxa_ep *ep, int status)
 {
-	struct pxa27x_request *req;
+	struct pxa27x_request	*req;
+	unsigned long		flags;
 
+	spin_lock_irqsave(&ep->lock, flags);
 	while (!list_empty(&ep->queue)) {
 		req = list_entry(ep->queue.next, struct pxa27x_request, queue);
-		req_done(ep, req, status);
+		req_done(ep, req, status, &flags);
 	}
+	spin_unlock_irqrestore(&ep->lock, flags);
 }
 
 /**
@@ -1123,6 +1144,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	int			rc = 0;
 	int			is_first_req;
 	unsigned		length;
+	int			recursion_detected;
 
 	req = container_of(_req, struct pxa27x_request, req);
 	udc_usb_ep = container_of(_ep, struct udc_usb_ep, usb_ep);
@@ -1152,6 +1174,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 		return -EMSGSIZE;
 
 	spin_lock_irqsave(&ep->lock, flags);
+	recursion_detected = ep->in_handle_ep;
 
 	is_first_req = list_empty(&ep->queue);
 	ep_dbg(ep, "queue req %p(first=%s), len %d buf %p\n",
@@ -1161,12 +1184,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	if (!ep->enabled) {
 		_req->status = -ESHUTDOWN;
 		rc = -ESHUTDOWN;
-		goto out;
+		goto out_locked;
 	}
 
 	if (req->in_use) {
 		ep_err(ep, "refusing to queue req %p (already queued)\n", req);
-		goto out;
+		goto out_locked;
 	}
 
 	length = _req->length;
@@ -1174,12 +1197,13 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	_req->actual = 0;
 
 	ep_add_request(ep, req);
+	spin_unlock_irqrestore(&ep->lock, flags);
 
 	if (is_ep0(ep)) {
 		switch (dev->ep0state) {
 		case WAIT_ACK_SET_CONF_INTERF:
 			if (length == 0) {
-				ep_end_in_req(ep, req);
+				ep_end_in_req(ep, req, NULL);
 			} else {
 				ep_err(ep, "got a request of %d bytes while"
 					"in state WAIT_ACK_SET_CONF_INTERF\n",
@@ -1192,12 +1216,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 		case IN_DATA_STAGE:
 			if (!ep_is_full(ep))
 				if (write_ep0_fifo(ep, req))
-					ep0_end_in_req(ep, req);
+					ep0_end_in_req(ep, req, NULL);
 			break;
 		case OUT_DATA_STAGE:
 			if ((length == 0) || !epout_has_pkt(ep))
 				if (read_ep0_fifo(ep, req))
-					ep0_end_out_req(ep, req);
+					ep0_end_out_req(ep, req, NULL);
 			break;
 		default:
 			ep_err(ep, "odd state %s to send me a request\n",
@@ -1207,12 +1231,15 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 			break;
 		}
 	} else {
-		handle_ep(ep);
+		if (!recursion_detected)
+			handle_ep(ep);
 	}
 
 out:
-	spin_unlock_irqrestore(&ep->lock, flags);
 	return rc;
+out_locked:
+	spin_unlock_irqrestore(&ep->lock, flags);
+	goto out;
 }
 
 /**
@@ -1242,13 +1269,14 @@ static int pxa_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 	/* make sure it's actually queued on this endpoint */
 	list_for_each_entry(req, &ep->queue, queue) {
 		if (&req->req == _req) {
-			req_done(ep, req, -ECONNRESET);
 			rc = 0;
 			break;
 		}
 	}
 
 	spin_unlock_irqrestore(&ep->lock, flags);
+	if (!rc)
+		req_done(ep, req, -ECONNRESET, NULL);
 	return rc;
 }
 
@@ -1445,7 +1473,6 @@ static int pxa_ep_disable(struct usb_ep *_ep)
 {
 	struct pxa_ep		*ep;
 	struct udc_usb_ep	*udc_usb_ep;
-	unsigned long		flags;
 
 	if (!_ep)
 		return -EINVAL;
@@ -1455,10 +1482,8 @@ static int pxa_ep_disable(struct usb_ep *_ep)
 	if (!ep || is_ep0(ep) || !list_empty(&ep->queue))
 		return -EINVAL;
 
-	spin_lock_irqsave(&ep->lock, flags);
 	ep->enabled = 0;
 	nuke(ep, -ESHUTDOWN);
-	spin_unlock_irqrestore(&ep->lock, flags);
 
 	pxa_ep_fifo_flush(_ep);
 	udc_usb_ep->pxa_ep = NULL;
@@ -1907,8 +1932,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
 	} u;
 	int i;
 	int have_extrabytes = 0;
+	unsigned long flags;
 
 	nuke(ep, -EPROTO);
+	spin_lock_irqsave(&ep->lock, flags);
 
