Merge tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC boardfile updates from Arnd Bergmann
 "Unused boardfile removal for 6.3

  This is a follow-up to the deprecation of most of the old-style board
  files that was merged in linux-6.0, removing them for good.

  This branch is almost exclusively dead code removal based on those
  annotations. Some device driver removals went through separate
  subsystem trees, but the majority is in the same branch, in order to
  better handle dependencies between the patches and avoid breaking
  bisection.

  Unfortunately that leads to merge conflicts against other changes in
  the subsystem trees, but they should all be trivial to resolve by
  removing the files.

  See commit 7d0d3fa7339e ("Merge tag 'arm-boardfiles-6.0' of
  git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
  description of which machines were marked unused and are now removed.

  The only removals that got postponed are Terastation WXL (mv78xx0) and
  Jornada720 (StrongARM1100), which turned out to still have potential
  users"

* tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (91 commits)
  mmc: omap: drop TPS65010 dependency
  ARM: pxa: restore mfp-pxa320.h
  usb: ohci-omap: avoid unused-variable warning
  ARM: debug: remove references in DEBUG_UART_8250_SHIFT to removed configs
  ARM: s3c: remove obsolete s3c-cpu-freq header
  MAINTAINERS: adjust SAMSUNG SOC CLOCK DRIVERS after s3c24xx support removal
  MAINTAINERS: update file entries after arm multi-platform rework and mach-pxa removal
  ARM: remove CONFIG_UNUSED_BOARD_FILES
  mfd: remove htc-pasic3 driver
  w1: remove ds1wm driver
  usb: remove ohci-tmio driver
  fbdev: remove w100fb driver
  fbdev: remove tmiofb driver
  mmc: remove tmio_mmc driver
  mfd: remove ucb1400 support
  mfd: remove toshiba tmio drivers
  rtc: remove v3020 driver
  power: remove pda_power supply driver
  ASoC: pxa: remove unused board support
  pcmcia: remove unused pxa/sa1100 drivers
  ...

17 files changed, 10 insertions, 5747 deletions

diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index b3006d8b04ab..511ab57cdc81 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -118,7 +118,6 @@ config USB_GR_UDC
 config USB_OMAP
 	tristate "OMAP USB Device Controller"
 	depends on ARCH_OMAP1
-	depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3)
 	help
 	   Many Texas Instruments OMAP processors have flexible full
 	   speed USB device controllers, with support for up to 30
@@ -207,31 +206,6 @@ config USB_PXA27X
 	   dynamically linked module called "pxa27x_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_S3C2410
-	tristate "S3C2410 USB Device Controller"
-	depends on ARCH_S3C24XX
-	help
-	  Samsung's S3C2410 is an ARM-4 processor with an integrated
-	  full speed USB 1.1 device controller.  It has 4 configurable
-	  endpoints, as well as endpoint zero (for control transfers).
-
-	  This driver has been tested on the S3C2410, S3C2412, and
-	  S3C2440 processors.
-
-config USB_S3C2410_DEBUG
-	bool "S3C2410 udc debug messages"
-	depends on USB_S3C2410
-
-config USB_S3C_HSUDC
-	tristate "S3C2416, S3C2443 and S3C2450 USB Device Controller"
-	depends on ARCH_S3C24XX
-	help
-	  Samsung's S3C2416, S3C2443 and S3C2450 is an ARM9 based SoC
-	  integrated with dual speed USB 2.0 device controller. It has
-	  8 endpoints, as well as endpoint zero.
-
-	  This driver has been tested on S3C2416 and S3C2450 processors.
-
 config USB_MV_UDC
 	tristate "Marvell USB2.0 Device Controller"
 	depends on HAS_DMA
diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile
index 39daf36a2baa..239ea22bdfd9 100644
--- a/drivers/usb/gadget/udc/Makefile
+++ b/drivers/usb/gadget/udc/Makefile
@@ -17,7 +17,6 @@ obj-$(CONFIG_USB_PXA25X)	+= pxa25x_udc.o
 obj-$(CONFIG_USB_PXA27X)	+= pxa27x_udc.o
 obj-$(CONFIG_USB_GOKU)		+= goku_udc.o
 obj-$(CONFIG_USB_OMAP)		+= omap_udc.o
-obj-$(CONFIG_USB_S3C2410)	+= s3c2410_udc.o
 obj-$(CONFIG_USB_AT91)		+= at91_udc.o
 obj-$(CONFIG_USB_ATMEL_USBA)	+= atmel_usba_udc.o
 obj-$(CONFIG_USB_BCM63XX_UDC)	+= bcm63xx_udc.o
@@ -28,7 +27,6 @@ obj-$(CONFIG_USB_M66592)	+= m66592-udc.o
 obj-$(CONFIG_USB_R8A66597)	+= r8a66597-udc.o
 obj-$(CONFIG_USB_RENESAS_USB3)	+= renesas_usb3.o
 obj-$(CONFIG_USB_FSL_QE)	+= fsl_qe_udc.o
-obj-$(CONFIG_USB_S3C_HSUDC)	+= s3c-hsudc.o
 obj-$(CONFIG_USB_LPC32XX)	+= lpc32xx_udc.o
 obj-$(CONFIG_USB_EG20T)		+= pch_udc.o
 obj-$(CONFIG_USB_MV_UDC)	+= mv_udc.o
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index f660ebfa1379..2d87c7cd5f7e 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2036,12 +2036,7 @@ static irqreturn_t omap_udc_iso_irq(int irq, void *_dev)
 
 static inline int machine_without_vbus_sense(void)
 {
-	return machine_is_omap_innovator()
-		|| machine_is_omap_osk()
-		|| machine_is_omap_palmte()
-		|| machine_is_sx1()
-		/* No known omap7xx boards with vbus sense */
-		|| cpu_is_omap7xx();
+	return  machine_is_omap_osk() || machine_is_sx1();
 }
 
 static int omap_udc_start(struct usb_gadget *g,
@@ -2758,9 +2753,6 @@ static int omap_udc_probe(struct platform_device *pdev)
 	struct clk		*dc_clk = NULL;
 	struct clk		*hhc_clk = NULL;
 
-	if (cpu_is_omap7xx())
-		use_dma = 0;
-
 	/* NOTE:  "knows" the order of the resources! */
 	if (!request_mem_region(pdev->resource[0].start,
 			resource_size(&pdev->resource[0]),
@@ -2779,16 +2771,6 @@ static int omap_udc_probe(struct platform_device *pdev)
 		udelay(100);
 	}
 
-	if (cpu_is_omap7xx()) {
-		dc_clk = clk_get(&pdev->dev, "usb_dc_ck");
-		hhc_clk = clk_get(&pdev->dev, "l3_ocpi_ck");
-		BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
-		/* can't use omap_udc_enable_clock yet */
-		clk_prepare_enable(dc_clk);
-		clk_prepare_enable(hhc_clk);
-		udelay(100);
-	}
-
 	INFO("OMAP UDC rev %d.%d%s\n",
 		omap_readw(UDC_REV) >> 4, omap_readw(UDC_REV) & 0xf,
 		config->otg ? ", Mini-AB" : "");
@@ -2913,7 +2895,7 @@ bad_on_1710:
 		goto cleanup1;
 	}
 #endif
-	if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
+	if (cpu_is_omap16xx()) {
 		udc->dc_clk = dc_clk;
 		udc->hhc_clk = hhc_clk;
 		clk_disable(hhc_clk);
@@ -2932,7 +2914,7 @@ cleanup0:
 	if (!IS_ERR_OR_NULL(xceiv))
 		usb_put_phy(xceiv);
 
-	if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
+	if (cpu_is_omap16xx()) {
 		clk_disable_unprepare(hhc_clk);
 		clk_disable_unprepare(dc_clk);
 		clk_put(hhc_clk);
diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c
index c593fc383481..e19b84a46a1e 100644
--- a/drivers/usb/gadget/udc/pxa25x_udc.c
+++ b/drivers/usb/gadget/udc/pxa25x_udc.c
@@ -1561,40 +1561,6 @@ static int pxa25x_udc_stop(struct usb_gadget*g)
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef CONFIG_ARCH_LUBBOCK
-
-/* Lubbock has separate connect and disconnect irqs.  More typical designs
- * use one GPIO as the VBUS IRQ, and another to control the D+ pullup.
- */
-
-static irqreturn_t
-lubbock_vbus_irq(int irq, void *_dev)
-{
-	struct pxa25x_udc	*dev = _dev;
-	int			vbus;
-
-	dev->stats.irqs++;
-	if (irq == dev->usb_irq) {
-		vbus = 1;
-		disable_irq(dev->usb_irq);
-		enable_irq(dev->usb_disc_irq);
-	} else if (irq == dev->usb_disc_irq) {
-		vbus = 0;
-		disable_irq(dev->usb_disc_irq);
-		enable_irq(dev->usb_irq);
-	} else {
-		return IRQ_NONE;
-	}
-
-	pxa25x_udc_vbus_session(&dev->gadget, vbus);
-	return IRQ_HANDLED;
-}
-
-#endif
-
-
-/*-------------------------------------------------------------------------*/
-
 static inline void clear_ep_state (struct pxa25x_udc *dev)
 {
 	unsigned i;
@@ -2413,34 +2379,6 @@ static int pxa25x_udc_probe(struct platform_device *pdev)
 	}
 	dev->got_irq = 1;
 
-#ifdef CONFIG_ARCH_LUBBOCK
-	if (machine_is_lubbock()) {
-		dev->usb_irq = platform_get_irq(pdev, 1);
-		if (dev->usb_irq < 0)
-			return dev->usb_irq;
-
-		dev->usb_disc_irq = platform_get_irq(pdev, 2);
-		if (dev->usb_disc_irq < 0)
-			return dev->usb_disc_irq;
-
-		retval = devm_request_irq(&pdev->dev, dev->usb_disc_irq,
-					  lubbock_vbus_irq, 0, driver_name,
-					  dev);
-		if (retval != 0) {
-			pr_err("%s: can't get irq %i, err %d\n",
-				driver_name, dev->usb_disc_irq, retval);
-			goto err;
-		}
-		retval = devm_request_irq(&pdev->dev, dev->usb_irq,
-					  lubbock_vbus_irq, 0, driver_name,
-					  dev);
-		if (retval != 0) {
-			pr_err("%s: can't get irq %i, err %d\n",
-				driver_name, dev->usb_irq, retval);
-			goto err;
-		}
-	} else
-#endif
 	create_debug_files(dev);
 
 	retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget);
diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c
deleted file mode 100644
index 4b7eb7701470..000000000000
--- a/drivers/usb/gadget/udc/s3c-hsudc.c
+++ /dev/null
@@ -1,1319 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* linux/drivers/usb/gadget/s3c-hsudc.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * S3C24XX USB 2.0 High-speed USB controller gadget driver
- *
- * The S3C24XX USB 2.0 high-speed USB controller supports upto 9 endpoints.
- * Each endpoint can be configured as either in or out endpoint. Endpoints
- * can be configured for Bulk or Interrupt transfer mode.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb/otg.h>
-#include <linux/prefetch.h>
-#include <linux/platform_data/s3c-hsudc.h>
-#include <linux/regulator/consumer.h>
-#include <linux/pm_runtime.h>
-
-#define S3C_HSUDC_REG(x)	(x)
-
-/* Non-Indexed Registers */
-#define S3C_IR				S3C_HSUDC_REG(0x00) /* Index Register */
-#define S3C_EIR				S3C_HSUDC_REG(0x04) /* EP Intr Status */
-#define S3C_EIR_EP0			(1<<0)
-#define S3C_EIER			S3C_HSUDC_REG(0x08) /* EP Intr Enable */
-#define S3C_FAR				S3C_HSUDC_REG(0x0c) /* Gadget Address */
-#define S3C_FNR				S3C_HSUDC_REG(0x10) /* Frame Number */
-#define S3C_EDR				S3C_HSUDC_REG(0x14) /* EP Direction */
-#define S3C_TR				S3C_HSUDC_REG(0x18) /* Test Register */
-#define S3C_SSR				S3C_HSUDC_REG(0x1c) /* System Status */
-#define S3C_SSR_DTZIEN_EN		(0xff8f)
-#define S3C_SSR_ERR			(0xff80)
-#define S3C_SSR_VBUSON			(1 << 8)
-#define S3C_SSR_HSP			(1 << 4)
-#define S3C_SSR_SDE			(1 << 3)
-#define S3C_SSR_RESUME			(1 << 2)
-#define S3C_SSR_SUSPEND			(1 << 1)
-#define S3C_SSR_RESET			(1 << 0)
-#define S3C_SCR				S3C_HSUDC_REG(0x20) /* System Control */
-#define S3C_SCR_DTZIEN_EN		(1 << 14)
-#define S3C_SCR_RRD_EN			(1 << 5)
-#define S3C_SCR_SUS_EN			(1 << 1)
-#define S3C_SCR_RST_EN			(1 << 0)
-#define S3C_EP0SR			S3C_HSUDC_REG(0x24) /* EP0 Status */
-#define S3C_EP0SR_EP0_LWO		(1 << 6)
-#define S3C_EP0SR_STALL			(1 << 4)
-#define S3C_EP0SR_TX_SUCCESS		(1 << 1)
-#define S3C_EP0SR_RX_SUCCESS		(1 << 0)
-#define S3C_EP0CR			S3C_HSUDC_REG(0x28) /* EP0 Control */
-#define S3C_BR(_x)			S3C_HSUDC_REG(0x60 + (_x * 4))
-
-/* Indexed Registers */
-#define S3C_ESR				S3C_HSUDC_REG(0x2c) /* EPn Status */
-#define S3C_ESR_FLUSH			(1 << 6)
-#define S3C_ESR_STALL			(1 << 5)
-#define S3C_ESR_LWO			(1 << 4)
-#define S3C_ESR_PSIF_ONE		(1 << 2)
-#define S3C_ESR_PSIF_TWO		(2 << 2)
-#define S3C_ESR_TX_SUCCESS		(1 << 1)
-#define S3C_ESR_RX_SUCCESS		(1 << 0)
-#define S3C_ECR				S3C_HSUDC_REG(0x30) /* EPn Control */
-#define S3C_ECR_DUEN			(1 << 7)
-#define S3C_ECR_FLUSH			(1 << 6)
-#define S3C_ECR_STALL			(1 << 1)
-#define S3C_ECR_IEMS			(1 << 0)
-#define S3C_BRCR			S3C_HSUDC_REG(0x34) /* Read Count */
-#define S3C_BWCR			S3C_HSUDC_REG(0x38) /* Write Count */
-#define S3C_MPR				S3C_HSUDC_REG(0x3c) /* Max Pkt Size */
-
-#define WAIT_FOR_SETUP			(0)
-#define DATA_STATE_XMIT			(1)
-#define DATA_STATE_RECV			(2)
-
-static const char * const s3c_hsudc_supply_names[] = {
-	"vdda",		/* analog phy supply, 3.3V */
-	"vddi",		/* digital phy supply, 1.2V */
-	"vddosc",	/* oscillator supply, 1.8V - 3.3V */
-};
-
-/**
- * struct s3c_hsudc_ep - Endpoint representation used by driver.
- * @ep: USB gadget layer representation of device endpoint.
- * @name: Endpoint name (as required by ep autoconfiguration).
- * @dev: Reference to the device controller to which this EP belongs.
- * @desc: Endpoint descriptor obtained from the gadget driver.
- * @queue: Transfer request queue for the endpoint.
- * @stopped: Maintains state of endpoint, set if EP is halted.
- * @bEndpointAddress: EP address (including direction bit).
- * @fifo: Base address of EP FIFO.
- */
-struct s3c_hsudc_ep {
-	struct usb_ep ep;
-	char name[20];
-	struct s3c_hsudc *dev;
-	struct list_head queue;
-	u8 stopped;
-	u8 wedge;
-	u8 bEndpointAddress;
-	void __iomem *fifo;
-};
-
-/**
- * struct s3c_hsudc_req - Driver encapsulation of USB gadget transfer request.
- * @req: Reference to USB gadget transfer request.
- * @queue: Used for inserting this request to the endpoint request queue.
- */
-struct s3c_hsudc_req {
-	struct usb_request req;
-	struct list_head queue;
-};
-
-/**
- * struct s3c_hsudc - Driver's abstraction of the device controller.
- * @gadget: Instance of usb_gadget which is referenced by gadget driver.
- * @driver: Reference to currently active gadget driver.
- * @dev: The device reference used by probe function.
- * @lock: Lock to synchronize the usage of Endpoints (EP's are indexed).
- * @regs: Remapped base address of controller's register space.
- * irq: IRQ number used by the controller.
- * uclk: Reference to the controller clock.
- * ep0state: Current state of EP0.
- * ep: List of endpoints supported by the controller.
- */
-struct s3c_hsudc {
-	struct usb_gadget gadget;
-	struct usb_gadget_driver *driver;
-	struct device *dev;
-	struct s3c24xx_hsudc_platdata *pd;
-	struct usb_phy *transceiver;
-	struct regulator_bulk_data supplies[ARRAY_SIZE(s3c_hsudc_supply_names)];
-	spinlock_t lock;
-	void __iomem *regs;
-	int irq;
-	struct clk *uclk;
-	int ep0state;
-	struct s3c_hsudc_ep ep[];
-};
-
-#define ep_maxpacket(_ep)	((_ep)->ep.maxpacket)
-#define ep_is_in(_ep)		((_ep)->bEndpointAddress & USB_DIR_IN)
-#define ep_index(_ep)		((_ep)->bEndpointAddress & \
-					USB_ENDPOINT_NUMBER_MASK)
-
-static const char driver_name[] = "s3c-udc";
-static const char ep0name[] = "ep0-control";
-
-static inline struct s3c_hsudc_req *our_req(struct usb_request *req)
-{
-	return container_of(req, struct s3c_hsudc_req, req);
-}
-
-static inline struct s3c_hsudc_ep *our_ep(struct usb_ep *ep)
-{
-	return container_of(ep, struct s3c_hsudc_ep, ep);
-}
-
-static inline struct s3c_hsudc *to_hsudc(struct usb_gadget *gadget)
-{
-	return container_of(gadget, struct s3c_hsudc, gadget);
-}
-
-static inline void set_index(struct s3c_hsudc *hsudc, int ep_addr)
-{
-	ep_addr &= USB_ENDPOINT_NUMBER_MASK;
-	writel(ep_addr, hsudc->regs + S3C_IR);
-}
-
-static inline void __orr32(void __iomem *ptr, u32 val)
-{
-	writel(readl(ptr) | val, ptr);
-}
-
-/**
- * s3c_hsudc_complete_request - Complete a transfer request.
- * @hsep: Endpoint to which the request belongs.
- * @hsreq: Transfer request to be completed.
- * @status: Transfer completion status for the transfer request.
- */
-static void s3c_hsudc_complete_request(struct s3c_hsudc_ep *hsep,
-				struct s3c_hsudc_req *hsreq, int status)
-{
-	unsigned int stopped = hsep->stopped;
-	struct s3c_hsudc *hsudc = hsep->dev;
-
-	list_del_init(&hsreq->queue);
-	hsreq->req.status = status;
-
-	if (!ep_index(hsep)) {
-		hsudc->ep0state = WAIT_FOR_SETUP;
-		hsep->bEndpointAddress &= ~USB_DIR_IN;
-	}
-
-	hsep->stopped = 1;
-	spin_unlock(&hsudc->lock);
-	usb_gadget_giveback_request(&hsep->ep, &hsreq->req);
-	spin_lock(&hsudc->lock);
-	hsep->stopped = stopped;
-}
-
-/**
- * s3c_hsudc_nuke_ep - Terminate all requests queued for a endpoint.
- * @hsep: Endpoint for which queued requests have to be terminated.
- * @status: Transfer completion status for the transfer request.
- */
-static void s3c_hsudc_nuke_ep(struct s3c_hsudc_ep *hsep, int status)
-{
-	struct s3c_hsudc_req *hsreq;
-
-	while (!list_empty(&hsep->queue)) {
-		hsreq = list_entry(hsep->queue.next,
-				struct s3c_hsudc_req, queue);
-		s3c_hsudc_complete_request(hsep, hsreq, status);
-	}
-}
-
-/**
- * s3c_hsudc_stop_activity - Stop activity on all endpoints.
- * @hsudc: Device controller for which EP activity is to be stopped.
- *
- * All the endpoints are stopped and any pending transfer requests if any on
- * the endpoint are terminated.
- */
-static void s3c_hsudc_stop_activity(struct s3c_hsudc *hsudc)
-{
-	struct s3c_hsudc_ep *hsep;
-	int epnum;
-
-	hsudc->gadget.speed = USB_SPEED_UNKNOWN;
-
-	for (epnum = 0; epnum < hsudc->pd->epnum; epnum++) {
-		hsep = &hsudc->ep[epnum];
-		hsep->stopped = 1;
-		s3c_hsudc_nuke_ep(hsep, -ESHUTDOWN);
-	}
-}
-
-/**
- * s3c_hsudc_read_setup_pkt - Read the received setup packet from EP0 fifo.
- * @hsudc: Device controller from which setup packet is to be read.
- * @buf: The buffer into which the setup packet is read.
- *
- * The setup packet received in the EP0 fifo is read and stored into a
- * given buffer address.
- */
-
-static void s3c_hsudc_read_setup_pkt(struct s3c_hsudc *hsudc, u16 *buf)
-{
-	int count;
-
-	count = readl(hsudc->regs + S3C_BRCR);
-	while (count--)
-		*buf++ = (u16)readl(hsudc->regs + S3C_BR(0));
-
-	writel(S3C_EP0SR_RX_SUCCESS, hsudc->regs + S3C_EP0SR);
-}
-
-/**
- * s3c_hsudc_write_fifo - Write next chunk of transfer data to EP fifo.
- * @hsep: Endpoint to which the data is to be written.
- * @hsreq: Transfer request from which the next chunk of data is written.
- *
- * Write the next chunk of data from a transfer request to the endpoint FIFO.
- * If the transfer request completes, 1 is returned, otherwise 0 is returned.
- */
-static int s3c_hsudc_write_fifo(struct s3c_hsudc_ep *hsep,
-				struct s3c_hsudc_req *hsreq)
-{
-	u16 *buf;
-	u32 max = ep_maxpacket(hsep);
-	u32 count, length;
-	bool is_last;
-	void __iomem *fifo = hsep->fifo;
-
-	buf = hsreq->req.buf + hsreq->req.actual;
-	prefetch(buf);
-
-	length = hsreq->req.length - hsreq->req.actual;
-	length = min(length, max);
-	hsreq->req.actual += length;
-
-	writel(length, hsep->dev->regs + S3C_BWCR);
-	for (count = 0; count < length; count += 2)
-		writel(*buf++, fifo);
-
-	if (count != max) {
-		is_last = true;
-	} else {
-		if (hsreq->req.length != hsreq->req.actual || hsreq->req.zero)
-			is_last = false;
-		else
-			is_last = true;
-	}
-
-	if (is_last) {
-		s3c_hsudc_complete_request(hsep, hsreq, 0);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * s3c_hsudc_read_fifo - Read the next chunk of data from EP fifo.
- * @hsep: Endpoint from which the data is to be read.
- * @hsreq: Transfer request to which the next chunk of data read is written.
- *
- * Read the next chunk of data from the endpoint FIFO and a write it to the
- * transfer request buffer. If the transfer request completes, 1 is returned,
- * otherwise 0 is returned.
- */
-static int s3c_hsudc_read_fifo(struct s3c_hsudc_ep *hsep,
-				struct s3c_hsudc_req *hsreq)
-{
-	struct s3c_hsudc *hsudc = hsep->dev;
-	u32 csr, offset;
-	u16 *buf, word;
-	u32 buflen, rcnt, rlen;
-	void __iomem *fifo = hsep->fifo;
-	u32 is_short = 0;
-
-	offset = (ep_index(hsep)) ? S3C_ESR : S3C_EP0SR;
-	csr = readl(hsudc->regs + offset);
-	if (!(csr & S3C_ESR_RX_SUCCESS))
-		return -EINVAL;
-
-	buf = hsreq->req.buf + hsreq->req.actual;
-	prefetchw(buf);
-	buflen = hsreq->req.length - hsreq->req.actual;
-
-	rcnt = readl(hsudc->regs + S3C_BRCR);
-	rlen = (csr & S3C_ESR_LWO) ? (rcnt * 2 - 1) : (rcnt * 2);
-
-	hsreq->req.actual += min(rlen, buflen);
-	is_short = (rlen < hsep->ep.maxpacket);
-
-	while (rcnt-- != 0) {
-		word = (u16)readl(fifo);
-		if (buflen) {
-			*buf++ = word;
-			buflen--;
-		} else {
-			hsreq->req.status = -EOVERFLOW;
-		}
-	}
-
-	writel(S3C_ESR_RX_SUCCESS, hsudc->regs + offset);
-
-	if (is_short || hsreq->req.actual == hsreq->req.length) {
-		s3c_hsudc_complete_request(hsep, hsreq, 0);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * s3c_hsudc_epin_intr - Handle in-endpoint interrupt.
- * @hsudc - Device controller for which the interrupt is to be handled.
- * @ep_idx - Endpoint number on which an interrupt is pending.
- *
- * Handles interrupt for a in-endpoint. The interrupts that are handled are
- * stall and data transmit complete interrupt.
- */
-static void s3c_hsudc_epin_intr(struct s3c_hsudc *hsudc, u32 ep_idx)
-{
-	struct s3c_hsudc_ep *hsep = &hsudc->ep[ep_idx];
-	struct s3c_hsudc_req *hsreq;
-	u32 csr;
-
-	csr = readl(hsudc->regs + S3C_ESR);
-	if (csr & S3C_ESR_STALL) {
-		writel(S3C_ESR_STALL, hsudc->regs + S3C_ESR);
-		return;
-	}
-
-	if (csr & S3C_ESR_TX_SUCCESS) {
-		writel(S3C_ESR_TX_SUCCESS, hsudc->regs + S3C_ESR);
-		if (list_empty(&hsep->queue))
-			return;
-
-		hsreq = list_entry(hsep->queue.next,
-				struct s3c_hsudc_req, queue);
-		if ((s3c_hsudc_write_fifo(hsep, hsreq) == 0) &&
-				(csr & S3C_ESR_PSIF_TWO))
-			s3c_hsudc_write_fifo(hsep, hsreq);
-	}
-}
-
-/**
- * s3c_hsudc_epout_intr - Handle out-endpoint interrupt.
- * @hsudc - Device controller for which the interrupt is to be handled.
- * @ep_idx - Endpoint number on which an interrupt is pending.
- *
- * Handles interrupt for a out-endpoint. The interrupts that are handled are
- * stall, flush and data ready interrupt.
- */
-static void s3c_hsudc_epout_intr(struct s3c_hsudc *hsudc, u32 ep_idx)
-{
-	struct s3c_hsudc_ep *hsep = &hsudc->ep[ep_idx];
-	struct s3c_hsudc_req *hsreq;
-	u32 csr;
-
-	csr = readl(hsudc->regs + S3C_ESR);
-	if (csr & S3C_ESR_STALL) {
-		writel(S3C_ESR_STALL, hsudc->regs + S3C_ESR);
-		return;
-	}
-
-	if (csr & S3C_ESR_FLUSH) {
-		__orr32(hsudc->regs + S3C_ECR, S3C_ECR_FLUSH);
-		return;
-	}
-
-	if (csr & S3C_ESR_RX_SUCCESS) {
-		if (list_empty(&hsep->queue))
-			return;
-
-		hsreq = list_entry(hsep->queue.next,
-				struct s3c_hsudc_req, queue);
-		if (((s3c_hsudc_read_fifo(hsep, hsreq)) == 0) &&
-				(csr & S3C_ESR_PSIF_TWO))
-			s3c_hsudc_read_fifo(hsep, hsreq);
-	}
-}
-
-/** s3c_hsudc_set_halt - Set or clear a endpoint halt.
- * @_ep: Endpoint on which halt has to be set or cleared.
- * @value: 1 for setting halt on endpoint, 0 to clear halt.
- *
- * Set or clear endpoint halt. If halt is set, the endpoint is stopped.
- * If halt is cleared, for in-endpoints, if there are any pending
- * transfer requests, transfers are started.
- */
-static int s3c_hsudc_set_halt(struct usb_ep *_ep, int value)
-{
-	struct s3c_hsudc_ep *hsep = our_ep(_ep);
-	struct s3c_hsudc *hsudc = hsep->dev;
-	struct s3c_hsudc_req *hsreq;
-	unsigned long irqflags;
-	u32 ecr;
-	u32 offset;
-
-	if (value && ep_is_in(hsep) && !list_empty(&hsep->queue))
-		return -EAGAIN;
-
-	spin_lock_irqsave(&hsudc->lock, irqflags);
-	set_index(hsudc, ep_index(hsep));
-	offset = (ep_index(hsep)) ? S3C_ECR : S3C_EP0CR;
-	ecr = readl(hsudc->regs + offset);
-
-	if (value) {
-		ecr |= S3C_ECR_STALL;
-		if (ep_index(hsep))
-			ecr |= S3C_ECR_FLUSH;
-		hsep->stopped = 1;
-	} else {
-		ecr &= ~S3C_ECR_STALL;
-		hsep->stopped = hsep->wedge = 0;
-	}
-	writel(ecr, hsudc->regs + offset);
-
-	if (ep_is_in(hsep) && !list_empty(&hsep->queue) && !value) {
-		hsreq = list_entry(hsep->queue.next,
-			struct s3c_hsudc_req, queue);
-		if (hsreq)
-			s3c_hsudc_write_fifo(hsep, hsreq);
-	}
-
-	spin_unlock_irqrestore(&hsudc->lock, irqflags);
-	return 0;
-}
-
-/** s3c_hsudc_set_wedge - Sets the halt feature with the clear requests ignored
- * @_ep: Endpoint on which wedge has to be set.
- *
- * Sets the halt feature with the clear requests ignored.
- */
-static int s3c_hsudc_set_wedge(struct usb_ep *_ep)
-{
-	struct s3c_hsudc_ep *hsep = our_ep(_ep);
-
-	if (!hsep)
-		return -EINVAL;
-
-	hsep->wedge = 1;
-	return usb_ep_set_halt(_ep);
-}
-
-/** s3c_hsudc_handle_reqfeat - Handle set feature or clear feature requests.
- * @_ep: Device controller on which the set/clear feature needs to be handled.
- * @ctrl: Control request as received on the endpoint 0.
- *
- * Handle set feature or clear feature control requests on the control endpoint.
- */
-static int s3c_hsudc_handle_reqfeat(struct s3c_hsudc *hsudc,
-					struct usb_ctrlrequest *ctrl)
-{
-	struct s3c_hsudc_ep *hsep;
-	bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE);
-	u8 ep_num = ctrl->wIndex & USB_ENDPOINT_NUMBER_MASK;
-
-	if (ctrl->bRequestType == USB_RECIP_ENDPOINT) {
-		hsep = &hsudc->ep[ep_num];
-		switch (le16_to_cpu(ctrl->wValue)) {
-		case USB_ENDPOINT_HALT:
-			if (set || !hsep->wedge)
-				s3c_hsudc_set_halt(&hsep->ep, set);
-			return 0;
-		}
-	}
-
-	return -ENOENT;
-}
-
-/**
- * s3c_hsudc_process_req_status - Handle get status control request.
- * @hsudc: Device controller on which get status request has be handled.
- * @ctrl: Control request as received on the endpoint 0.
- *
- * Handle get status control request received on control endpoint.
- */
-static void s3c_hsudc_process_req_status(struct s3c_hsudc *hsudc,
-					struct usb_ctrlrequest *ctrl)
-{
-	struct s3c_hsudc_ep *hsep0 = &hsudc->ep[0];
-	struct s3c_hsudc_req hsreq;
-	struct s3c_hsudc_ep *hsep;
-	__le16 reply;
-	u8 epnum;
-
-	switch (ctrl->bRequestType & USB_RECIP_MASK) {
-	case USB_RECIP_DEVICE:
-		reply = cpu_to_le16(0);
-		break;
-
-	case USB_RECIP_INTERFACE:
-		reply = cpu_to_le16(0);
-		break;
-
-	case USB_RECIP_ENDPOINT:
-		epnum = le16_to_cpu(ctrl->wIndex) & USB_ENDPOINT_NUMBER_MASK;
-		hsep = &hsudc->ep[epnum];
-		reply = cpu_to_le16(hsep->stopped ? 1 : 0);
-		break;
-	}
-
-	INIT_LIST_HEAD(&hsreq.queue);
-	hsreq.req.length = 2;
-	hsreq.req.buf = &reply;
-	hsreq.req.actual = 0;
-	hsreq.req.complete = NULL;
-	s3c_hsudc_write_fifo(hsep0, &hsreq);
-}
-
-/**
- * s3c_hsudc_process_setup - Process control request received on endpoint 0.
- * @hsudc: Device controller on which control request has been received.
- *
- * Read the control request received on endpoint 0, decode it and handle
- * the request.
- */
-static void s3c_hsudc_process_setup(struct s3c_hsudc *hsudc)
-{
-	struct s3c_hsudc_ep *hsep = &hsudc->ep[0];
-	struct usb_ctrlrequest ctrl = {0};
-	int ret;
-
-	s3c_hsudc_nuke_ep(hsep, -EPROTO);
-	s3c_hsudc_read_setup_pkt(hsudc, (u16 *)&ctrl);
-
-	if (ctrl.bRequestType & USB_DIR_IN) {
-		hsep->bEndpointAddress |= USB_DIR_IN;
-		hsudc->ep0state = DATA_STATE_XMIT;
-	} else {
-		hsep->bEndpointAddress &= ~USB_DIR_IN;
-		hsudc->ep0state = DATA_STATE_RECV;
-	}
-
-	switch (ctrl.bRequest) {
-	case USB_REQ_SET_ADDRESS:
-		if (ctrl.bRequestType != (USB_TYPE_STANDARD | USB_RECIP_DEVICE))
-			break;
-		hsudc->ep0state = WAIT_FOR_SETUP;
-		return;
-
-	case USB_REQ_GET_STATUS:
-		if ((ctrl.bRequestType & USB_TYPE_MASK) != USB_TYPE_STANDARD)
-			break;
-		s3c_hsudc_process_req_status(hsudc, &ctrl);
-		return;
-
-	case USB_REQ_SET_FEATURE:
-	case USB_REQ_CLEAR_FEATURE:
-		if ((ctrl.bRequestType & USB_TYPE_MASK) != USB_TYPE_STANDARD)
-			break;
-		s3c_hsudc_handle_reqfeat(hsudc, &ctrl);
-		hsudc->ep0state = WAIT_FOR_SETUP;
-		return;
-	}
-
-	if (hsudc->driver) {
-		spin_unlock(&hsudc->lock);
-		ret = hsudc->driver->setup(&hsudc->gadget, &ctrl);
-		spin_lock(&hsudc->lock);
-
-		if (ctrl.bRequest == USB_REQ_SET_CONFIGURATION) {
-			hsep->bEndpointAddress &= ~USB_DIR_IN;
-			hsudc->ep0state = WAIT_FOR_SETUP;
-		}
-
-		if (ret < 0) {
-			dev_err(hsudc->dev, "setup failed, returned %d\n",
-						ret);
-			s3c_hsudc_set_halt(&hsep->ep, 1);
-			hsudc->ep0state = WAIT_FOR_SETUP;
-			hsep->bEndpointAddress &= ~USB_DIR_IN;
-		}
-	}
-}
-
-/** s3c_hsudc_handle_ep0_intr - Handle endpoint 0 interrupt.
- * @hsudc: Device controller on which endpoint 0 interrupt has occurred.
- *
- * Handle endpoint 0 interrupt when it occurs. EP0 interrupt could occur
- * when a stall handshake is sent to host or data is sent/received on
- * endpoint 0.
- */
-static void s3c_hsudc_handle_ep0_intr(struct s3c_hsudc *hsudc)
-{
-	struct s3c_hsudc_ep *hsep = &hsudc->ep[0];
-	struct s3c_hsudc_req *hsreq;
-	u32 csr = readl(hsudc->regs + S3C_EP0SR);
-	u32 ecr;
-
-	if (csr & S3C_EP0SR_STALL) {
-		ecr = readl(hsudc->regs + S3C_EP0CR);
-		ecr &= ~(S3C_ECR_STALL | S3C_ECR_FLUSH);
-		writel(ecr, hsudc->regs + S3C_EP0CR);
-
-		writel(S3C_EP0SR_STALL, hsudc->regs + S3C_EP0SR);
-		hsep->stopped = 0;
-
-		s3c_hsudc_nuke_ep(hsep, -ECONNABORTED);
-		hsudc->ep0state = WAIT_FOR_SETUP;
-		hsep->bEndpointAddress &= ~USB_DIR_IN;
-		return;
-	}
-
-	if (csr & S3C_EP0SR_TX_SUCCESS) {
-		writel(S3C_EP0SR_TX_SUCCESS, hsudc->regs + S3C_EP0SR);
-		if (ep_is_in(hsep)) {
-			if (list_empty(&hsep->queue))
-				return;
-
-			hsreq = list_entry(hsep->queue.next,
-					struct s3c_hsudc_req, queue);
-			s3c_hsudc_write_fifo(hsep, hsreq);
-		}
-	}
-
-	if (csr & S3C_EP0SR_RX_SUCCESS) {
-		if (hsudc->ep0state == WAIT_FOR_SETUP)
-			s3c_hsudc_process_setup(hsudc);
-		else {
-			if (!ep_is_in(hsep)) {
-				if (list_empty(&hsep->queue))
-					return;
-				hsreq = list_entry(hsep->queue.next,
-					struct s3c_hsudc_req, queue);
-				s3c_hsudc_read_fifo(hsep, hsreq);
-			}
-		}
-	}
-}
-
-/**
- * s3c_hsudc_ep_enable - Enable a endpoint.
- * @_ep: The endpoint to be enabled.
- * @desc: Endpoint descriptor.
- *
- * Enables a endpoint when called from the gadget driver. Endpoint stall if
- * any is cleared, transfer type is configured and endpoint interrupt is
- * enabled.
- */
-static int s3c_hsudc_ep_enable(struct usb_ep *_ep,
-				const struct usb_endpoint_descriptor *desc)
-{
-	struct s3c_hsudc_ep *hsep;
-	struct s3c_hsudc *hsudc;
-	unsigned long flags;
-	u32 ecr = 0;
-
-	hsep = our_ep(_ep);
-	if (!_ep || !desc || _ep->name == ep0name
-		|| desc->bDescriptorType != USB_DT_ENDPOINT
-		|| hsep->bEndpointAddress != desc->bEndpointAddress
-		|| ep_maxpacket(hsep) < usb_endpoint_maxp(desc))
-		return -EINVAL;
-
-	if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
-		&& usb_endpoint_maxp(desc) != ep_maxpacket(hsep))
-		|| !desc->wMaxPacketSize)
-		return -ERANGE;
-
-	hsudc = hsep->dev;
-	if (!hsudc->driver || hsudc->gadget.speed == USB_SPEED_UNKNOWN)
-		return -ESHUTDOWN;
-
-	spin_lock_irqsave(&hsudc->lock, flags);
-
-	set_index(hsudc, hsep->bEndpointAddress);
-	ecr |= ((usb_endpoint_xfer_int(desc)) ? S3C_ECR_IEMS : S3C_ECR_DUEN);
-	writel(ecr, hsudc->regs + S3C_ECR);
-
-	hsep->stopped = hsep->wedge = 0;
-	hsep->ep.desc = desc;
-	hsep->ep.maxpacket = usb_endpoint_maxp(desc);
-
-	s3c_hsudc_set_halt(_ep, 0);
-	__set_bit(ep_index(hsep), hsudc->regs + S3C_EIER);
-
-	spin_unlock_irqrestore(&hsudc->lock, flags);
-	return 0;
-}
-
-/**
- * s3c_hsudc_ep_disable - Disable a endpoint.
- * @_ep: The endpoint to be disabled.
- * @desc: Endpoint descriptor.
- *
- * Disables a endpoint when called from the gadget driver.
- */
-static int s3c_hsudc_ep_disable(struct usb_ep *_ep)
-{
-	struct s3c_hsudc_ep *hsep = our_ep(_ep);
-	struct s3c_hsudc *hsudc = hsep->dev;
-	unsigned long flags;
-
-	if (!_ep || !hsep->ep.desc)
-		return -EINVAL;
-
-	spin_lock_irqsave(&hsudc->lock, flags);
-
-	set_index(hsudc, hsep->bEndpointAddress);
-	__clear_bit(ep_index(hsep), hsudc->regs + S3C_EIER);
-
-	s3c_hsudc_nuke_ep(hsep, -ESHUTDOWN);
-
-	hsep->ep.desc = NULL;
-	hsep->stopped = 1;
-
-	spin_unlock_irqrestore(&hsudc->lock, flags);
-	return 0;
-}
-
-/**
- * s3c_hsudc_alloc_request - Allocate a new request.
- * @_ep: Endpoint for which request is allocated (not used).
- * @gfp_flags: Flags used for the allocation.
- *
- * Allocates a single transfer request structure when called from gadget driver.
- */
-static struct usb_request *s3c_hsudc_alloc_request(struct usb_ep *_ep,
-						gfp_t gfp_flags)
-{
-	struct s3c_hsudc_req *hsreq;
-
-	hsreq = kzalloc(sizeof(*hsreq), gfp_flags);
-	if (!hsreq)
-		return NULL;
-
-	INIT_LIST_HEAD(&hsreq->queue);
-	return &hsreq->req;
-}
-
-/**
- * s3c_hsudc_free_request - Deallocate a request.
- * @ep: Endpoint for which request is deallocated (not used).
- * @_req: Request to be deallocated.
- *
- * Allocates a single transfer request structure when called from gadget driver.
- */
-static void s3c_hsudc_free_request(struct usb_ep *ep, struct usb_request *_req)
-{
-	struct s3c_hsudc_req *hsreq;
-
-	hsreq = our_req(_req);
-	WARN_ON(!list_empty(&hsreq->queue));
-	kfree(hsreq);
-}
-
-/**
- * s3c_hsudc_queue - Queue a transfer request for the endpoint.
- * @_ep: Endpoint for which the request is queued.
- * @_req: Request to be queued.
- * @gfp_flags: Not used.
- *
- * Start or enqueue a request for a endpoint when called from gadget driver.
- */
-static int s3c_hsudc_queue(struct usb_ep *_ep, struct usb_request *_req,
-			gfp_t gfp_flags)
-{