 	/*
 	 * In the PXA320 manual, in the section about Back-to-Back setup
@@ -1947,10 +1974,13 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
 	/* Tell UDC to enter Data Stage */
 	ep_write_UDCCSR(ep, UDCCSR0_SA | UDCCSR0_OPC);
 
+	spin_unlock_irqrestore(&ep->lock, flags);
 	i = udc->driver->setup(&udc->gadget, &u.r);
+	spin_lock_irqsave(&ep->lock, flags);
 	if (i < 0)
 		goto stall;
 out:
+	spin_unlock_irqrestore(&ep->lock, flags);
 	return;
 stall:
 	ep_dbg(ep, "protocol STALL, udccsr0=%03x err %d\n",
@@ -2055,13 +2085,13 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
 		if (req && !ep_is_full(ep))
 			completed = write_ep0_fifo(ep, req);
 		if (completed)
-			ep0_end_in_req(ep, req);
+			ep0_end_in_req(ep, req, NULL);
 		break;
 	case OUT_DATA_STAGE:			/* SET_DESCRIPTOR */
 		if (epout_has_pkt(ep) && req)
 			completed = read_ep0_fifo(ep, req);
 		if (completed)
-			ep0_end_out_req(ep, req);
+			ep0_end_out_req(ep, req, NULL);
 		break;
 	case STALL:
 		ep_write_UDCCSR(ep, UDCCSR0_FST);
@@ -2091,7 +2121,7 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
  * Tries to transfer all pending request data into the endpoint and/or
  * transfer all pending data in the endpoint into usb requests.
  *
- * Is always called when in_interrupt() or with ep->lock held.
+ * Is always called when in_interrupt() and with ep->lock released.
  */
 static void handle_ep(struct pxa_ep *ep)
 {
@@ -2100,10 +2130,17 @@ static void handle_ep(struct pxa_ep *ep)
 	u32 udccsr;
 	int is_in = ep->dir_in;
 	int loop = 0;
+	unsigned long		flags;
+
+	spin_lock_irqsave(&ep->lock, flags);
+	if (ep->in_handle_ep)
+		goto recursion_detected;
+	ep->in_handle_ep = 1;
 
 	do {
 		completed = 0;
 		udccsr = udc_ep_readl(ep, UDCCSR);
+
 		if (likely(!list_empty(&ep->queue)))
 			req = list_entry(ep->queue.next,
 					struct pxa27x_request, queue);
@@ -2122,15 +2159,22 @@ static void handle_ep(struct pxa_ep *ep)
 		if (unlikely(is_in)) {
 			if (likely(!ep_is_full(ep)))
 				completed = write_fifo(ep, req);
-			if (completed)
-				ep_end_in_req(ep, req);
 		} else {
 			if (likely(epout_has_pkt(ep)))
 				completed = read_fifo(ep, req);
-			if (completed)
-				ep_end_out_req(ep, req);
+		}
+
+		if (completed) {
+			if (is_in)
+				ep_end_in_req(ep, req, &flags);
+			else
+				ep_end_out_req(ep, req, &flags);
 		}
 	} while (completed);
+
+	ep->in_handle_ep = 0;
+recursion_detected:
+	spin_unlock_irqrestore(&ep->lock, flags);
 }
 
 /**
@@ -2218,9 +2262,13 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
 			continue;
 
 		udc_writel(udc, UDCISR0, UDCISR_INT(i, UDCISR_INT_MASK));
-		ep = &udc->pxa_ep[i];
-		ep->stats.irqs++;
-		handle_ep(ep);
+
+		WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+		if (i < ARRAY_SIZE(udc->pxa_ep)) {
+			ep = &udc->pxa_ep[i];
+			ep->stats.irqs++;
+			handle_ep(ep);
+		}
 	}
 
 	for (i = 16; udcisr1 != 0 && i < 24; udcisr1 >>= 2, i++) {
@@ -2228,9 +2276,12 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
 		if (!(udcisr1 & UDCISR_INT_MASK))
 			continue;
 
-		ep = &udc->pxa_ep[i];
-		ep->stats.irqs++;
-		handle_ep(ep);
+		WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+		if (i < ARRAY_SIZE(udc->pxa_ep)) {
+			ep = &udc->pxa_ep[i];
+			ep->stats.irqs++;
+			handle_ep(ep);
+		}
 	}
 