-	struct s3c_hsudc_req *hsreq;
-	struct s3c_hsudc_ep *hsep;
-	struct s3c_hsudc *hsudc;
-	unsigned long flags;
-	u32 offset;
-	u32 csr;
-
-	hsreq = our_req(_req);
-	if ((!_req || !_req->complete || !_req->buf ||
-		!list_empty(&hsreq->queue)))
-		return -EINVAL;
-
-	hsep = our_ep(_ep);
-	hsudc = hsep->dev;
-	if (!hsudc->driver || hsudc->gadget.speed == USB_SPEED_UNKNOWN)
-		return -ESHUTDOWN;
-
-	spin_lock_irqsave(&hsudc->lock, flags);
-	set_index(hsudc, hsep->bEndpointAddress);
-
-	_req->status = -EINPROGRESS;
-	_req->actual = 0;
-
-	if (!ep_index(hsep) && _req->length == 0) {
-		hsudc->ep0state = WAIT_FOR_SETUP;
-		s3c_hsudc_complete_request(hsep, hsreq, 0);
-		spin_unlock_irqrestore(&hsudc->lock, flags);
-		return 0;
-	}
-
-	if (list_empty(&hsep->queue) && !hsep->stopped) {
-		offset = (ep_index(hsep)) ? S3C_ESR : S3C_EP0SR;
-		if (ep_is_in(hsep)) {
-			csr = readl(hsudc->regs + offset);
-			if (!(csr & S3C_ESR_TX_SUCCESS) &&
-				(s3c_hsudc_write_fifo(hsep, hsreq) == 1))
-				hsreq = NULL;
-		} else {
-			csr = readl(hsudc->regs + offset);
-			if ((csr & S3C_ESR_RX_SUCCESS)
-				   && (s3c_hsudc_read_fifo(hsep, hsreq) == 1))
-				hsreq = NULL;
-		}
-	}
-
-	if (hsreq)
-		list_add_tail(&hsreq->queue, &hsep->queue);
-
-	spin_unlock_irqrestore(&hsudc->lock, flags);
-	return 0;
-}
-
-/**
- * s3c_hsudc_dequeue - Dequeue a transfer request from an endpoint.
- * @_ep: Endpoint from which the request is dequeued.
- * @_req: Request to be dequeued.
- *
- * Dequeue a request from a endpoint when called from gadget driver.
- */
-static int s3c_hsudc_dequeue(struct usb_ep *_ep, struct usb_request *_req)
-{
-	struct s3c_hsudc_ep *hsep = our_ep(_ep);
-	struct s3c_hsudc *hsudc = hsep->dev;
-	struct s3c_hsudc_req *hsreq = NULL, *iter;
-	unsigned long flags;
-
-	hsep = our_ep(_ep);
-	if (!_ep || hsep->ep.name == ep0name)
-		return -EINVAL;
-
-	spin_lock_irqsave(&hsudc->lock, flags);
-
-	list_for_each_entry(iter, &hsep->queue, queue) {
-		if (&iter->req != _req)
-			continue;
-		hsreq = iter;
-		break;
-	}
-	if (!hsreq) {
-		spin_unlock_irqrestore(&hsudc->lock, flags);
-		return -EINVAL;
-	}
-
-	set_index(hsudc, hsep->bEndpointAddress);
-	s3c_hsudc_complete_request(hsep, hsreq, -ECONNRESET);
-
-	spin_unlock_irqrestore(&hsudc->lock, flags);
-	return 0;
-}
-
-static const struct usb_ep_ops s3c_hsudc_ep_ops = {
-	.enable = s3c_hsudc_ep_enable,
-	.disable = s3c_hsudc_ep_disable,
-	.alloc_request = s3c_hsudc_alloc_request,
-	.free_request = s3c_hsudc_free_request,
-	.queue = s3c_hsudc_queue,
-	.dequeue = s3c_hsudc_dequeue,
-	.set_halt = s3c_hsudc_set_halt,
-	.set_wedge = s3c_hsudc_set_wedge,
-};
-
-/**
- * s3c_hsudc_initep - Initialize a endpoint to default state.
- * @hsudc - Reference to the device controller.
- * @hsep - Endpoint to be initialized.
- * @epnum - Address to be assigned to the endpoint.
- *
- * Initialize a endpoint with default configuration.
- */
-static void s3c_hsudc_initep(struct s3c_hsudc *hsudc,
-				struct s3c_hsudc_ep *hsep, int epnum)
-{
-	char *dir;
-
-	if ((epnum % 2) == 0) {
-		dir = "out";
-	} else {
-		dir = "in";
-		hsep->bEndpointAddress = USB_DIR_IN;
-	}
-
-	hsep->bEndpointAddress |= epnum;
-	if (epnum)
-		snprintf(hsep->name, sizeof(hsep->name), "ep%d%s", epnum, dir);
-	else
-		snprintf(hsep->name, sizeof(hsep->name), "%s", ep0name);
-
-	INIT_LIST_HEAD(&hsep->queue);
-	INIT_LIST_HEAD(&hsep->ep.ep_list);
-	if (epnum)
-		list_add_tail(&hsep->ep.ep_list, &hsudc->gadget.ep_list);
-
-	hsep->dev = hsudc;
-	hsep->ep.name = hsep->name;
-	usb_ep_set_maxpacket_limit(&hsep->ep, epnum ? 512 : 64);
-	hsep->ep.ops = &s3c_hsudc_ep_ops;
-	hsep->fifo = hsudc->regs + S3C_BR(epnum);
-	hsep->ep.desc = NULL;
-	hsep->stopped = 0;
-	hsep->wedge = 0;
-
-	if (epnum == 0) {
-		hsep->ep.caps.type_control = true;
-		hsep->ep.caps.dir_in = true;
-		hsep->ep.caps.dir_out = true;
-	} else {
-		hsep->ep.caps.type_iso = true;
-		hsep->ep.caps.type_bulk = true;
-		hsep->ep.caps.type_int = true;
-	}
-
-	if (epnum & 1)
-		hsep->ep.caps.dir_in = true;
-	else
-		hsep->ep.caps.dir_out = true;
-
-	set_index(hsudc, epnum);
-	writel(hsep->ep.maxpacket, hsudc->regs + S3C_MPR);
-}
-
-/**
- * s3c_hsudc_setup_ep - Configure all endpoints to default state.
- * @hsudc: Reference to device controller.
- *
- * Configures all endpoints to default state.
- */
-static void s3c_hsudc_setup_ep(struct s3c_hsudc *hsudc)
-{
-	int epnum;
-
-	hsudc->ep0state = WAIT_FOR_SETUP;
-	INIT_LIST_HEAD(&hsudc->gadget.ep_list);
-	for (epnum = 0; epnum < hsudc->pd->epnum; epnum++)
-		s3c_hsudc_initep(hsudc, &hsudc->ep[epnum], epnum);
-}
-
-/**
- * s3c_hsudc_reconfig - Reconfigure the device controller to default state.
- * @hsudc: Reference to device controller.
- *
- * Reconfigures the device controller registers to a default state.
- */
-static void s3c_hsudc_reconfig(struct s3c_hsudc *hsudc)
-{
-	writel(0xAA, hsudc->regs + S3C_EDR);
-	writel(1, hsudc->regs + S3C_EIER);
-	writel(0, hsudc->regs + S3C_TR);
-	writel(S3C_SCR_DTZIEN_EN | S3C_SCR_RRD_EN | S3C_SCR_SUS_EN |
-			S3C_SCR_RST_EN, hsudc->regs + S3C_SCR);
-	writel(0, hsudc->regs + S3C_EP0CR);
-
-	s3c_hsudc_setup_ep(hsudc);
-}
-
-/**
- * s3c_hsudc_irq - Interrupt handler for device controller.
- * @irq: Not used.
- * @_dev: Reference to the device controller.
- *
- * Interrupt handler for the device controller. This handler handles controller
- * interrupts and endpoint interrupts.
- */
-static irqreturn_t s3c_hsudc_irq(int irq, void *_dev)
-{
-	struct s3c_hsudc *hsudc = _dev;
-	struct s3c_hsudc_ep *hsep;
-	u32 ep_intr;
-	u32 sys_status;
-	u32 ep_idx;
-
-	spin_lock(&hsudc->lock);
-
-	sys_status = readl(hsudc->regs + S3C_SSR);
-	ep_intr = readl(hsudc->regs + S3C_EIR) & 0x3FF;
-
-	if (!ep_intr && !(sys_status & S3C_SSR_DTZIEN_EN)) {
-		spin_unlock(&hsudc->lock);
-		return IRQ_HANDLED;
-	}
-
-	if (sys_status) {
-		if (sys_status & S3C_SSR_VBUSON)
-			writel(S3C_SSR_VBUSON, hsudc->regs + S3C_SSR);
-
-		if (sys_status & S3C_SSR_ERR)
-			writel(S3C_SSR_ERR, hsudc->regs + S3C_SSR);
-
-		if (sys_status & S3C_SSR_SDE) {
-			writel(S3C_SSR_SDE, hsudc->regs + S3C_SSR);
-			hsudc->gadget.speed = (sys_status & S3C_SSR_HSP) ?
-				USB_SPEED_HIGH : USB_SPEED_FULL;
-		}
-
-		if (sys_status & S3C_SSR_SUSPEND) {
-			writel(S3C_SSR_SUSPEND, hsudc->regs + S3C_SSR);
-			if (hsudc->gadget.speed != USB_SPEED_UNKNOWN
-				&& hsudc->driver && hsudc->driver->suspend)
-				hsudc->driver->suspend(&hsudc->gadget);
-		}
-
-		if (sys_status & S3C_SSR_RESUME) {
-			writel(S3C_SSR_RESUME, hsudc->regs + S3C_SSR);
-			if (hsudc->gadget.speed != USB_SPEED_UNKNOWN
-				&& hsudc->driver && hsudc->driver->resume)
-				hsudc->driver->resume(&hsudc->gadget);
-		}
-
-		if (sys_status & S3C_SSR_RESET) {
-			writel(S3C_SSR_RESET, hsudc->regs + S3C_SSR);
-			for (ep_idx = 0; ep_idx < hsudc->pd->epnum; ep_idx++) {
-				hsep = &hsudc->ep[ep_idx];
-				hsep->stopped = 1;
-				s3c_hsudc_nuke_ep(hsep, -ECONNRESET);
-			}
-			s3c_hsudc_reconfig(hsudc);
-			hsudc->ep0state = WAIT_FOR_SETUP;
-		}
-	}
-
-	if (ep_intr & S3C_EIR_EP0) {
-		writel(S3C_EIR_EP0, hsudc->regs + S3C_EIR);
-		set_index(hsudc, 0);
-		s3c_hsudc_handle_ep0_intr(hsudc);
-	}
-
-	ep_intr >>= 1;
-	ep_idx = 1;
-	while (ep_intr) {
-		if (ep_intr & 1)  {
-			hsep = &hsudc->ep[ep_idx];
-			set_index(hsudc, ep_idx);
-			writel(1 << ep_idx, hsudc->regs + S3C_EIR);
-			if (ep_is_in(hsep))
-				s3c_hsudc_epin_intr(hsudc, ep_idx);
-			else
-				s3c_hsudc_epout_intr(hsudc, ep_idx);
-		}
-		ep_intr >>= 1;
-		ep_idx++;
-	}
-
-	spin_unlock(&hsudc->lock);
-	return IRQ_HANDLED;
-}
-
-static int s3c_hsudc_start(struct usb_gadget *gadget,
-		struct usb_gadget_driver *driver)
-{
-	struct s3c_hsudc *hsudc = to_hsudc(gadget);
-	int ret;
-
-	if (!driver
-		|| driver->max_speed < USB_SPEED_FULL
-		|| !driver->setup)
-		return -EINVAL;
-
-	if (!hsudc)
-		return -ENODEV;
-
-	if (hsudc->driver)
-		return -EBUSY;
-
-	hsudc->driver = driver;
-
-	ret = regulator_bulk_enable(ARRAY_SIZE(hsudc->supplies),
-				    hsudc->supplies);
-	if (ret != 0) {
-		dev_err(hsudc->dev, "failed to enable supplies: %d\n", ret);
-		goto err_supplies;
-	}
-
-	/* connect to bus through transceiver */
-	if (!IS_ERR_OR_NULL(hsudc->transceiver)) {
-		ret = otg_set_peripheral(hsudc->transceiver->otg,
-					&hsudc->gadget);
-		if (ret) {
-			dev_err(hsudc->dev, "%s: can't bind to transceiver\n",
-					hsudc->gadget.name);
-			goto err_otg;
-		}
-	}
-
-	enable_irq(hsudc->irq);
-	s3c_hsudc_reconfig(hsudc);
-
-	pm_runtime_get_sync(hsudc->dev);
-
-	if (hsudc->pd->phy_init)
-		hsudc->pd->phy_init();
-	if (hsudc->pd->gpio_init)
-		hsudc->pd->gpio_init();
-
-	return 0;
-err_otg:
-	regulator_bulk_disable(ARRAY_SIZE(hsudc->supplies), hsudc->supplies);
-err_supplies:
-	hsudc->driver = NULL;
-	return ret;
-}
-
-static int s3c_hsudc_stop(struct usb_gadget *gadget)
-{
-	struct s3c_hsudc *hsudc = to_hsudc(gadget);
-	unsigned long flags;
-
-	if (!hsudc)
-		return -ENODEV;
-
-	spin_lock_irqsave(&hsudc->lock, flags);
-	hsudc->gadget.speed = USB_SPEED_UNKNOWN;
-	if (hsudc->pd->phy_uninit)
-		hsudc->pd->phy_uninit();
-
-	pm_runtime_put(hsudc->dev);
-
-	if (hsudc->pd->gpio_uninit)
-		hsudc->pd->gpio_uninit();
-	s3c_hsudc_stop_activity(hsudc);
-	spin_unlock_irqrestore(&hsudc->lock, flags);
-
-	if (!IS_ERR_OR_NULL(hsudc->transceiver))
-		(void) otg_set_peripheral(hsudc->transceiver->otg, NULL);
-
-	disable_irq(hsudc->irq);
-
-	regulator_bulk_disable(ARRAY_SIZE(hsudc->supplies), hsudc->supplies);
-	hsudc->driver = NULL;
-
-	return 0;
-}
-
-static inline u32 s3c_hsudc_read_frameno(struct s3c_hsudc *hsudc)
-{
-	return readl(hsudc->regs + S3C_FNR) & 0x3FF;
-}
-
-static int s3c_hsudc_gadget_getframe(struct usb_gadget *gadget)
-{
-	return s3c_hsudc_read_frameno(to_hsudc(gadget));
-}
-
-static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA)
-{
-	struct s3c_hsudc *hsudc = to_hsudc(gadget);
-
-	if (!hsudc)
-		return -ENODEV;
-
-	if (!IS_ERR_OR_NULL(hsudc->transceiver))
-		return usb_phy_set_power(hsudc->transceiver, mA);
-
-	return -EOPNOTSUPP;
-}
-
-static const struct usb_gadget_ops s3c_hsudc_gadget_ops = {
-	.get_frame	= s3c_hsudc_gadget_getframe,
-	.udc_start	= s3c_hsudc_start,
-	.udc_stop	= s3c_hsudc_stop,
-	.vbus_draw	= s3c_hsudc_vbus_draw,
-};
-
-static int s3c_hsudc_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct s3c_hsudc *hsudc;
-	struct s3c24xx_hsudc_platdata *pd = dev_get_platdata(&pdev->dev);
-	int ret, i;
-
-	hsudc = devm_kzalloc(&pdev->dev, struct_size(hsudc, ep, pd->epnum),
-			     GFP_KERNEL);
-	if (!hsudc)
-		return -ENOMEM;
-
-	platform_set_drvdata(pdev, dev);
-	hsudc->dev = dev;
-	hsudc->pd = dev_get_platdata(&pdev->dev);
-
-	hsudc->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
-
-	for (i = 0; i < ARRAY_SIZE(hsudc->supplies); i++)
-		hsudc->supplies[i].supply = s3c_hsudc_supply_names[i];
-
-	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(hsudc->supplies),
-				 hsudc->supplies);
-	if (ret != 0) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "failed to request supplies: %d\n", ret);
-		goto err_supplies;
-	}
-
-	hsudc->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(hsudc->regs)) {
-		ret = PTR_ERR(hsudc->regs);
-		goto err_res;
-	}
-
-	spin_lock_init(&hsudc->lock);
-
-	hsudc->gadget.max_speed = USB_SPEED_HIGH;
-	hsudc->gadget.ops = &s3c_hsudc_gadget_ops;
-	hsudc->gadget.name = dev_name(dev);
-	hsudc->gadget.ep0 = &hsudc->ep[0].ep;
-	hsudc->gadget.is_otg = 0;
-	hsudc->gadget.is_a_peripheral = 0;
-	hsudc->gadget.speed = USB_SPEED_UNKNOWN;
-
-	s3c_hsudc_setup_ep(hsudc);
-
-	ret = platform_get_irq(pdev, 0);
-	if (ret < 0)
-		goto err_res;
-	hsudc->irq = ret;
-
-	ret = devm_request_irq(&pdev->dev, hsudc->irq, s3c_hsudc_irq, 0,
-				driver_name, hsudc);
-	if (ret < 0) {
-		dev_err(dev, "irq request failed\n");
-		goto err_res;
-	}
-
-	hsudc->uclk = devm_clk_get(&pdev->dev, "usb-device");
-	if (IS_ERR(hsudc->uclk)) {
-		dev_err(dev, "failed to find usb-device clock source\n");
-		ret = PTR_ERR(hsudc->uclk);
-		goto err_res;
-	}
-	clk_enable(hsudc->uclk);
-
-	local_irq_disable();
-
-	disable_irq(hsudc->irq);
-	local_irq_enable();
-
-	ret = usb_add_gadget_udc(&pdev->dev, &hsudc->gadget);
-	if (ret)
-		goto err_add_udc;
-
-	pm_runtime_enable(dev);
-
-	return 0;
-err_add_udc:
-	clk_disable(hsudc->uclk);
-err_res:
-	if (!IS_ERR_OR_NULL(hsudc->transceiver))
-		usb_put_phy(hsudc->transceiver);
-
-err_supplies:
-	return ret;
-}
-
-static struct platform_driver s3c_hsudc_driver = {
-	.driver		= {
-		.name	= "s3c-hsudc",
-	},
-	.probe		= s3c_hsudc_probe,
-};
-
-module_platform_driver(s3c_hsudc_driver);
-
-MODULE_DESCRIPTION("Samsung S3C24XX USB high-speed controller driver");
-MODULE_AUTHOR("Thomas Abraham <thomas.ab@samsung.com>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:s3c-hsudc");
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
deleted file mode 100644
index 8c57b191e52b..000000000000
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ /dev/null
@@ -1,1980 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * linux/drivers/usb/gadget/s3c2410_udc.c
- *
- * Samsung S3C24xx series on-chip full speed USB device controllers
- *
- * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
- *	Additional cleanups by Ben Dooks <ben-linux@fluff.org>
- */
-
-#define pr_fmt(fmt) "s3c2410_udc: " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/timer.h>
-#include <linux/list.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/gpio/consumer.h>
-#include <linux/prefetch.h>
-#include <linux/io.h>
-
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-
-#include <linux/usb.h>
-#include <linux/usb/gadget.h>
-
-#include <asm/byteorder.h>
-#include <asm/irq.h>
-#include <asm/unaligned.h>
-
-#include <linux/platform_data/usb-s3c2410_udc.h>
-
-#include "s3c2410_udc.h"
-#include "s3c2410_udc_regs.h"
-
-#define DRIVER_DESC	"S3C2410 USB Device Controller Gadget"
-#define DRIVER_AUTHOR	"Herbert Pötzl <herbert@13thfloor.at>, " \
-			"Arnaud Patard <arnaud.patard@rtp-net.org>"
-
-static const char		gadget_name[] = "s3c2410_udc";
-static const char		driver_desc[] = DRIVER_DESC;
-
-static struct s3c2410_udc	*the_controller;
-static struct clk		*udc_clock;
-static struct clk		*usb_bus_clock;
-static void __iomem		*base_addr;
-static int			irq_usbd;
-static struct dentry		*s3c2410_udc_debugfs_root;
-
-static inline u32 udc_read(u32 reg)
-{
-	return readb(base_addr + reg);
-}
-
-static inline void udc_write(u32 value, u32 reg)
-{
-	writeb(value, base_addr + reg);
-}
-
-static inline void udc_writeb(void __iomem *base, u32 value, u32 reg)
-{
-	writeb(value, base + reg);
-}
-
-static struct s3c2410_udc_mach_info *udc_info;
-
-/*************************** DEBUG FUNCTION ***************************/
-#define DEBUG_NORMAL	1
-#define DEBUG_VERBOSE	2
-
-#ifdef CONFIG_USB_S3C2410_DEBUG
-#define USB_S3C2410_DEBUG_LEVEL 0
-
-static uint32_t s3c2410_ticks = 0;
-
-__printf(2, 3)
-static void dprintk(int level, const char *fmt, ...)
-{
-	static long prevticks;
-	static int invocation;
-	struct va_format vaf;
-	va_list args;
-
-	if (level > USB_S3C2410_DEBUG_LEVEL)
-		return;
-
-	va_start(args, fmt);
-
-	vaf.fmt = fmt;
-	vaf.va = &args;
-
-	if (s3c2410_ticks != prevticks) {
-		prevticks = s3c2410_ticks;
-		invocation = 0;
-	}
-
-	pr_debug("%1lu.%02d USB: %pV", prevticks, invocation++, &vaf);
-
-	va_end(args);
-}
-#else
-__printf(2, 3)
-static void dprintk(int level, const char *fmt, ...)
-{
-}
-#endif
-
-static int s3c2410_udc_debugfs_show(struct seq_file *m, void *p)
-{
-	u32 addr_reg, pwr_reg, ep_int_reg, usb_int_reg;
-	u32 ep_int_en_reg, usb_int_en_reg, ep0_csr;
-	u32 ep1_i_csr1, ep1_i_csr2, ep1_o_csr1, ep1_o_csr2;
-	u32 ep2_i_csr1, ep2_i_csr2, ep2_o_csr1, ep2_o_csr2;
-
-	addr_reg       = udc_read(S3C2410_UDC_FUNC_ADDR_REG);
-	pwr_reg        = udc_read(S3C2410_UDC_PWR_REG);
-	ep_int_reg     = udc_read(S3C2410_UDC_EP_INT_REG);
-	usb_int_reg    = udc_read(S3C2410_UDC_USB_INT_REG);
-	ep_int_en_reg  = udc_read(S3C2410_UDC_EP_INT_EN_REG);
-	usb_int_en_reg = udc_read(S3C2410_UDC_USB_INT_EN_REG);
-	udc_write(0, S3C2410_UDC_INDEX_REG);
-	ep0_csr        = udc_read(S3C2410_UDC_IN_CSR1_REG);
-	udc_write(1, S3C2410_UDC_INDEX_REG);
-	ep1_i_csr1     = udc_read(S3C2410_UDC_IN_CSR1_REG);
-	ep1_i_csr2     = udc_read(S3C2410_UDC_IN_CSR2_REG);
-	ep1_o_csr1     = udc_read(S3C2410_UDC_IN_CSR1_REG);
-	ep1_o_csr2     = udc_read(S3C2410_UDC_IN_CSR2_REG);
-	udc_write(2, S3C2410_UDC_INDEX_REG);
-	ep2_i_csr1     = udc_read(S3C2410_UDC_IN_CSR1_REG);
-	ep2_i_csr2     = udc_read(S3C2410_UDC_IN_CSR2_REG);
-	ep2_o_csr1     = udc_read(S3C2410_UDC_IN_CSR1_REG);
-	ep2_o_csr2     = udc_read(S3C2410_UDC_IN_CSR2_REG);
-
-	seq_printf(m, "FUNC_ADDR_REG  : 0x%04X\n"
-		 "PWR_REG        : 0x%04X\n"
-		 "EP_INT_REG     : 0x%04X\n"
-		 "USB_INT_REG    : 0x%04X\n"
-		 "EP_INT_EN_REG  : 0x%04X\n"
-		 "USB_INT_EN_REG : 0x%04X\n"
-		 "EP0_CSR        : 0x%04X\n"
-		 "EP1_I_CSR1     : 0x%04X\n"
-		 "EP1_I_CSR2     : 0x%04X\n"
-		 "EP1_O_CSR1     : 0x%04X\n"
-		 "EP1_O_CSR2     : 0x%04X\n"
-		 "EP2_I_CSR1     : 0x%04X\n"
-		 "EP2_I_CSR2     : 0x%04X\n"
-		 "EP2_O_CSR1     : 0x%04X\n"
-		 "EP2_O_CSR2     : 0x%04X\n",
-			addr_reg, pwr_reg, ep_int_reg, usb_int_reg,
-			ep_int_en_reg, usb_int_en_reg, ep0_csr,
-			ep1_i_csr1, ep1_i_csr2, ep1_o_csr1, ep1_o_csr2,
-			ep2_i_csr1, ep2_i_csr2, ep2_o_csr1, ep2_o_csr2
-		);
-
-	return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(s3c2410_udc_debugfs);
-
-/* io macros */
-
-static inline void s3c2410_udc_clear_ep0_opr(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, S3C2410_UDC_EP0_CSR_SOPKTRDY,
-			S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_clear_ep0_sst(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	writeb(0x00, base + S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_clear_ep0_se(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, S3C2410_UDC_EP0_CSR_SSE, S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_set_ep0_ipr(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, S3C2410_UDC_EP0_CSR_IPKRDY, S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_set_ep0_de(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, S3C2410_UDC_EP0_CSR_DE, S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_set_ep0_ss(void __iomem *b)
-{
-	udc_writeb(b, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(b, S3C2410_UDC_EP0_CSR_SENDSTL, S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_set_ep0_de_out(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-
-	udc_writeb(base, (S3C2410_UDC_EP0_CSR_SOPKTRDY
-				| S3C2410_UDC_EP0_CSR_DE),
-			S3C2410_UDC_EP0_CSR_REG);
-}
-
-static inline void s3c2410_udc_set_ep0_de_in(void __iomem *base)
-{
-	udc_writeb(base, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	udc_writeb(base, (S3C2410_UDC_EP0_CSR_IPKRDY
-			| S3C2410_UDC_EP0_CSR_DE),
-		S3C2410_UDC_EP0_CSR_REG);
-}
-
-/*------------------------- I/O ----------------------------------*/
-
-/*
- *	s3c2410_udc_done
- */
-static void s3c2410_udc_done(struct s3c2410_ep *ep,
-		struct s3c2410_request *req, int status)
-{
-	unsigned halted = ep->halted;
-
-	list_del_init(&req->queue);
-
-	if (likely(req->req.status == -EINPROGRESS))
-		req->req.status = status;
-	else
-		status = req->req.status;
-
-	ep->halted = 1;
-	usb_gadget_giveback_request(&ep->ep, &req->req);
-	ep->halted = halted;
-}
-
-static void s3c2410_udc_nuke(struct s3c2410_udc *udc,
-		struct s3c2410_ep *ep, int status)
-{
-	while (!list_empty(&ep->queue)) {
-		struct s3c2410_request *req;
-		req = list_entry(ep->queue.next, struct s3c2410_request,
-				queue);
-		s3c2410_udc_done(ep, req, status);
-	}
-}
-
-static inline int s3c2410_udc_fifo_count_out(void)
-{
-	int tmp;
-
-	tmp = udc_read(S3C2410_UDC_OUT_FIFO_CNT2_REG) << 8;
-	tmp |= udc_read(S3C2410_UDC_OUT_FIFO_CNT1_REG);
-	return tmp;
-}
-
-/*
- *	s3c2410_udc_write_packet
- */
-static inline int s3c2410_udc_write_packet(int fifo,
-		struct s3c2410_request *req,
-		unsigned max)
-{
-	unsigned len = min(req->req.length - req->req.actual, max);
-	u8 *buf = req->req.buf + req->req.actual;
-
-	prefetch(buf);
-
-	dprintk(DEBUG_VERBOSE, "%s %d %d %d %d\n", __func__,
-		req->req.actual, req->req.length, len, req->req.actual + len);
-
-	req->req.actual += len;
-
-	udelay(5);
-	writesb(base_addr + fifo, buf, len);
-	return len;
-}
-
-/*
- *	s3c2410_udc_write_fifo
- *
- * return:  0 = still running, 1 = completed, negative = errno
- */
-static int s3c2410_udc_write_fifo(struct s3c2410_ep *ep,
-		struct s3c2410_request *req)
-{
-	unsigned	count;
-	int		is_last;
-	u32		idx;
-	int		fifo_reg;
-	u32		ep_csr;
-
-	idx = ep->bEndpointAddress & 0x7F;
-	switch (idx) {
-	default:
-		idx = 0;
-		fallthrough;
-	case 0:
-		fifo_reg = S3C2410_UDC_EP0_FIFO_REG;
-		break;
-	case 1:
-		fifo_reg = S3C2410_UDC_EP1_FIFO_REG;
-		break;
-	case 2:
-		fifo_reg = S3C2410_UDC_EP2_FIFO_REG;
-		break;
-	case 3:
-		fifo_reg = S3C2410_UDC_EP3_FIFO_REG;
-		break;
-	case 4:
-		fifo_reg = S3C2410_UDC_EP4_FIFO_REG;
-		break;
-	}
-
-	count = s3c2410_udc_write_packet(fifo_reg, req, ep->ep.maxpacket);
-
-	/* last packet is often short (sometimes a zlp) */
-	if (count != ep->ep.maxpacket)
-		is_last = 1;
-	else if (req->req.length != req->req.actual || req->req.zero)
-		is_last = 0;
-	else
-		is_last = 2;
-
-	/* Only ep0 debug messages are interesting */
-	if (idx == 0)
-		dprintk(DEBUG_NORMAL,
-			"Written ep%d %d.%d of %d b [last %d,z %d]\n",
-			idx, count, req->req.actual, req->req.length,
-			is_last, req->req.zero);
-
-	if (is_last) {
-		/* The order is important. It prevents sending 2 packets
-		 * at the same time */
-
-		if (idx == 0) {
-			/* Reset signal => no need to say 'data sent' */
-			if (!(udc_read(S3C2410_UDC_USB_INT_REG)
-					& S3C2410_UDC_USBINT_RESET))
-				s3c2410_udc_set_ep0_de_in(base_addr);
-			ep->dev->ep0state = EP0_IDLE;
-		} else {
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			ep_csr = udc_read(S3C2410_UDC_IN_CSR1_REG);
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr | S3C2410_UDC_ICSR1_PKTRDY,
-					S3C2410_UDC_IN_CSR1_REG);
-		}
-
-		s3c2410_udc_done(ep, req, 0);
-		is_last = 1;
-	} else {
-		if (idx == 0) {
-			/* Reset signal => no need to say 'data sent' */
-			if (!(udc_read(S3C2410_UDC_USB_INT_REG)
-					& S3C2410_UDC_USBINT_RESET))
-				s3c2410_udc_set_ep0_ipr(base_addr);
-		} else {
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			ep_csr = udc_read(S3C2410_UDC_IN_CSR1_REG);
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr | S3C2410_UDC_ICSR1_PKTRDY,
-					S3C2410_UDC_IN_CSR1_REG);
-		}
-	}
-
-	return is_last;
-}
-
-static inline int s3c2410_udc_read_packet(int fifo, u8 *buf,
-		struct s3c2410_request *req, unsigned avail)
-{
-	unsigned len;
-
-	len = min(req->req.length - req->req.actual, avail);
-	req->req.actual += len;
-
-	readsb(fifo + base_addr, buf, len);
-	return len;
-}
-
-/*
- * return:  0 = still running, 1 = queue empty, negative = errno
- */
-static int s3c2410_udc_read_fifo(struct s3c2410_ep *ep,
-				 struct s3c2410_request *req)
-{
-	u8		*buf;
-	u32		ep_csr;
-	unsigned	bufferspace;
-	int		is_last = 1;
-	unsigned	avail;
-	int		fifo_count = 0;
-	u32		idx;
-	int		fifo_reg;
-
-	idx = ep->bEndpointAddress & 0x7F;
-
-	switch (idx) {
-	default:
-		idx = 0;
-		fallthrough;
-	case 0:
-		fifo_reg = S3C2410_UDC_EP0_FIFO_REG;
-		break;
-	case 1:
-		fifo_reg = S3C2410_UDC_EP1_FIFO_REG;
-		break;
-	case 2:
-		fifo_reg = S3C2410_UDC_EP2_FIFO_REG;
-		break;
-	case 3:
-		fifo_reg = S3C2410_UDC_EP3_FIFO_REG;
-		break;
-	case 4:
-		fifo_reg = S3C2410_UDC_EP4_FIFO_REG;
-		break;
-	}
-
-	if (!req->req.length)
-		return 1;
-
-	buf = req->req.buf + req->req.actual;
-	bufferspace = req->req.length - req->req.actual;
-	if (!bufferspace) {
-		dprintk(DEBUG_NORMAL, "%s: buffer full!\n", __func__);
-		return -1;
-	}
-
-	udc_write(idx, S3C2410_UDC_INDEX_REG);
-
-	fifo_count = s3c2410_udc_fifo_count_out();
-	dprintk(DEBUG_NORMAL, "%s fifo count : %d\n", __func__, fifo_count);
-
-	if (fifo_count > ep->ep.maxpacket)
-		avail = ep->ep.maxpacket;
-	else
-		avail = fifo_count;
-
-	fifo_count = s3c2410_udc_read_packet(fifo_reg, buf, req, avail);
-
-	/* checking this with ep0 is not accurate as we already
-	 * read a control request
-	 **/
-	if (idx != 0 && fifo_count < ep->ep.maxpacket) {
-		is_last = 1;
-		/* overflowed this request?  flush extra data */
-		if (fifo_count != avail)
-			req->req.status = -EOVERFLOW;
-	} else {
-		is_last = (req->req.length <= req->req.actual) ? 1 : 0;
-	}
-
-	udc_write(idx, S3C2410_UDC_INDEX_REG);
-	fifo_count = s3c2410_udc_fifo_count_out();
-
-	/* Only ep0 debug messages are interesting */
-	if (idx == 0)
-		dprintk(DEBUG_VERBOSE, "%s fifo count : %d [last %d]\n",
-			__func__, fifo_count, is_last);
-
-	if (is_last) {
-		if (idx == 0) {
-			s3c2410_udc_set_ep0_de_out(base_addr);
-			ep->dev->ep0state = EP0_IDLE;
-		} else {
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			ep_csr = udc_read(S3C2410_UDC_OUT_CSR1_REG);
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr & ~S3C2410_UDC_OCSR1_PKTRDY,
-					S3C2410_UDC_OUT_CSR1_REG);
-		}
-
-		s3c2410_udc_done(ep, req, 0);
-	} else {
-		if (idx == 0) {
-			s3c2410_udc_clear_ep0_opr(base_addr);
-		} else {
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			ep_csr = udc_read(S3C2410_UDC_OUT_CSR1_REG);
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr & ~S3C2410_UDC_OCSR1_PKTRDY,
-					S3C2410_UDC_OUT_CSR1_REG);
-		}
-	}
-
-	return is_last;
-}
-
-static int s3c2410_udc_read_fifo_crq(struct usb_ctrlrequest *crq)
-{
-	unsigned char *outbuf = (unsigned char *)crq;
-	int bytes_read = 0;
-
-	udc_write(0, S3C2410_UDC_INDEX_REG);
-
-	bytes_read = s3c2410_udc_fifo_count_out();
-
-	dprintk(DEBUG_NORMAL, "%s: fifo_count=%d\n", __func__, bytes_read);
-
-	if (bytes_read > sizeof(struct usb_ctrlrequest))
-		bytes_read = sizeof(struct usb_ctrlrequest);
-
-	readsb(S3C2410_UDC_EP0_FIFO_REG + base_addr, outbuf, bytes_read);
-
-	dprintk(DEBUG_VERBOSE, "%s: len=%d %02x:%02x {%x,%x,%x}\n", __func__,
-		bytes_read, crq->bRequest, crq->bRequestType,
-		crq->wValue, crq->wIndex, crq->wLength);
-
-	return bytes_read;
-}
-
-static int s3c2410_udc_get_status(struct s3c2410_udc *dev,
-		struct usb_ctrlrequest *crq)
-{
-	u16 status = 0;
-	u8 ep_num = crq->wIndex & 0x7F;
-	u8 is_in = crq->wIndex & USB_DIR_IN;
-
-	switch (crq->bRequestType & USB_RECIP_MASK) {
-	case USB_RECIP_INTERFACE:
-		break;
-
-	case USB_RECIP_DEVICE:
-		status = dev->devstatus;
-		break;
-
-	case USB_RECIP_ENDPOINT:
-		if (ep_num > 4 || crq->wLength > 2)
-			return 1;
-
-		if (ep_num == 0) {
-			udc_write(0, S3C2410_UDC_INDEX_REG);
-			status = udc_read(S3C2410_UDC_IN_CSR1_REG);
-			status = status & S3C2410_UDC_EP0_CSR_SENDSTL;
-		} else {
-			udc_write(ep_num, S3C2410_UDC_INDEX_REG);
-			if (is_in) {
-				status = udc_read(S3C2410_UDC_IN_CSR1_REG);
-				status = status & S3C2410_UDC_ICSR1_SENDSTL;
-			} else {
-				status = udc_read(S3C2410_UDC_OUT_CSR1_REG);
-				status = status & S3C2410_UDC_OCSR1_SENDSTL;
-			}
-		}
-
-		status = status ? 1 : 0;
-		break;
-
-	default:
-		return 1;
-	}
-
-	/* Seems to be needed to get it working. ouch :( */
-	udelay(5);
-	udc_write(status & 0xFF, S3C2410_UDC_EP0_FIFO_REG);
-	udc_write(status >> 8, S3C2410_UDC_EP0_FIFO_REG);
-	s3c2410_udc_set_ep0_de_in(base_addr);
-
-	return 0;
-}
-/*------------------------- usb state machine -------------------------------*/
-static int s3c2410_udc_set_halt(struct usb_ep *_ep, int value);
-
-static void s3c2410_udc_handle_ep0_idle(struct s3c2410_udc *dev,
-					struct s3c2410_ep *ep,
-					struct usb_ctrlrequest *crq,
-					u32 ep0csr)
-{
-	int len, ret, tmp;
-
-	/* start control request? */
-	if (!(ep0csr & S3C2410_UDC_EP0_CSR_OPKRDY))
-		return;
-
-	s3c2410_udc_nuke(dev, ep, -EPROTO);
-
-	len = s3c2410_udc_read_fifo_crq(crq);
-	if (len != sizeof(*crq)) {
-		dprintk(DEBUG_NORMAL, "setup begin: fifo READ ERROR"
-			" wanted %d bytes got %d. Stalling out...\n",
-			sizeof(*crq), len);
-		s3c2410_udc_set_ep0_ss(base_addr);
-		return;
-	}
-
-	dprintk(DEBUG_NORMAL, "bRequest = %d bRequestType %d wLength = %d\n",
-		crq->bRequest, crq->bRequestType, crq->wLength);
-
-	/* cope with automagic for some standard requests. */
-	dev->req_std = (crq->bRequestType & USB_TYPE_MASK)
-		== USB_TYPE_STANDARD;
-	dev->req_config = 0;
-	dev->req_pending = 1;
-
-	switch (crq->bRequest) {
-	case USB_REQ_SET_CONFIGURATION:
-		dprintk(DEBUG_NORMAL, "USB_REQ_SET_CONFIGURATION ...\n");
-
-		if (crq->bRequestType == USB_RECIP_DEVICE) {
-			dev->req_config = 1;
-			s3c2410_udc_set_ep0_de_out(base_addr);
-		}
-		break;
-
-	case USB_REQ_SET_INTERFACE:
-		dprintk(DEBUG_NORMAL, "USB_REQ_SET_INTERFACE ...\n");
-
-		if (crq->bRequestType == USB_RECIP_INTERFACE) {
-			dev->req_config = 1;
-			s3c2410_udc_set_ep0_de_out(base_addr);
-		}
-		break;
-
-	case USB_REQ_SET_ADDRESS:
-		dprintk(DEBUG_NORMAL, "USB_REQ_SET_ADDRESS ...\n");
-
-		if (crq->bRequestType == USB_RECIP_DEVICE) {
-			tmp = crq->wValue & 0x7F;
-			dev->address = tmp;
-			udc_write((tmp | S3C2410_UDC_FUNCADDR_UPDATE),
-					S3C2410_UDC_FUNC_ADDR_REG);
-			s3c2410_udc_set_ep0_de_out(base_addr);
-			return;
-		}
-		break;
-
-	case USB_REQ_GET_STATUS:
-		dprintk(DEBUG_NORMAL, "USB_REQ_GET_STATUS ...\n");
-		s3c2410_udc_clear_ep0_opr(base_addr);
-
-		if (dev->req_std) {
-			if (!s3c2410_udc_get_status(dev, crq))
-				return;
-		}
-		break;
-
-	case USB_REQ_CLEAR_FEATURE:
-		s3c2410_udc_clear_ep0_opr(base_addr);
-
-		if (crq->bRequestType != USB_RECIP_ENDPOINT)
-			break;
-
-		if (crq->wValue != USB_ENDPOINT_HALT || crq->wLength != 0)
-			break;
-
-		s3c2410_udc_set_halt(&dev->ep[crq->wIndex & 0x7f].ep, 0);
-		s3c2410_udc_set_ep0_de_out(base_addr);
-		return;
-
-	case USB_REQ_SET_FEATURE:
-		s3c2410_udc_clear_ep0_opr(base_addr);
-
-		if (crq->bRequestType != USB_RECIP_ENDPOINT)
-			break;
-
-		if (crq->wValue != USB_ENDPOINT_HALT || crq->wLength != 0)
-			break;
-
-		s3c2410_udc_set_halt(&dev->ep[crq->wIndex & 0x7f].ep, 1);
-		s3c2410_udc_set_ep0_de_out(base_addr);
-		return;
-
-	default:
-		s3c2410_udc_clear_ep0_opr(base_addr);
-		break;
-	}
-
-	if (crq->bRequestType & USB_DIR_IN)
-		dev->ep0state = EP0_IN_DATA_PHASE;
-	else
-		dev->ep0state = EP0_OUT_DATA_PHASE;
-
-	if (!dev->driver)
-		return;
-
-	/* deliver the request to the gadget driver */
-	ret = dev->driver->setup(&dev->gadget, crq);
-	if (ret < 0) {
-		if (dev->req_config) {
-			dprintk(DEBUG_NORMAL, "config change %02x fail %d?\n",
-				crq->bRequest, ret);
-			return;
-		}
-
-		if (ret == -EOPNOTSUPP)
-			dprintk(DEBUG_NORMAL, "Operation not supported\n");
-		else
-			dprintk(DEBUG_NORMAL,
-				"dev->driver->setup failed. (%d)\n", ret);
-
-		udelay(5);
-		s3c2410_udc_set_ep0_ss(base_addr);
-		s3c2410_udc_set_ep0_de_out(base_addr);
-		dev->ep0state = EP0_IDLE;
-		/* deferred i/o == no response yet */
-	} else if (dev->req_pending) {
-		dprintk(DEBUG_VERBOSE, "dev->req_pending... what now?\n");
-		dev->req_pending = 0;
-	}
-
-	dprintk(DEBUG_VERBOSE, "ep0state %s\n", ep0states[dev->ep0state]);
-}
-
-static void s3c2410_udc_handle_ep0(struct s3c2410_udc *dev)
-{
-	u32			ep0csr;
-	struct s3c2410_ep	*ep = &dev->ep[0];
-	struct s3c2410_request	*req;
-	struct usb_ctrlrequest	crq;
-
-	if (list_empty(&ep->queue))
-		req = NULL;
-	else
-		req = list_entry(ep->queue.next, struct s3c2410_request, queue);
-
-	/* We make the assumption that S3C2410_UDC_IN_CSR1_REG equal to
-	 * S3C2410_UDC_EP0_CSR_REG when index is zero */
-
-	udc_write(0, S3C2410_UDC_INDEX_REG);
-	ep0csr = udc_read(S3C2410_UDC_IN_CSR1_REG);
-
-	dprintk(DEBUG_NORMAL, "ep0csr %x ep0state %s\n",
-		ep0csr, ep0states[dev->ep0state]);
-
-	/* clear stall status */
-	if (ep0csr & S3C2410_UDC_EP0_CSR_SENTSTL) {
-		s3c2410_udc_nuke(dev, ep, -EPIPE);
-		dprintk(DEBUG_NORMAL, "... clear SENT_STALL ...\n");
-		s3c2410_udc_clear_ep0_sst(base_addr);
-		dev->ep0state = EP0_IDLE;
-		return;
-	}
-
-	/* clear setup end */
-	if (ep0csr & S3C2410_UDC_EP0_CSR_SE) {
-		dprintk(DEBUG_NORMAL, "... serviced SETUP_END ...\n");
-		s3c2410_udc_nuke(dev, ep, 0);
-		s3c2410_udc_clear_ep0_se(base_addr);
-		dev->ep0state = EP0_IDLE;
-	}
-
-	switch (dev->ep0state) {
-	case EP0_IDLE:
-		s3c2410_udc_handle_ep0_idle(dev, ep, &crq, ep0csr);
-		break;
-
-	case EP0_IN_DATA_PHASE:			/* GET_DESCRIPTOR etc */
-		dprintk(DEBUG_NORMAL, "EP0_IN_DATA_PHASE ... what now?\n");
-		if (!(ep0csr & S3C2410_UDC_EP0_CSR_IPKRDY) && req)
-			s3c2410_udc_write_fifo(ep, req);
-		break;
-
-	case EP0_OUT_DATA_PHASE:		/* SET_DESCRIPTOR etc */
-		dprintk(DEBUG_NORMAL, "EP0_OUT_DATA_PHASE ... what now?\n");
-		if ((ep0csr & S3C2410_UDC_EP0_CSR_OPKRDY) && req)
-			s3c2410_udc_read_fifo(ep, req);
-		break;
-
-	case EP0_END_XFER:
-		dprintk(DEBUG_NORMAL, "EP0_END_XFER ... what now?\n");
-		dev->ep0state = EP0_IDLE;
-		break;
-
-	case EP0_STALL:
-		dprintk(DEBUG_NORMAL, "EP0_STALL ... what now?\n");
-		dev->ep0state = EP0_IDLE;
-		break;
-	}
-}
-
-/*
- *	handle_ep - Manage I/O endpoints
- */
-
-static void s3c2410_udc_handle_ep(struct s3c2410_ep *ep)
-{
-	struct s3c2410_request	*req;
-	int			is_in = ep->bEndpointAddress & USB_DIR_IN;
-	u32			ep_csr1;
-	u32			idx;
-
-	if (likely(!list_empty(&ep->queue)))
-		req = list_entry(ep->queue.next,
-				struct s3c2410_request, queue);
-	else
-		req = NULL;
-
-	idx = ep->bEndpointAddress & 0x7F;
-
-	if (is_in) {
-		udc_write(idx, S3C2410_UDC_INDEX_REG);
-		ep_csr1 = udc_read(S3C2410_UDC_IN_CSR1_REG);
-		dprintk(DEBUG_VERBOSE, "ep%01d write csr:%02x %d\n",
-			idx, ep_csr1, req ? 1 : 0);
-
-		if (ep_csr1 & S3C2410_UDC_ICSR1_SENTSTL) {
-			dprintk(DEBUG_VERBOSE, "st\n");
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr1 & ~S3C2410_UDC_ICSR1_SENTSTL,
-					S3C2410_UDC_IN_CSR1_REG);
-			return;
-		}
-
-		if (!(ep_csr1 & S3C2410_UDC_ICSR1_PKTRDY) && req)
-			s3c2410_udc_write_fifo(ep, req);
-	} else {
-		udc_write(idx, S3C2410_UDC_INDEX_REG);
-		ep_csr1 = udc_read(S3C2410_UDC_OUT_CSR1_REG);
-		dprintk(DEBUG_VERBOSE, "ep%01d rd csr:%02x\n", idx, ep_csr1);
-
-		if (ep_csr1 & S3C2410_UDC_OCSR1_SENTSTL) {
-			udc_write(idx, S3C2410_UDC_INDEX_REG);
-			udc_write(ep_csr1 & ~S3C2410_UDC_OCSR1_SENTSTL,
-					S3C2410_UDC_OUT_CSR1_REG);
-			return;
-		}
-
-		if ((ep_csr1 & S3C2410_UDC_OCSR1_PKTRDY) && req)
-			s3c2410_udc_read_fifo(ep, req);
-	}
-}
-
-/*
- *	s3c2410_udc_irq - interrupt handler
- */
-static irqreturn_t s3c2410_udc_irq(int dummy, void *_dev)
-{
-	struct s3c2410_udc *dev = _dev;
-	int usb_status;
-	int usbd_status;
-	int pwr_reg;
-	int ep0csr;
-	int i;
-	u32 idx, idx2;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev->lock, flags);
-
-	/* Driver connected ? */
-	if (!dev->driver) {
-		/* Clear interrupts */
-		udc_write(udc_read(S3C2410_UDC_USB_INT_REG),
-				S3C2410_UDC_USB_INT_REG);
-		udc_write(udc_read(S3C2410_UDC_EP_INT_REG),
-				S3C2410_UDC_EP_INT_REG);
-	}
-
-	/* Save index */
-	idx = udc_read(S3C2410_UDC_INDEX_REG);
-
-	/* Read status registers */
-	usb_status = udc_read(S3C2410_UDC_USB_INT_REG);
-	usbd_status = udc_read(S3C2410_UDC_EP_INT_REG);
-	pwr_reg = udc_read(S3C2410_UDC_PWR_REG);
-
-	udc_writeb(base_addr, S3C2410_UDC_INDEX_EP0, S3C2410_UDC_INDEX_REG);
-	ep0csr = udc_read(S3C2410_UDC_IN_CSR1_REG);
-
-	dprintk(DEBUG_NORMAL, "usbs=%02x, usbds=%02x, pwr=%02x ep0csr=%02x\n",
-		usb_status, usbd_status, pwr_reg, ep0csr);
-
-	/*
-	 * Now, handle interrupts. There's two types :
-	 * - Reset, Resume, Suspend coming -> usb_int_reg
-	 * - EP -> ep_int_reg
-	 */
-
-	/* RESET */
-	if (usb_status & S3C2410_UDC_USBINT_RESET) {
-		/* two kind of reset :
-		 * - reset start -> pwr reg = 8
-		 * - reset end   -> pwr reg = 0
-		 **/
-		dprintk(DEBUG_NORMAL, "USB reset csr %x pwr %x\n",
-			ep0csr, pwr_reg);
-
-		dev->gadget.speed = USB_SPEED_UNKNOWN;
-		udc_write(0x00, S3C2410_UDC_INDEX_REG);
-		udc_write((dev->ep[0].ep.maxpacket & 0x7ff) >> 3,
-				S3C2410_UDC_MAXP_REG);
-		dev->address = 0;
-
-		dev->ep0state = EP0_IDLE;
-		dev->gadget.speed = USB_SPEED_FULL;
-
-		/* clear interrupt */
-		udc_write(S3C2410_UDC_USBINT_RESET,
-				S3C2410_UDC_USB_INT_REG);
-
-		udc_write(idx, S3C2410_UDC_INDEX_REG);
-		spin_unlock_irqrestore(&dev->lock, flags);
-		return IRQ_HANDLED;
-	}
-
-	/* RESUME */
-	if (usb_status & S3C2410_UDC_USBINT_RESUME) {
-		dprintk(DEBUG_NORMAL, "USB resume\n");
-
-		/* clear interrupt */
-		udc_write(S3C2410_UDC_USBINT_RESUME,
-				S3C2410_UDC_USB_INT_REG);
-
-		if (dev->gadget.speed != USB_SPEED_UNKNOWN
-				&& dev->driver
-				&& dev->driver->resume)
-			dev->driver->resume(&dev->gadget);
-	}
-
-	/* SUSPEND */
-	if (usb_status & S3C2410_UDC_USBINT_SUSPEND) {
-		dprintk(DEBUG_NORMAL, "USB suspend\n");
-
-		/* clear interrupt */
-		udc_write(S3C2410_UDC_USBINT_SUSPEND,
-				S3C2410_UDC_USB_INT_REG);
-
-		if (dev->gadget.speed != USB_SPEED_UNKNOWN
-				&& dev->driver
-				&& dev->driver->suspend)
-			dev->driver->suspend(&dev->gadget);
-
-		dev->ep0state = EP0_IDLE;
-	}
-
-	/* EP */
-	/* control traffic */
-	/* check on ep0csr != 0 is not a good idea as clearing in_pkt_ready
-	 * generate an interrupt
-	 */
-	if (usbd_status & S3C2410_UDC_INT_EP0) {
-		dprintk(DEBUG_VERBOSE, "USB ep0 irq\n");
-		/* Clear the interrupt bit by setting it to 1 */
-		udc_write(S3C2410_UDC_INT_EP0, S3C2410_UDC_EP_INT_REG);
-		s3c2410_udc_handle_ep0(dev);
-	}
-
-	/* endpoint data transfers */
-	for (i = 1; i < S3C2410_ENDPOINTS; i++) {
-		u32 tmp = 1 << i;
-		if (usbd_status & tmp) {
-			dprintk(DEBUG_VERBOSE, "USB ep%d irq\n", i);
-
-			/* Clear the interrupt bit by setting it to 1 */
-			udc_write(tmp, S3C2410_UDC_EP_INT_REG);
-			s3c2410_udc_handle_ep(&dev->ep[i]);
-		}
-	}
-
-	/* what else causes this interrupt? a receive! who is it? */
-	if (!usb_status && !usbd_status && !pwr_reg && !ep0csr) {
-		for (i = 1; i < S3C2410_ENDPOINTS; i++) {
-			idx2 = udc_read(S3C2410_UDC_INDEX_REG);
-			udc_write(i, S3C2410_UDC_INDEX_REG);
-
-			if (udc_read(S3C2410_UDC_OUT_CSR1_REG) & 0x1)
-				s3c2410_udc_handle_ep(&dev->ep[i]);
-
-			/* restore index */
-			udc_write(idx2, S3C2410_UDC_INDEX_REG);
-		}
-	}
-
-	dprintk(DEBUG_VERBOSE, "irq: %d s3c2410_udc_done.\n", irq_usbd);
-
-	/* Restore old index */
-	udc_write(idx, S3C2410_UDC_INDEX_REG);
-
-	spin_unlock_irqrestore(&dev->lock, flags);
-
-	return IRQ_HANDLED;
-}
-/*------------------------- s3c2410_ep_ops ----------------------------------*/
-
-static inline struct s3c2410_ep *to_s3c2410_ep(struct usb_ep *ep)
-{
-	return container_of(ep, struct s3c2410_ep, ep);
-}
-
-static inline struct s3c2410_udc *to_s3c2410_udc(struct usb_gadget *gadget)
-{
-	return container_of(gadget, struct s3c2410_udc, gadget);
-}
-
-static inline struct s3c2410_request *to_s3c2410_req(struct usb_request *req)
-{
-	return container_of(req, struct s3c2410_request, req);
-}
-
-/*
- *	s3c2410_udc_ep_enable
- */
-static int s3c2410_udc_ep_enable(struct usb_ep *_ep,
-				 const struct usb_endpoint_descriptor *desc)
-{
-	struct s3c2410_udc	*dev;
-	struct s3c2410_ep	*ep;
-	u32			max, tmp;
-	unsigned long		flags;
-	u32			csr1, csr2;
-	u32			int_en_reg;
-
-	ep = to_s3c2410_ep(_ep);
-
-	if (!_ep || !desc
-			|| _ep->name == ep0name
-			|| desc->bDescriptorType != USB_DT_ENDPOINT)
-		return -EINVAL;
-
-	dev = ep->dev;
-	if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
-		return -ESHUTDOWN;
-
-	max = usb_endpoint_maxp(desc);
-
-	local_irq_save(flags);
-	_ep->maxpacket = max;
-	ep->ep.desc = desc;
-	ep->halted = 0;
-	ep->bEndpointAddress = desc->bEndpointAddress;
-
-	/* set max packet */
-	udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-	udc_write(max >> 3, S3C2410_UDC_MAXP_REG);
-
-	/* set type, direction, address; reset fifo counters */
-	if (desc->bEndpointAddress & USB_DIR_IN) {
-		csr1 = S3C2410_UDC_ICSR1_FFLUSH|S3C2410_UDC_ICSR1_CLRDT;
-		csr2 = S3C2410_UDC_ICSR2_MODEIN|S3C2410_UDC_ICSR2_DMAIEN;
-
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr1, S3C2410_UDC_IN_CSR1_REG);
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr2, S3C2410_UDC_IN_CSR2_REG);
-	} else {
-		/* don't flush in fifo or it will cause endpoint interrupt */
-		csr1 = S3C2410_UDC_ICSR1_CLRDT;
-		csr2 = S3C2410_UDC_ICSR2_DMAIEN;
-
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr1, S3C2410_UDC_IN_CSR1_REG);
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr2, S3C2410_UDC_IN_CSR2_REG);
-
-		csr1 = S3C2410_UDC_OCSR1_FFLUSH | S3C2410_UDC_OCSR1_CLRDT;
-		csr2 = S3C2410_UDC_OCSR2_DMAIEN;
-
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr1, S3C2410_UDC_OUT_CSR1_REG);
-		udc_write(ep->num, S3C2410_UDC_INDEX_REG);
-		udc_write(csr2, S3C2410_UDC_OUT_CSR2_REG);
-	}
-
-	/* enable irqs */
-	int_en_reg = udc_read(S3C2410_UDC_EP_INT_EN_REG);
-	udc_write(int_en_reg | (1 << ep->num), S3C2410_UDC_EP_INT_EN_REG);
-
-	/* print some debug message */
-	tmp = desc->bEndpointAddress;
-	dprintk(DEBUG_NORMAL, "enable %s(%d) ep%x%s-blk max %02x\n",
-		 _ep->name, ep->num, tmp,
-		 desc->bEndpointAddress & USB_DIR_IN ? "in" : "out", max);
-
-	local_irq_restore(flags);
-	s3c2410_udc_set_halt(_ep, 0);
-
-	return 0;
-}
-
-/*
- * s3c2410_udc_ep_disable
- */
-static int s3c2410_udc_ep_disable(struct usb_ep *_ep)
-{
-	struct s3c2410_ep *ep = to_s3c2410_ep(_ep);
-	unsigned long flags;
-	u32 int_en_reg;
-
-	if (!_ep || !ep->ep.desc) {
-		dprintk(DEBUG_NORMAL, "%s not enabled\n",
-			_ep ? ep->ep.name : NULL);
-		return -EINVAL;
-	}
-
-	local_irq_save(flags);
-
-	dprintk(DEBUG_NORMAL, "ep_disable: %s\n", _ep->name);
-
-	ep->ep.desc = NULL;
-	ep->halted = 1;
-
-	s3c2410_udc_nuke(ep->dev, ep, -ESHUTDOWN);
-
-	/* disable irqs */
-	int_en_reg = udc_read(S3C2410_UDC_EP_INT_EN_REG);
-	udc_write(int_en_reg & ~(1<<ep->num), S3C2410_UDC_EP_INT_EN_REG);
-
-	local_irq_restore(flags);
-
-	dprintk(DEBUG_NORMAL, "%s disabled\n", _ep->name);
-
-	return 0;
-}
-
-/*
- * s3c2410_udc_alloc_request
- */
-static struct usb_request *
-s3c2410_udc_alloc_request(struct usb_ep *_ep, gfp_t mem_flags)
-{
-	struct s3c2410_request *req;
-
-	dprintk(DEBUG_VERBOSE, "%s(%p,%d)\n", __func__, _ep, mem_flags);
-
-	if (!_ep)
-		return NULL;
-
-	req = kzalloc(sizeof(struct s3c2410_request), mem_flags);
-	if (!req)
-		return NULL;
-
-	INIT_LIST_HEAD(&req->queue);
-	return &req->req;
-}
-
-/*
- * s3c2410_udc_free_request
- */
-static void
-s3c2410_udc_free_request(struct usb_ep *_ep, struct usb_request *_req)
-{
-	struct s3c2410_ep	*ep = to_s3c2410_ep(_ep);
-	struct s3c2410_request	*req = to_s3c2410_req(_req);
-
-	dprintk(DEBUG_VERBOSE, "%s(%p,%p)\n", __func__, _ep, _req);
-
-	if (!ep || !_req || (!ep->ep.desc && _ep->name != ep0name))
-		return;
-
-	WARN_ON(!list_empty(&req->queue));
-	kfree(req);
-}
-
-/*
- *	s3c2410_udc_queue
- */
-static int s3c2410_udc_queue(struct usb_ep *_ep, struct usb_request *_req,
-		gfp_t gfp_flags)
-{
-	struct s3c2410_request	*req = to_s3c2410_req(_req);
-	struct s3c2410_ep	*ep = to_s3c2410_ep(_ep);
-	struct s3c2410_udc	*dev;
-	u32			ep_csr = 0;
-	int			fifo_count = 0;
-	unsigned long		flags;
-
-	if (unlikely(!_ep || (!ep->ep.desc && ep->ep.name != ep0name))) {
-		dprintk(DEBUG_NORMAL, "%s: invalid args\n", __func__);
-		return -EINVAL;
-	}
-
-	dev = ep->dev;
-	if (unlikely(!dev->driver
-			|| dev->gadget.speed == USB_SPEED_UNKNOWN)) {
-		return -ESHUTDOWN;
-	}
-
-	local_irq_save(flags);
-
-	if (unlikely(!_req || !_req->complete
-			|| !_req->buf || !list_empty(&req->queue))) {
-		if (!_req)
-			dprintk(DEBUG_NORMAL, "%s: 1 X X X\n", __func__);
-		else {
-			dprintk(DEBUG_NORMAL, "%s: 0 %01d %01d %01d\n",
-				__func__, !_req->complete, !_req->buf,
-				!list_empty(&req->queue));
-		}
-
-		local_irq_restore(flags);
-		return -EINVAL;
-	}
-
-	_req->status = -EINPROGRESS;
-	_req->actual = 0;
-
-	dprintk(DEBUG_VERBOSE, "%s: ep%x len %d\n",
-		 __func__, ep->bEndpointAddress, _req->length);
-
-	if (ep->bEndpointAddress) {
-		udc_write(ep->bEndpointAddress & 0x7F, S3C2410_UDC_INDEX_REG);
-
-		ep_csr = udc_read((ep->bEndpointAddress & USB_DIR_IN)
-				? S3C2410_UDC_IN_CSR1_REG
-				: S3C2410_UDC_OUT_CSR1_REG);
-		fifo_count = s3c2410_udc_fifo_count_out();
-	} else {
-		udc_write(0, S3C2410_UDC_INDEX_REG);
-		ep_csr = udc_read(S3C2410_UDC_IN_CSR1_REG);
-		fifo_count = s3c2410_udc_fifo_count_out();
-	}
-
-	/* kickstart this i/o queue? */
-	if (list_empty(&ep->queue) && !ep->halted) {
-		if (ep->bEndpointAddress == 0 /* ep0 */) {
-			switch (dev->ep0state) {
-			case EP0_IN_DATA_PHASE:
-				if (!(ep_csr&S3C2410_UDC_EP0_CSR_IPKRDY)
-						&& s3c2410_udc_write_fifo(ep,
-							req)) {
-					dev->ep0state = EP0_IDLE;
-					req = NULL;
-				}
-				break;
-
-			case EP0_OUT_DATA_PHASE:
-				if ((!_req->length)
-					|| ((ep_csr & S3C2410_UDC_OCSR1_PKTRDY)
-						&& s3c2410_udc_read_fifo(ep,
-							req))) {
-					dev->ep0state = EP0_IDLE;
-					req = NULL;
-				}
-				break;
-
-			default:
-				local_irq_restore(flags);
-				return -EL2HLT;
-			}
-		} else if ((ep->bEndpointAddress & USB_DIR_IN) != 0
-				&& (!(ep_csr&S3C2410_UDC_OCSR1_PKTRDY))
-				&& s3c2410_udc_write_fifo(ep, req)) {
-			req = NULL;
-		} else if ((ep_csr & S3C2410_UDC_OCSR1_PKTRDY)
-				&& fifo_count
-				&& s3c2410_udc_read_fifo(ep, req)) {
-			req = NULL;
-		}
-	}
-
-	/* pio or dma irq handler advances the queue. */
-	if (likely(req))
-		list_add_tail(&req->queue, &ep->queue);
-
-	local_irq_restore(flags);
-
-	dprintk(DEBUG_VERBOSE, "%s ok\n", __func__);
-	return 0;
-}
-
-/*
- *	s3c2410_udc_dequeue
- */
-static int s3c2410_udc_dequeue(struct usb_ep *_ep, struct usb_request *_req)
-{
-	struct s3c2410_ep	*ep = to_s3c2410_ep(_ep);
-	int			retval = -EINVAL;
-	unsigned long		flags;
-	struct s3c2410_request	*req = NULL, *iter;
-
-	dprintk(DEBUG_VERBOSE, "%s(%p,%p)\n", __func__, _ep, _req);
-
-	if (!the_controller->driver)
-		return -ESHUTDOWN;
-
-	if (!_ep || !_req)
-		return retval;
-
-	local_irq_save(flags);
-
-	list_for_each_entry(iter, &ep->queue, queue) {
-		if (&iter->req != _req)
-			continue;
-		list_del_init(&iter->queue);
-		_req->status = -ECONNRESET;
-		req = iter;
-		retval = 0;
-		break;
-	}
-
-	if (retval == 0) {
-		dprintk(DEBUG_VERBOSE,
-			"dequeued req %p from %s, len %d buf %p\n",
-			req, _ep->name, _req->length, _req->buf);
-
-		s3c2410_udc_done(ep, req, -ECONNRESET);
-	}
-
-	local_irq_restore(flags);
-	return retval;
-}
-
-/*
- * s3c2410_udc_set_halt
- */
-static int s3c2410_udc_set_halt(struct usb_ep *_ep, int value)
-{
-	struct s3c2410_ep	*ep = to_s3c2410_ep(_ep);
-	u32			ep_csr = 0;
-	unsigned long		flags;
-	u32			idx;
-
-	if (unlikely(!_ep || (!ep->ep.desc && ep->ep.name != ep0name))) {
-		dprintk(DEBUG_NORMAL, "%s: inval 2\n", __func__);
-		return -EINVAL;
-	}
-
-	local_irq_save(flags);
-
-	idx = ep->bEndpointAddress & 0x7F;
-
-	if (idx == 0) {
-		s3c2410_udc_set_ep0_ss(base_addr);
-		s3c2410_udc_set_ep0_de_out(base_addr);
-	} else {
-		udc_write(idx, S3C2410_UDC_INDEX_REG);
-		ep_csr = udc_read((ep->bEndpointAddress & USB_DIR_IN)
-				? S3C2410_UDC_IN_CSR1_REG
-				: S3C2410_UDC_OUT_CSR1_REG);
-
-		if ((ep->bEndpointAddress & USB_DIR_IN) != 0) {
-			if (value)
-				udc_write(ep_csr | S3C2410_UDC_ICSR1_SENDSTL,
-					S3C2410_UDC_IN_CSR1_REG);
-			else {
-				ep_csr &= ~S3C2410_UDC_ICSR1_SENDSTL;
-				udc_write(ep_csr, S3C2410_UDC_IN_CSR1_REG);
-				ep_csr |= S3C2410_UDC_ICSR1_CLRDT;
-				udc_write(ep_csr, S3C2410_UDC_IN_CSR1_REG);
-			}
-		} else {
-			if (value)
-				udc_write(ep_csr | S3C2410_UDC_OCSR1_SENDSTL,
-					S3C2410_UDC_OUT_CSR1_REG);
-			else {
-				ep_csr &= ~S3C2410_UDC_OCSR1_SENDSTL;
-				udc_write(ep_csr, S3C2410_UDC_OUT_CSR1_REG);
-				ep_csr |= S3C2410_UDC_OCSR1_CLRDT;