 }
@@ -2439,7 +2490,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
 	}
 
 	retval = -ENOMEM;
-	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	udc->regs = ioremap(regs->start, resource_size(regs));
 	if (!udc->regs) {
 		dev_err(&pdev->dev, "Unable to map UDC I/O memory\n");
 		goto err_map;
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index e25225e2658..ff61e4866e8 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -318,6 +318,11 @@ struct udc_usb_ep {
  * @queue: requests queue
  * @lock: lock to pxa_ep data (queues and stats)
  * @enabled: true when endpoint enabled (not stopped by gadget layer)
+ * @in_handle_ep: number of recursions of handle_ep() function
+ * 	Prevents deadlocks or infinite recursions of types :
+ *	  irq->handle_ep()->req_done()->req.complete()->pxa_ep_queue()->handle_ep()
+ *      or
+ *        pxa_ep_queue()->handle_ep()->req_done()->req.complete()->pxa_ep_queue()
  * @idx: endpoint index (1 => epA, 2 => epB, ..., 24 => epX)
  * @name: endpoint name (for trace/debug purpose)
  * @dir_in: 1 if IN endpoint, 0 if OUT endpoint
@@ -346,6 +351,7 @@ struct pxa_ep {
 	spinlock_t		lock;		/* Protects this structure */
 						/* (queues, stats) */
 	unsigned		enabled:1;
+	unsigned		in_handle_ep:1;
 
 	unsigned		idx:5;
 	char			*name;
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 9941fc61341..f742c8e7397 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -317,7 +317,8 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg)
  *
  * Allocate a new USB request structure appropriate for the specified endpoint
  */
-struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags)
+static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep,
+						      gfp_t flags)
 {
 	struct s3c_hsotg_req *req;
 
@@ -373,7 +374,7 @@ static void s3c_hsotg_unmap_dma(struct s3c_hsotg *hsotg,
 		req->dma = DMA_ADDR_INVALID;
 		hs_req->mapped = 0;
 	} else {
-		dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+		dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
 	}
 }
 
@@ -755,7 +756,7 @@ static int s3c_hsotg_map_dma(struct s3c_hsotg *hsotg,
 		hs_req->mapped = 1;
 		req->dma = dma;
 	} else {
-		dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+		dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
 		hs_req->mapped = 0;
 	}
 
@@ -1460,7 +1461,7 @@ static u32 s3c_hsotg_read_frameno(struct s3c_hsotg *hsotg)
  * as the actual data should be sent to the memory directly and we turn
  * on the completion interrupts to get notifications of transfer completion.
  */
-void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
+static void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
 {
 	u32 grxstsr = readl(hsotg->regs + S3C_GRXSTSP);
 	u32 epnum, status, size;
@@ -3094,7 +3095,7 @@ static void s3c_hsotg_gate(struct platform_device *pdev, bool on)
 	local_irq_restore(flags);
 }
 
-struct s3c_hsotg_plat s3c_hsotg_default_pdata;
+static struct s3c_hsotg_plat s3c_hsotg_default_pdata;
 
 static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
 {
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2fc02bd9584..84ca195c2d1 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -746,6 +746,10 @@ static const struct net_device_ops eth_netdev_ops = {
 	.ndo_validate_addr	= eth_validate_addr,
 };
 
+static struct device_type gadget_type = {
+	.name	= "gadget",
+};
+
 /**
  * gether_setup - initialize one ethernet-over-usb link
  * @g: gadget to associated with these links
@@ -808,6 +812,7 @@ int __init gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN])
 
 	dev->gadget = g;
 	SET_NETDEV_DEV(net, &g->dev);
+	SET_NETDEV_DEVTYPE(net, &gadget_type);
 
 	status = register_netdev(net);
 	if (status < 0) {
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index fd55f450bc0..3c8c0c9f9d7 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -93,13 +93,6 @@ static inline bool can_support_ecm(struct usb_gadget *gadget)
 	if (!gadget_supports_altsettings(gadget))
 		return false;
 
-	/* SA1100 can do ECM, *without* status endpoint ... but we'll
-	 * only use it in non-ECM mode for backwards compatibility
-	 * (and since we currently require a status endpoint)
-	 */
-	if (gadget_is_sa1100(gadget))
-		return false;
-
 	/* Everything else is *presumably* fine ... but this is a bit
 	 * chancy, so be **CERTAIN** there are no hardware issues with
 	 * your controller.  Add it above if it can't handle CDC.
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 2d772401b7a..fac81ee193d 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -297,12 +297,10 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
 	 */
 	if (loopdefault) {
 		loopback_add(cdev, autoresume != 0);
-		if (!gadget_is_sh(gadget))
-			sourcesink_add(cdev, autoresume != 0);
+		sourcesink_add(cdev, autoresume != 0);
 	} else {
 		sourcesink_add(cdev, autoresume != 0);
-		if (!gadget_is_sh(gadget))
-			loopback_add(cdev, autoresume != 0);
+		loopback_add(cdev, autoresume != 0);
 	}
 
 	gcnum = usb_gadget_controller_number(gadget);