-				udc_write(ep_csr, S3C2410_UDC_OUT_CSR1_REG);
-			}
-		}
-	}
-
-	ep->halted = value ? 1 : 0;
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-static const struct usb_ep_ops s3c2410_ep_ops = {
-	.enable		= s3c2410_udc_ep_enable,
-	.disable	= s3c2410_udc_ep_disable,
-
-	.alloc_request	= s3c2410_udc_alloc_request,
-	.free_request	= s3c2410_udc_free_request,
-
-	.queue		= s3c2410_udc_queue,
-	.dequeue	= s3c2410_udc_dequeue,
-
-	.set_halt	= s3c2410_udc_set_halt,
-};
-
-/*------------------------- usb_gadget_ops ----------------------------------*/
-
-/*
- *	s3c2410_udc_get_frame
- */
-static int s3c2410_udc_get_frame(struct usb_gadget *_gadget)
-{
-	int tmp;
-
-	dprintk(DEBUG_VERBOSE, "%s()\n", __func__);
-
-	tmp = udc_read(S3C2410_UDC_FRAME_NUM2_REG) << 8;
-	tmp |= udc_read(S3C2410_UDC_FRAME_NUM1_REG);
-	return tmp;
-}
-
-/*
- *	s3c2410_udc_wakeup
- */
-static int s3c2410_udc_wakeup(struct usb_gadget *_gadget)
-{
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-	return 0;
-}
-
-/*
- *	s3c2410_udc_set_selfpowered
- */
-static int s3c2410_udc_set_selfpowered(struct usb_gadget *gadget, int value)
-{
-	struct s3c2410_udc *udc = to_s3c2410_udc(gadget);
-
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	gadget->is_selfpowered = (value != 0);
-	if (value)
-		udc->devstatus |= (1 << USB_DEVICE_SELF_POWERED);
-	else
-		udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED);
-
-	return 0;
-}
-
-static void s3c2410_udc_disable(struct s3c2410_udc *dev);
-static void s3c2410_udc_enable(struct s3c2410_udc *dev);
-
-static int s3c2410_udc_set_pullup(struct s3c2410_udc *udc, int is_on)
-{
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	if (udc_info && (udc_info->udc_command || udc->pullup_gpiod)) {
-
-		if (is_on)
-			s3c2410_udc_enable(udc);
-		else {
-			if (udc->gadget.speed != USB_SPEED_UNKNOWN) {
-				if (udc->driver && udc->driver->disconnect)
-					udc->driver->disconnect(&udc->gadget);
-
-			}
-			s3c2410_udc_disable(udc);
-		}
-	} else {
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
-static int s3c2410_udc_vbus_session(struct usb_gadget *gadget, int is_active)
-{
-	struct s3c2410_udc *udc = to_s3c2410_udc(gadget);
-
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	udc->vbus = (is_active != 0);
-	s3c2410_udc_set_pullup(udc, is_active);
-	return 0;
-}
-
-static int s3c2410_udc_pullup(struct usb_gadget *gadget, int is_on)
-{
-	struct s3c2410_udc *udc = to_s3c2410_udc(gadget);
-
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	s3c2410_udc_set_pullup(udc, is_on);
-	return 0;
-}
-
-static irqreturn_t s3c2410_udc_vbus_irq(int irq, void *_dev)
-{
-	struct s3c2410_udc	*dev = _dev;
-	unsigned int		value;
-
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	value = gpiod_get_value(dev->vbus_gpiod);
-
-	if (value != dev->vbus)
-		s3c2410_udc_vbus_session(&dev->gadget, value);
-
-	return IRQ_HANDLED;
-}
-
-static int s3c2410_vbus_draw(struct usb_gadget *_gadget, unsigned ma)
-{
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	if (udc_info && udc_info->vbus_draw) {
-		udc_info->vbus_draw(ma);
-		return 0;
-	}
-
-	return -ENOTSUPP;
-}
-
-static int s3c2410_udc_start(struct usb_gadget *g,
-		struct usb_gadget_driver *driver);
-static int s3c2410_udc_stop(struct usb_gadget *g);
-
-static const struct usb_gadget_ops s3c2410_ops = {
-	.get_frame		= s3c2410_udc_get_frame,
-	.wakeup			= s3c2410_udc_wakeup,
-	.set_selfpowered	= s3c2410_udc_set_selfpowered,
-	.pullup			= s3c2410_udc_pullup,
-	.vbus_session		= s3c2410_udc_vbus_session,
-	.vbus_draw		= s3c2410_vbus_draw,
-	.udc_start		= s3c2410_udc_start,
-	.udc_stop		= s3c2410_udc_stop,
-};
-
-static void s3c2410_udc_command(struct s3c2410_udc *udc,
-				enum s3c2410_udc_cmd_e cmd)
-{
-	if (!udc_info)
-		return;
-
-	if (udc_info->udc_command) {
-		udc_info->udc_command(cmd);
-	} else if (udc->pullup_gpiod) {
-		int value;
-
-		switch (cmd) {
-		case S3C2410_UDC_P_ENABLE:
-			value = 1;
-			break;
-		case S3C2410_UDC_P_DISABLE:
-			value = 0;
-			break;
-		default:
-			return;
-		}
-
-		gpiod_set_value(udc->pullup_gpiod, value);
-	}
-}
-
-/*------------------------- gadget driver handling---------------------------*/
-/*
- * s3c2410_udc_disable
- */
-static void s3c2410_udc_disable(struct s3c2410_udc *dev)
-{
-	dprintk(DEBUG_NORMAL, "%s()\n", __func__);
-
-	/* Disable all interrupts */
-	udc_write(0x00, S3C2410_UDC_USB_INT_EN_REG);
-	udc_write(0x00, S3C2410_UDC_EP_INT_EN_REG);
-
-	/* Clear the interrupt registers */
-	udc_write(S3C2410_UDC_USBINT_RESET
-				| S3C2410_UDC_USBINT_RESUME
-				| S3C2410_UDC_USBINT_SUSPEND,
-			S3C2410_UDC_USB_INT_REG);
-
-	udc_write(0x1F, S3C2410_UDC_EP_INT_REG);
-
-	/* Good bye, cruel world */
-	s3c2410_udc_command(dev, S3C2410_UDC_P_DISABLE);
-
-	/* Set speed to unknown */
-	dev->gadget.speed = USB_SPEED_UNKNOWN;
-}
-
-/*
- * s3c2410_udc_reinit
- */
-static void s3c2410_udc_reinit(struct s3c2410_udc *dev)
-{
-	u32 i;
-
-	/* device/ep0 records init */
-	INIT_LIST_HEAD(&dev->gadget.ep_list);
-	INIT_LIST_HEAD(&dev->gadget.ep0->ep_list);
-	dev->ep0state = EP0_IDLE;
-
-	for (i = 0; i < S3C2410_ENDPOINTS; i++) {
-		struct s3c2410_ep *ep = &dev->ep[i];
-
-		if (i != 0)
-			list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list);
-
-		ep->dev = dev;
-		ep->ep.desc = NULL;
-		ep->halted = 0;
-		INIT_LIST_HEAD(&ep->queue);
-		usb_ep_set_maxpacket_limit(&ep->ep, ep->ep.maxpacket);
-	}
-}
-
-/*
- * s3c2410_udc_enable
- */
-static void s3c2410_udc_enable(struct s3c2410_udc *dev)
-{
-	int i;
-
-	dprintk(DEBUG_NORMAL, "s3c2410_udc_enable called\n");
-
-	/* dev->gadget.speed = USB_SPEED_UNKNOWN; */
-	dev->gadget.speed = USB_SPEED_FULL;
-
-	/* Set MAXP for all endpoints */
-	for (i = 0; i < S3C2410_ENDPOINTS; i++) {
-		udc_write(i, S3C2410_UDC_INDEX_REG);
-		udc_write((dev->ep[i].ep.maxpacket & 0x7ff) >> 3,
-				S3C2410_UDC_MAXP_REG);
-	}
-
-	/* Set default power state */
-	udc_write(DEFAULT_POWER_STATE, S3C2410_UDC_PWR_REG);
-
-	/* Enable reset and suspend interrupt interrupts */
-	udc_write(S3C2410_UDC_USBINT_RESET | S3C2410_UDC_USBINT_SUSPEND,
-			S3C2410_UDC_USB_INT_EN_REG);
-
-	/* Enable ep0 interrupt */
-	udc_write(S3C2410_UDC_INT_EP0, S3C2410_UDC_EP_INT_EN_REG);
-
-	/* time to say "hello, world" */
-	s3c2410_udc_command(dev, S3C2410_UDC_P_ENABLE);
-}
-
-static int s3c2410_udc_start(struct usb_gadget *g,
-		struct usb_gadget_driver *driver)
-{
-	struct s3c2410_udc *udc = to_s3c2410(g);
-
-	dprintk(DEBUG_NORMAL, "%s() '%s'\n", __func__, driver->driver.name);
-
-	/* Hook the driver */
-	udc->driver = driver;
-
-	/* Enable udc */
-	s3c2410_udc_enable(udc);
-
-	return 0;
-}
-
-static int s3c2410_udc_stop(struct usb_gadget *g)
-{
-	struct s3c2410_udc *udc = to_s3c2410(g);
-
-	udc->driver = NULL;
-
-	/* Disable udc */
-	s3c2410_udc_disable(udc);
-
-	return 0;
-}
-
-/*---------------------------------------------------------------------------*/
-static struct s3c2410_udc memory = {
-	.gadget = {
-		.ops		= &s3c2410_ops,
-		.ep0		= &memory.ep[0].ep,
-		.name		= gadget_name,
-		.dev = {
-			.init_name	= "gadget",
-		},
-	},
-
-	/* control endpoint */
-	.ep[0] = {
-		.num		= 0,
-		.ep = {
-			.name		= ep0name,
-			.ops		= &s3c2410_ep_ops,
-			.maxpacket	= EP0_FIFO_SIZE,
-			.caps		= USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL,
-						USB_EP_CAPS_DIR_ALL),
-		},
-		.dev		= &memory,
-	},
-
-	/* first group of endpoints */
-	.ep[1] = {
-		.num		= 1,
-		.ep = {
-			.name		= "ep1-bulk",
-			.ops		= &s3c2410_ep_ops,
-			.maxpacket	= EP_FIFO_SIZE,
-			.caps		= USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK,
-						USB_EP_CAPS_DIR_ALL),
-		},
-		.dev		= &memory,
-		.fifo_size	= EP_FIFO_SIZE,
-		.bEndpointAddress = 1,
-		.bmAttributes	= USB_ENDPOINT_XFER_BULK,
-	},
-	.ep[2] = {
-		.num		= 2,
-		.ep = {
-			.name		= "ep2-bulk",
-			.ops		= &s3c2410_ep_ops,
-			.maxpacket	= EP_FIFO_SIZE,
-			.caps		= USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK,
-						USB_EP_CAPS_DIR_ALL),
-		},
-		.dev		= &memory,
-		.fifo_size	= EP_FIFO_SIZE,
-		.bEndpointAddress = 2,
-		.bmAttributes	= USB_ENDPOINT_XFER_BULK,
-	},
-	.ep[3] = {
-		.num		= 3,
-		.ep = {
-			.name		= "ep3-bulk",
-			.ops		= &s3c2410_ep_ops,
-			.maxpacket	= EP_FIFO_SIZE,
-			.caps		= USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK,
-						USB_EP_CAPS_DIR_ALL),
-		},
-		.dev		= &memory,
-		.fifo_size	= EP_FIFO_SIZE,
-		.bEndpointAddress = 3,
-		.bmAttributes	= USB_ENDPOINT_XFER_BULK,
-	},
-	.ep[4] = {
-		.num		= 4,
-		.ep = {
-			.name		= "ep4-bulk",
-			.ops		= &s3c2410_ep_ops,
-			.maxpacket	= EP_FIFO_SIZE,
-			.caps		= USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK,
-						USB_EP_CAPS_DIR_ALL),
-		},
-		.dev		= &memory,
-		.fifo_size	= EP_FIFO_SIZE,
-		.bEndpointAddress = 4,
-		.bmAttributes	= USB_ENDPOINT_XFER_BULK,
-	}
-
-};
-
-/*
- *	probe - binds to the platform device
- */
-static int s3c2410_udc_probe(struct platform_device *pdev)
-{
-	struct s3c2410_udc *udc = &memory;
-	struct device *dev = &pdev->dev;
-	int retval;
-	int irq;
-
-	dev_dbg(dev, "%s()\n", __func__);
-
-	usb_bus_clock = clk_get(NULL, "usb-bus-gadget");
-	if (IS_ERR(usb_bus_clock)) {
-		dev_err(dev, "failed to get usb bus clock source\n");
-		return PTR_ERR(usb_bus_clock);
-	}
-
-	clk_prepare_enable(usb_bus_clock);
-
-	udc_clock = clk_get(NULL, "usb-device");
-	if (IS_ERR(udc_clock)) {
-		dev_err(dev, "failed to get udc clock source\n");
-		retval = PTR_ERR(udc_clock);
-		goto err_usb_bus_clk;
-	}
-
-	clk_prepare_enable(udc_clock);
-
-	mdelay(10);
-
-	dev_dbg(dev, "got and enabled clocks\n");
-
-	if (strncmp(pdev->name, "s3c2440", 7) == 0) {
-		dev_info(dev, "S3C2440: increasing FIFO to 128 bytes\n");
-		memory.ep[1].fifo_size = S3C2440_EP_FIFO_SIZE;
-		memory.ep[2].fifo_size = S3C2440_EP_FIFO_SIZE;
-		memory.ep[3].fifo_size = S3C2440_EP_FIFO_SIZE;
-		memory.ep[4].fifo_size = S3C2440_EP_FIFO_SIZE;
-	}
-
-	spin_lock_init(&udc->lock);
-	udc_info = dev_get_platdata(&pdev->dev);
-
-	base_addr = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base_addr)) {
-		retval = PTR_ERR(base_addr);
-		goto err_udc_clk;
-	}
-
-	the_controller = udc;
-	platform_set_drvdata(pdev, udc);
-
-	s3c2410_udc_disable(udc);
-	s3c2410_udc_reinit(udc);
-
-	irq_usbd = platform_get_irq(pdev, 0);
-	if (irq_usbd < 0) {
-		retval = irq_usbd;
-		goto err_udc_clk;
-	}
-
-	/* irq setup after old hardware state is cleaned up */
-	retval = request_irq(irq_usbd, s3c2410_udc_irq,
-			     0, gadget_name, udc);
-
-	if (retval != 0) {
-		dev_err(dev, "cannot get irq %i, err %d\n", irq_usbd, retval);
-		retval = -EBUSY;
-		goto err_udc_clk;
-	}
-
-	dev_dbg(dev, "got irq %i\n", irq_usbd);
-
-	udc->vbus_gpiod = gpiod_get_optional(dev, "vbus", GPIOD_IN);
-	if (IS_ERR(udc->vbus_gpiod)) {
-		retval = PTR_ERR(udc->vbus_gpiod);
-		goto err_int;
-	}
-	if (udc->vbus_gpiod) {
-		gpiod_set_consumer_name(udc->vbus_gpiod, "udc vbus");
-
-		irq = gpiod_to_irq(udc->vbus_gpiod);
-		if (irq < 0) {
-			dev_err(dev, "no irq for gpio vbus pin\n");
-			retval = irq;
-			goto err_gpio_claim;
-		}
-
-		retval = request_irq(irq, s3c2410_udc_vbus_irq,
-				     IRQF_TRIGGER_RISING
-				     | IRQF_TRIGGER_FALLING | IRQF_SHARED,
-				     gadget_name, udc);
-
-		if (retval != 0) {
-			dev_err(dev, "can't get vbus irq %d, err %d\n",
-				irq, retval);
-			retval = -EBUSY;
-			goto err_gpio_claim;
-		}
-
-		dev_dbg(dev, "got irq %i\n", irq);
-	} else {
-		udc->vbus = 1;
-	}
-
-	udc->pullup_gpiod = gpiod_get_optional(dev, "pullup", GPIOD_OUT_LOW);
-	if (IS_ERR(udc->pullup_gpiod)) {
-		retval = PTR_ERR(udc->pullup_gpiod);
-		goto err_vbus_irq;
-	}
-	gpiod_set_consumer_name(udc->pullup_gpiod, "udc pullup");
-
-	retval = usb_add_gadget_udc(&pdev->dev, &udc->gadget);
-	if (retval)
-		goto err_add_udc;
-
-	debugfs_create_file("registers", S_IRUGO, s3c2410_udc_debugfs_root, udc,
-			    &s3c2410_udc_debugfs_fops);
-
-	dev_dbg(dev, "probe ok\n");
-
-	return 0;
-
-err_add_udc:
-err_vbus_irq:
-	if (udc->vbus_gpiod)
-		free_irq(gpiod_to_irq(udc->vbus_gpiod), udc);
-err_gpio_claim:
-err_int:
-	free_irq(irq_usbd, udc);
-err_udc_clk:
-	clk_disable_unprepare(udc_clock);
-	clk_put(udc_clock);
-	udc_clock = NULL;
-err_usb_bus_clk:
-	clk_disable_unprepare(usb_bus_clock);
-	clk_put(usb_bus_clock);
-	usb_bus_clock = NULL;
-
-	return retval;
-}
-
-/*
- *	s3c2410_udc_remove
- */
-static int s3c2410_udc_remove(struct platform_device *pdev)
-{
-	struct s3c2410_udc *udc = platform_get_drvdata(pdev);
-
-	dev_dbg(&pdev->dev, "%s()\n", __func__);
-
-	if (udc->driver)
-		return -EBUSY;
-
-	usb_del_gadget_udc(&udc->gadget);
-	debugfs_remove(debugfs_lookup("registers", s3c2410_udc_debugfs_root));
-
-	if (udc->vbus_gpiod)
-		free_irq(gpiod_to_irq(udc->vbus_gpiod), udc);
-
-	free_irq(irq_usbd, udc);
-
-	if (!IS_ERR(udc_clock) && udc_clock != NULL) {
-		clk_disable_unprepare(udc_clock);
-		clk_put(udc_clock);
-		udc_clock = NULL;
-	}
-
-	if (!IS_ERR(usb_bus_clock) && usb_bus_clock != NULL) {
-		clk_disable_unprepare(usb_bus_clock);
-		clk_put(usb_bus_clock);
-		usb_bus_clock = NULL;
-	}
-
-	dev_dbg(&pdev->dev, "%s: remove ok\n", __func__);
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int
-s3c2410_udc_suspend(struct platform_device *pdev, pm_message_t message)
-{
-	struct s3c2410_udc *udc = platform_get_drvdata(pdev);
-
-	s3c2410_udc_command(udc, S3C2410_UDC_P_DISABLE);
-
-	return 0;
-}
-
-static int s3c2410_udc_resume(struct platform_device *pdev)
-{
-	struct s3c2410_udc *udc = platform_get_drvdata(pdev);
-
-	s3c2410_udc_command(udc, S3C2410_UDC_P_ENABLE);
-
-	return 0;
-}
-#else
-#define s3c2410_udc_suspend	NULL
-#define s3c2410_udc_resume	NULL
-#endif
-
-static const struct platform_device_id s3c_udc_ids[] = {
-	{ "s3c2410-usbgadget", },
-	{ "s3c2440-usbgadget", },
-	{ }
-};
-MODULE_DEVICE_TABLE(platform, s3c_udc_ids);
-
-static struct platform_driver udc_driver_24x0 = {
-	.driver		= {
-		.name	= "s3c24x0-usbgadget",
-	},
-	.probe		= s3c2410_udc_probe,
-	.remove		= s3c2410_udc_remove,
-	.suspend	= s3c2410_udc_suspend,
-	.resume		= s3c2410_udc_resume,
-	.id_table	= s3c_udc_ids,
-};
-
-static int __init udc_init(void)
-{
-	int retval;
-
-	dprintk(DEBUG_NORMAL, "%s\n", gadget_name);
-
-	s3c2410_udc_debugfs_root = debugfs_create_dir(gadget_name,
-						      usb_debug_root);
-
-	retval = platform_driver_register(&udc_driver_24x0);
-	if (retval)
-		goto err;
-
-	return 0;
-
-err:
-	debugfs_remove(s3c2410_udc_debugfs_root);
-	return retval;
-}
-
-static void __exit udc_exit(void)
-{
-	platform_driver_unregister(&udc_driver_24x0);
-	debugfs_remove_recursive(s3c2410_udc_debugfs_root);
-}
-
-module_init(udc_init);
-module_exit(udc_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.h b/drivers/usb/gadget/udc/s3c2410_udc.h
deleted file mode 100644
index cdbf202e5ee8..000000000000
--- a/drivers/usb/gadget/udc/s3c2410_udc.h
+++ /dev/null
@@ -1,99 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * linux/drivers/usb/gadget/s3c2410_udc.h
- * Samsung on-chip full speed USB device controllers
- *
- * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
- *	Additional cleanups by Ben Dooks <ben-linux@fluff.org>
- */
-
-#ifndef _S3C2410_UDC_H
-#define _S3C2410_UDC_H
-
-struct s3c2410_ep {
-	struct list_head		queue;
-	unsigned long			last_io;	/* jiffies timestamp */
-	struct usb_gadget		*gadget;
-	struct s3c2410_udc		*dev;
-	struct usb_ep			ep;
-	u8				num;
-
-	unsigned short			fifo_size;
-	u8				bEndpointAddress;
-	u8				bmAttributes;
-
-	unsigned			halted : 1;
-	unsigned			already_seen : 1;
-	unsigned			setup_stage : 1;
-};
-
-
-/* Warning : ep0 has a fifo of 16 bytes */
-/* Don't try to set 32 or 64            */
-/* also testusb 14 fails  wit 16 but is */
-/* fine with 8                          */
-#define EP0_FIFO_SIZE		 8
-#define EP_FIFO_SIZE		64
-#define DEFAULT_POWER_STATE	0x00
-
-#define S3C2440_EP_FIFO_SIZE	128
-
-static const char ep0name [] = "ep0";
-
-static const char *const ep_name[] = {
-	ep0name,                                /* everyone has ep0 */
-	/* s3c2410 four bidirectional bulk endpoints */
-	"ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk",
-};
-
-#define S3C2410_ENDPOINTS       ARRAY_SIZE(ep_name)
-
-struct s3c2410_request {
-	struct list_head		queue;		/* ep's requests */
-	struct usb_request		req;
-};
-
-enum ep0_state {
-        EP0_IDLE,
-        EP0_IN_DATA_PHASE,
-        EP0_OUT_DATA_PHASE,
-        EP0_END_XFER,
-        EP0_STALL,
-};
-
-static const char *ep0states[]= {
-        "EP0_IDLE",
-        "EP0_IN_DATA_PHASE",
-        "EP0_OUT_DATA_PHASE",
-        "EP0_END_XFER",
-        "EP0_STALL",
-};
-
-struct s3c2410_udc {
-	spinlock_t			lock;
-
-	struct s3c2410_ep		ep[S3C2410_ENDPOINTS];
-	int				address;
-	struct usb_gadget		gadget;
-	struct usb_gadget_driver	*driver;
-	struct s3c2410_request		fifo_req;
-	u8				fifo_buf[EP_FIFO_SIZE];
-	u16				devstatus;
-
-	u32				port_status;
-	int				ep0state;
-
-	struct gpio_desc		*vbus_gpiod;
-	struct gpio_desc		*pullup_gpiod;
-
-	unsigned			got_irq : 1;
-
-	unsigned			req_std : 1;
-	unsigned			req_config : 1;
-	unsigned			req_pending : 1;
-	u8				vbus;
-	int				irq;
-};
-#define to_s3c2410(g)	(container_of((g), struct s3c2410_udc, gadget))
-
-#endif
diff --git a/drivers/usb/gadget/udc/s3c2410_udc_regs.h b/drivers/usb/gadget/udc/s3c2410_udc_regs.h
deleted file mode 100644
index d8d2eeaca088..000000000000
--- a/drivers/usb/gadget/udc/s3c2410_udc_regs.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2004 Herbert Poetzl <herbert@13thfloor.at>
- */
-
-#ifndef __ASM_ARCH_REGS_UDC_H
-#define __ASM_ARCH_REGS_UDC_H
-
-#define S3C2410_USBDREG(x) (x)
-
-#define S3C2410_UDC_FUNC_ADDR_REG	S3C2410_USBDREG(0x0140)
-#define S3C2410_UDC_PWR_REG		S3C2410_USBDREG(0x0144)
-#define S3C2410_UDC_EP_INT_REG		S3C2410_USBDREG(0x0148)
-
-#define S3C2410_UDC_USB_INT_REG		S3C2410_USBDREG(0x0158)
-#define S3C2410_UDC_EP_INT_EN_REG	S3C2410_USBDREG(0x015c)
-
-#define S3C2410_UDC_USB_INT_EN_REG	S3C2410_USBDREG(0x016c)
-
-#define S3C2410_UDC_FRAME_NUM1_REG	S3C2410_USBDREG(0x0170)
-#define S3C2410_UDC_FRAME_NUM2_REG	S3C2410_USBDREG(0x0174)
-
-#define S3C2410_UDC_EP0_FIFO_REG	S3C2410_USBDREG(0x01c0)
-#define S3C2410_UDC_EP1_FIFO_REG	S3C2410_USBDREG(0x01c4)
-#define S3C2410_UDC_EP2_FIFO_REG	S3C2410_USBDREG(0x01c8)
-#define S3C2410_UDC_EP3_FIFO_REG	S3C2410_USBDREG(0x01cc)
-#define S3C2410_UDC_EP4_FIFO_REG	S3C2410_USBDREG(0x01d0)
-
-#define S3C2410_UDC_EP1_DMA_CON		S3C2410_USBDREG(0x0200)
-#define S3C2410_UDC_EP1_DMA_UNIT	S3C2410_USBDREG(0x0204)
-#define S3C2410_UDC_EP1_DMA_FIFO	S3C2410_USBDREG(0x0208)
-#define S3C2410_UDC_EP1_DMA_TTC_L	S3C2410_USBDREG(0x020c)
-#define S3C2410_UDC_EP1_DMA_TTC_M	S3C2410_USBDREG(0x0210)
-#define S3C2410_UDC_EP1_DMA_TTC_H	S3C2410_USBDREG(0x0214)
-
-#define S3C2410_UDC_EP2_DMA_CON		S3C2410_USBDREG(0x0218)
-#define S3C2410_UDC_EP2_DMA_UNIT	S3C2410_USBDREG(0x021c)
-#define S3C2410_UDC_EP2_DMA_FIFO	S3C2410_USBDREG(0x0220)
-#define S3C2410_UDC_EP2_DMA_TTC_L	S3C2410_USBDREG(0x0224)
-#define S3C2410_UDC_EP2_DMA_TTC_M	S3C2410_USBDREG(0x0228)
-#define S3C2410_UDC_EP2_DMA_TTC_H	S3C2410_USBDREG(0x022c)
-
-#define S3C2410_UDC_EP3_DMA_CON		S3C2410_USBDREG(0x0240)
-#define S3C2410_UDC_EP3_DMA_UNIT	S3C2410_USBDREG(0x0244)
-#define S3C2410_UDC_EP3_DMA_FIFO	S3C2410_USBDREG(0x0248)
-#define S3C2410_UDC_EP3_DMA_TTC_L	S3C2410_USBDREG(0x024c)
-#define S3C2410_UDC_EP3_DMA_TTC_M	S3C2410_USBDREG(0x0250)
-#define S3C2410_UDC_EP3_DMA_TTC_H	S3C2410_USBDREG(0x0254)
-
-#define S3C2410_UDC_EP4_DMA_CON		S3C2410_USBDREG(0x0258)
-#define S3C2410_UDC_EP4_DMA_UNIT	S3C2410_USBDREG(0x025c)
-#define S3C2410_UDC_EP4_DMA_FIFO	S3C2410_USBDREG(0x0260)
-#define S3C2410_UDC_EP4_DMA_TTC_L	S3C2410_USBDREG(0x0264)
-#define S3C2410_UDC_EP4_DMA_TTC_M	S3C2410_USBDREG(0x0268)
-#define S3C2410_UDC_EP4_DMA_TTC_H	S3C2410_USBDREG(0x026c)
-
-#define S3C2410_UDC_INDEX_REG		S3C2410_USBDREG(0x0178)
-
-/* indexed registers */
-
-#define S3C2410_UDC_MAXP_REG		S3C2410_USBDREG(0x0180)
-
-#define S3C2410_UDC_EP0_CSR_REG		S3C2410_USBDREG(0x0184)
-
-#define S3C2410_UDC_IN_CSR1_REG		S3C2410_USBDREG(0x0184)
-#define S3C2410_UDC_IN_CSR2_REG		S3C2410_USBDREG(0x0188)
-
-#define S3C2410_UDC_OUT_CSR1_REG	S3C2410_USBDREG(0x0190)
-#define S3C2410_UDC_OUT_CSR2_REG	S3C2410_USBDREG(0x0194)
-#define S3C2410_UDC_OUT_FIFO_CNT1_REG	S3C2410_USBDREG(0x0198)
-#define S3C2410_UDC_OUT_FIFO_CNT2_REG	S3C2410_USBDREG(0x019c)
-
-#define S3C2410_UDC_FUNCADDR_UPDATE	(1 << 7)
-
-#define S3C2410_UDC_PWR_ISOUP		(1 << 7) /* R/W */
-#define S3C2410_UDC_PWR_RESET		(1 << 3) /* R   */
-#define S3C2410_UDC_PWR_RESUME		(1 << 2) /* R/W */
-#define S3C2410_UDC_PWR_SUSPEND		(1 << 1) /* R   */
-#define S3C2410_UDC_PWR_ENSUSPEND	(1 << 0) /* R/W */
-
-#define S3C2410_UDC_PWR_DEFAULT		(0x00)
-
-#define S3C2410_UDC_INT_EP4		(1 << 4) /* R/W (clear only) */
-#define S3C2410_UDC_INT_EP3		(1 << 3) /* R/W (clear only) */
-#define S3C2410_UDC_INT_EP2		(1 << 2) /* R/W (clear only) */
-#define S3C2410_UDC_INT_EP1		(1 << 1) /* R/W (clear only) */
-#define S3C2410_UDC_INT_EP0		(1 << 0) /* R/W (clear only) */
-
-#define S3C2410_UDC_USBINT_RESET	(1 << 2) /* R/W (clear only) */
-#define S3C2410_UDC_USBINT_RESUME	(1 << 1) /* R/W (clear only) */
-#define S3C2410_UDC_USBINT_SUSPEND	(1 << 0) /* R/W (clear only) */
-
-#define S3C2410_UDC_INTE_EP4		(1 << 4) /* R/W */
-#define S3C2410_UDC_INTE_EP3		(1 << 3) /* R/W */
-#define S3C2410_UDC_INTE_EP2		(1 << 2) /* R/W */
-#define S3C2410_UDC_INTE_EP1		(1 << 1) /* R/W */
-#define S3C2410_UDC_INTE_EP0		(1 << 0) /* R/W */
-
-#define S3C2410_UDC_USBINTE_RESET	(1 << 2) /* R/W */
-#define S3C2410_UDC_USBINTE_SUSPEND	(1 << 0) /* R/W */
-
-#define S3C2410_UDC_INDEX_EP0		(0x00)
-#define S3C2410_UDC_INDEX_EP1		(0x01)
-#define S3C2410_UDC_INDEX_EP2		(0x02)
-#define S3C2410_UDC_INDEX_EP3		(0x03)
-#define S3C2410_UDC_INDEX_EP4		(0x04)
-
-#define S3C2410_UDC_ICSR1_CLRDT		(1 << 6) /* R/W */
-#define S3C2410_UDC_ICSR1_SENTSTL	(1 << 5) /* R/W (clear only) */
-#define S3C2410_UDC_ICSR1_SENDSTL	(1 << 4) /* R/W */
-#define S3C2410_UDC_ICSR1_FFLUSH	(1 << 3) /* W   (set only) */
-#define S3C2410_UDC_ICSR1_UNDRUN	(1 << 2) /* R/W (clear only) */
-#define S3C2410_UDC_ICSR1_PKTRDY	(1 << 0) /* R/W (set only) */
-
-#define S3C2410_UDC_ICSR2_AUTOSET	(1 << 7) /* R/W */
-#define S3C2410_UDC_ICSR2_ISO		(1 << 6) /* R/W */
-#define S3C2410_UDC_ICSR2_MODEIN	(1 << 5) /* R/W */
-#define S3C2410_UDC_ICSR2_DMAIEN	(1 << 4) /* R/W */
-
-#define S3C2410_UDC_OCSR1_CLRDT		(1 << 7) /* R/W */
-#define S3C2410_UDC_OCSR1_SENTSTL	(1 << 6) /* R/W (clear only) */
-#define S3C2410_UDC_OCSR1_SENDSTL	(1 << 5) /* R/W */
-#define S3C2410_UDC_OCSR1_FFLUSH	(1 << 4) /* R/W */
-#define S3C2410_UDC_OCSR1_DERROR	(1 << 3) /* R   */
-#define S3C2410_UDC_OCSR1_OVRRUN	(1 << 2) /* R/W (clear only) */
-#define S3C2410_UDC_OCSR1_PKTRDY	(1 << 0) /* R/W (clear only) */
-
-#define S3C2410_UDC_OCSR2_AUTOCLR	(1 << 7) /* R/W */
-#define S3C2410_UDC_OCSR2_ISO		(1 << 6) /* R/W */
-#define S3C2410_UDC_OCSR2_DMAIEN	(1 << 5) /* R/W */
-
-#define S3C2410_UDC_EP0_CSR_OPKRDY	(1 << 0)
-#define S3C2410_UDC_EP0_CSR_IPKRDY	(1 << 1)
-#define S3C2410_UDC_EP0_CSR_SENTSTL	(1 << 2)
-#define S3C2410_UDC_EP0_CSR_DE		(1 << 3)
-#define S3C2410_UDC_EP0_CSR_SE		(1 << 4)
-#define S3C2410_UDC_EP0_CSR_SENDSTL	(1 << 5)
-#define S3C2410_UDC_EP0_CSR_SOPKTRDY	(1 << 6)
-#define S3C2410_UDC_EP0_CSR_SSE		(1 << 7)
-
-#define S3C2410_UDC_MAXP_8		(1 << 0)
-#define S3C2410_UDC_MAXP_16		(1 << 1)
-#define S3C2410_UDC_MAXP_32		(1 << 2)
-#define S3C2410_UDC_MAXP_64		(1 << 3)
-
-#endif
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 8d799d23c476..a97923897c8e 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -316,18 +316,6 @@ config USB_OCTEON_HCD
 	  To compile this driver as a module, choose M here. The module
 	  will be called octeon-hcd.
 
-config USB_CNS3XXX_EHCI
-	bool "Cavium CNS3XXX EHCI Module (DEPRECATED)"
-	depends on ARCH_CNS3XXX || COMPILE_TEST
-	select USB_EHCI_HCD_PLATFORM
-	help
-	  This option is deprecated now and the driver was removed, use
-	  USB_EHCI_HCD_PLATFORM instead.
-
-	  Enable support for the CNS3XXX SOC's on-chip EHCI controller.
-	  It is needed for high-speed (480Mbit/sec) USB 2.0 device
-	  support.
-
 config USB_EHCI_HCD_PLATFORM
 	tristate "Generic EHCI driver for a platform device"
 	help
@@ -421,7 +409,6 @@ if USB_OHCI_HCD
 config USB_OHCI_HCD_OMAP1
 	tristate "OHCI support for OMAP1/2 chips"
 	depends on ARCH_OMAP1
-	depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3)
 	default y
 	help
 	  Enables support for the OHCI controller on OMAP1/2 chips.
@@ -444,12 +431,12 @@ config USB_OHCI_HCD_STI
 	  STMicroelectronics consumer electronics SoC's.
 
 config USB_OHCI_HCD_S3C2410
-	tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series"
-	depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX || COMPILE_TEST)
-	default y if (ARCH_S3C24XX || ARCH_S3C64XX)
+	tristate "OHCI support for Samsung S3C64xx SoC series"
+	depends on USB_OHCI_HCD && (ARCH_S3C64XX || COMPILE_TEST)
+	default ARCH_S3C64XX
 	help
 	  Enables support for the on-chip OHCI controller on
-	  S3C24xx/S3C64xx chips.
+	  S3C64xx chips.
 
 config USB_OHCI_HCD_LPC32XX
 	tristate "Support for LPC on-chip OHCI USB controller"
@@ -566,17 +553,6 @@ config USB_OHCI_EXYNOS
 	  Enable support for the Samsung S5Pv210 and Exynos SOC's on-chip OHCI
 	  controller.
 
-config USB_CNS3XXX_OHCI
-	bool "Cavium CNS3XXX OHCI Module (DEPRECATED)"
-	depends on ARCH_CNS3XXX || COMPILE_TEST
-	select USB_OHCI_HCD_PLATFORM
-	help
-	  This option is deprecated now and the driver was removed, use
-	  USB_OHCI_HCD_PLATFORM instead.
-
-	  Enable support for the CNS3XXX SOC's on-chip OHCI controller.
-	  It is needed for low-speed USB 1.0 device support.
-
 config USB_OHCI_HCD_PLATFORM
 	tristate "Generic OHCI driver for a platform device"
 	help
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 0457dd9f6c19..4f9982ecfb58 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1264,11 +1264,6 @@ MODULE_LICENSE ("GPL");
 #define SM501_OHCI_DRIVER	ohci_hcd_sm501_driver
 #endif
 
-#ifdef CONFIG_MFD_TC6393XB
-#include "ohci-tmio.c"
-#define TMIO_OHCI_DRIVER	ohci_hcd_tmio_driver
-#endif
-
 static int __init ohci_hcd_mod_init(void)
 {
 	int retval = 0;
@@ -1306,19 +1301,9 @@ static int __init ohci_hcd_mod_init(void)
 		goto error_sm501;
 #endif
 
-#ifdef TMIO_OHCI_DRIVER
-	retval = platform_driver_register(&TMIO_OHCI_DRIVER);
-	if (retval < 0)
-		goto error_tmio;
-#endif
-
 	return retval;
 
 	/* Error path */
-#ifdef TMIO_OHCI_DRIVER
-	platform_driver_unregister(&TMIO_OHCI_DRIVER);
- error_tmio:
-#endif
 #ifdef SM501_OHCI_DRIVER
 	platform_driver_unregister(&SM501_OHCI_DRIVER);
  error_sm501:
@@ -1345,9 +1330,6 @@ module_init(ohci_hcd_mod_init);
 
 static void __exit ohci_hcd_mod_exit(void)
 {
-#ifdef TMIO_OHCI_DRIVER
-	platform_driver_unregister(&TMIO_OHCI_DRIVER);
-#endif
 #ifdef SM501_OHCI_DRIVER
 	platform_driver_unregister(&SM501_OHCI_DRIVER);
 #endif
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index cb29701df911..c82121602511 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -67,8 +67,6 @@ static void omap_ohci_clock_power(struct ohci_omap_priv *priv, int on)
 	}
 }
 
-#ifdef	CONFIG_USB_OTG
-
 static void start_hnp(struct ohci_hcd *ohci)
 {
 	struct usb_hcd *hcd = ohci_to_hcd(ohci);
@@ -87,8 +85,6 @@ static void start_hnp(struct ohci_hcd *ohci)
 	local_irq_restore(flags);
 }
 
-#endif
-
 /*-------------------------------------------------------------------------*/
 
 static int ohci_omap_reset(struct usb_hcd *hcd)
@@ -107,16 +103,11 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 		hcd->power_budget = 8;
 	}
 
-	/* boards can use OTG transceivers in non-OTG modes */
-	need_transceiver = need_transceiver
-			|| machine_is_omap_h2() || machine_is_omap_h3();
-
 	/* XXX OMAP16xx only */
 	if (config->ocpi_enable)
 		config->ocpi_enable();
 
-#ifdef	CONFIG_USB_OTG
-	if (need_transceiver) {
+	if (IS_ENABLED(CONFIG_USB_OTG) && need_transceiver) {
 		hcd->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
 		if (!IS_ERR_OR_NULL(hcd->usb_phy)) {
 			int	status = otg_set_host(hcd->usb_phy->otg,
@@ -133,7 +124,6 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 		hcd->skip_phy_initialization = 1;
 		ohci->start_hnp = start_hnp;
 	}
-#endif
 
 	omap_ohci_clock_power(priv, 1);
 
@@ -150,7 +140,7 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 	}
 
 	/* board-specific power switching and overcurrent support */
-	if (machine_is_omap_osk() || machine_is_omap_innovator()) {
+	if (machine_is_omap_osk()) {
 		u32	rh = roothub_a (ohci);
 
 		/* power switching (ganged by default) */
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index a1dad8745622..0bc7e96bcc93 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -29,7 +29,6 @@
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
 #include <linux/platform_data/usb-ohci-pxa27x.h>
-#include <linux/platform_data/usb-pxa3xx-ulpi.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/signal.h>
@@ -275,7 +274,6 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev)
 	int retval;
 	struct pxaohci_platform_data *inf;
 	uint32_t uhchr;
-	struct usb_hcd *hcd = dev_get_drvdata(dev);
 
 	inf = dev_get_platdata(dev);
 
@@ -301,9 +299,6 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev)
 		return retval;
 	}
 
-	if (cpu_is_pxa3xx())
-		pxa3xx_u2d_start_hc(&hcd->self);
-
 	uhchr = __raw_readl(pxa_ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
 	__raw_writel(uhchr, pxa_ohci->mmio_base + UHCHR);
 	__raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, pxa_ohci->mmio_base + UHCHIE);
@@ -316,14 +311,10 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev)
 static void pxa27x_stop_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev)
 {
 	struct pxaohci_platform_data *inf;
-	struct usb_hcd *hcd = dev_get_drvdata(dev);
 	uint32_t uhccoms;
 
 	inf = dev_get_platdata(dev);
 
-	if (cpu_is_pxa3xx())
-		pxa3xx_u2d_stop_hc(&hcd->self);
-
 	if (inf->exit)
 		inf->exit(dev);
 
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index 75c2b28b3379..aca0338a2983 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -125,10 +125,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev)
 
 	dev_dbg(&dev->dev, "starting SA-1111 OHCI USB Controller\n");
 
-	if (machine_is_xp860() ||
-	    machine_is_assabet() ||
-	    machine_is_pfs168() ||
-	    machine_is_badge4())
+	if (machine_is_assabet())
 		usb_rst = USB_RESET_PWRSENSELOW | USB_RESET_PWRCTRLLOW;
 
 	/*
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
deleted file mode 100644
index 49539b9f0e94..000000000000
--- a/drivers/usb/host/ohci-tmio.c
+++ /dev/null
@@ -1,364 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * OHCI HCD(Host Controller Driver) for USB.
- *
- *(C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- *(C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- *(C) Copyright 2002 Hewlett-Packard Company
- *
- * Bus glue for Toshiba Mobile IO(TMIO) Controller's OHCI core
- * (C) Copyright 2005 Chris Humbert <mahadri-usb@drigon.com>
- * (C) Copyright 2007, 2008 Dmitry Baryshkov <dbaryshkov@gmail.com>
- *
- * This is known to work with the following variants:
- *	TC6393XB revision 3	(32kB SRAM)
- *
- * The TMIO's OHCI core DMAs through a small internal buffer that
- * is directly addressable by the CPU.
- *
- * Written from sparse documentation from Toshiba and Sharp's driver
- * for the 2.4 kernel,
- *	usb-ohci-tc6393.c(C) Copyright 2004 Lineo Solutions, Inc.
- */
-
-#include <linux/platform_device.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/tmio.h>
-#include <linux/dma-mapping.h>
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * USB Host Controller Configuration Register
- */
-#define CCR_REVID	0x08	/* b Revision ID				*/
-#define CCR_BASE	0x10	/* l USB Control Register Base Address Low	*/
-#define CCR_ILME	0x40	/* b Internal Local Memory Enable		*/
-#define CCR_PM		0x4c	/* w Power Management			*/
-#define CCR_INTC	0x50	/* b INT Control				*/
-#define CCR_LMW1L	0x54	/* w Local Memory Window 1 LMADRS Low	*/
-#define CCR_LMW1H	0x56	/* w Local Memory Window 1 LMADRS High	*/
-#define CCR_LMW1BL	0x58	/* w Local Memory Window 1 Base Address Low	*/
-#define CCR_LMW1BH	0x5A	/* w Local Memory Window 1 Base Address High	*/
-#define CCR_LMW2L	0x5C	/* w Local Memory Window 2 LMADRS Low	*/
-#define CCR_LMW2H	0x5E	/* w Local Memory Window 2 LMADRS High	*/
-#define CCR_LMW2BL	0x60	/* w Local Memory Window 2 Base Address Low	*/
-#define CCR_LMW2BH	0x62	/* w Local Memory Window 2 Base Address High	*/
-#define CCR_MISC	0xFC	/* b MISC					*/
-
-#define CCR_PM_GKEN      0x0001
-#define CCR_PM_CKRNEN    0x0002
-#define CCR_PM_USBPW1    0x0004
-#define CCR_PM_USBPW2    0x0008
-#define CCR_PM_USBPW3    0x0010
-#define CCR_PM_PMEE      0x0100
-#define CCR_PM_PMES      0x8000
-
-/*-------------------------------------------------------------------------*/
-
-struct tmio_hcd {
-	void __iomem		*ccr;
-	spinlock_t		lock; /* protects RMW cycles */
-};
-
-#define hcd_to_tmio(hcd)	((struct tmio_hcd *)(hcd_to_ohci(hcd) + 1))
-
-/*-------------------------------------------------------------------------*/
-
-static void tmio_write_pm(struct platform_device *dev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	u16 pm;
-	unsigned long flags;
-
-	spin_lock_irqsave(&tmio->lock, flags);
-
-	pm = CCR_PM_GKEN | CCR_PM_CKRNEN |
-	     CCR_PM_PMEE | CCR_PM_PMES;
-
-	tmio_iowrite16(pm, tmio->ccr + CCR_PM);
-	spin_unlock_irqrestore(&tmio->lock, flags);
-}
-
-static void tmio_stop_hc(struct platform_device *dev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	u16 pm;
-
-	pm = CCR_PM_GKEN | CCR_PM_CKRNEN;
-	switch (ohci->num_ports) {
-		default:
-			dev_err(&dev->dev, "Unsupported amount of ports: %d\n", ohci->num_ports);
-			fallthrough;
-		case 3:
-			pm |= CCR_PM_USBPW3;
-			fallthrough;
-		case 2:
-			pm |= CCR_PM_USBPW2;
-			fallthrough;
-		case 1:
-			pm |= CCR_PM_USBPW1;
-	}
-	tmio_iowrite8(0, tmio->ccr + CCR_INTC);
-	tmio_iowrite8(0, tmio->ccr + CCR_ILME);
-	tmio_iowrite16(0, tmio->ccr + CCR_BASE);
-	tmio_iowrite16(0, tmio->ccr + CCR_BASE + 2);
-	tmio_iowrite16(pm, tmio->ccr + CCR_PM);
-}
-
-static void tmio_start_hc(struct platform_device *dev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	unsigned long base = hcd->rsrc_start;
-
-	tmio_write_pm(dev);
-	tmio_iowrite16(base, tmio->ccr + CCR_BASE);
-	tmio_iowrite16(base >> 16, tmio->ccr + CCR_BASE + 2);
-	tmio_iowrite8(1, tmio->ccr + CCR_ILME);
-	tmio_iowrite8(2, tmio->ccr + CCR_INTC);
-
-	dev_info(&dev->dev, "revision %d @ 0x%08llx, irq %d\n",
-			tmio_ioread8(tmio->ccr + CCR_REVID),
-			(u64) hcd->rsrc_start, hcd->irq);
-}
-
-static int ohci_tmio_start(struct usb_hcd *hcd)
-{
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	int ret;
-
-	if ((ret = ohci_init(ohci)) < 0)
-		return ret;
-
-	if ((ret = ohci_run(ohci)) < 0) {
-		dev_err(hcd->self.controller, "can't start %s\n",
-			hcd->self.bus_name);
-		ohci_stop(hcd);
-		return ret;
-	}
-
-	return 0;
-}
-
-static const struct hc_driver ohci_tmio_hc_driver = {
-	.description =		hcd_name,
-	.product_desc =		"TMIO OHCI USB Host Controller",
-	.hcd_priv_size =	sizeof(struct ohci_hcd) + sizeof (struct tmio_hcd),
-
-	/* generic hardware linkage */
-	.irq =			ohci_irq,
-	.flags =		HCD_USB11 | HCD_MEMORY,
-
-	/* basic lifecycle operations */
-	.start =		ohci_tmio_start,
-	.stop =			ohci_stop,
-	.shutdown =		ohci_shutdown,
-
-	/* managing i/o requests and associated device resources */
-	.urb_enqueue =		ohci_urb_enqueue,
-	.urb_dequeue =		ohci_urb_dequeue,
-	.endpoint_disable =	ohci_endpoint_disable,
-
-	/* scheduling support */
-	.get_frame_number =	ohci_get_frame,
-
-	/* root hub support */
-	.hub_status_data =	ohci_hub_status_data,
-	.hub_control =		ohci_hub_control,
-#ifdef	CONFIG_PM
-	.bus_suspend =		ohci_bus_suspend,
-	.bus_resume =		ohci_bus_resume,
-#endif
-	.start_port_reset =	ohci_start_port_reset,
-};
-
-/*-------------------------------------------------------------------------*/
-static struct platform_driver ohci_hcd_tmio_driver;
-
-static int ohci_hcd_tmio_drv_probe(struct platform_device *dev)
-{
-	const struct mfd_cell *cell = mfd_get_cell(dev);
-	struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	struct resource *config = platform_get_resource(dev, IORESOURCE_MEM, 1);
-	struct resource *sram = platform_get_resource(dev, IORESOURCE_MEM, 2);
-	int irq = platform_get_irq(dev, 0);
-	struct tmio_hcd *tmio;
-	struct ohci_hcd *ohci;
-	struct usb_hcd *hcd;
-	int ret;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	if (!cell || !regs || !config || !sram)
-		return -EINVAL;
-
-	if (irq < 0)
-		return irq;
-
-	hcd = usb_create_hcd(&ohci_tmio_hc_driver, &dev->dev, dev_name(&dev->dev));
-	if (!hcd) {
-		ret = -ENOMEM;
-		goto err_usb_create_hcd;
-	}
-
-	hcd->rsrc_start = regs->start;
-	hcd->rsrc_len = resource_size(regs);
-
-	tmio = hcd_to_tmio(hcd);
-
-	spin_lock_init(&tmio->lock);
-
-	tmio->ccr = ioremap(config->start, resource_size(config));
-	if (!tmio->ccr) {
-		ret = -ENOMEM;
-		goto err_ioremap_ccr;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		ret = -ENOMEM;
-		goto err_ioremap_regs;
-	}
-
-	if (cell->enable) {
-		ret = cell->enable(dev);
-		if (ret)
-			goto err_enable;
-	}
-
-	tmio_start_hc(dev);
-	ohci = hcd_to_ohci(hcd);
-	ohci_hcd_init(ohci);
-
-	ret = usb_hcd_setup_local_mem(hcd, sram->start, sram->start,
-				      resource_size(sram));
-	if (ret < 0)
-		goto err_enable;
-
-	ret = usb_add_hcd(hcd, irq, 0);
-	if (ret)
-		goto err_add_hcd;
-
-	device_wakeup_enable(hcd->self.controller);
-	if (ret == 0)
-		return ret;
-
-	usb_remove_hcd(hcd);
-
-err_add_hcd:
-	tmio_stop_hc(dev);
-	if (cell->disable)
-		cell->disable(dev);
-err_enable:
-	iounmap(hcd->regs);
-err_ioremap_regs:
-	iounmap(tmio->ccr);
-err_ioremap_ccr:
-	usb_put_hcd(hcd);
-err_usb_create_hcd:
-
-	return ret;
-}
-
-static int ohci_hcd_tmio_drv_remove(struct platform_device *dev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	const struct mfd_cell *cell = mfd_get_cell(dev);
-
-	usb_remove_hcd(hcd);
-	tmio_stop_hc(dev);
-	if (cell->disable)
-		cell->disable(dev);
-	iounmap(hcd->regs);
-	iounmap(tmio->ccr);
-	usb_put_hcd(hcd);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t state)
-{
-	const struct mfd_cell *cell = mfd_get_cell(dev);
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	unsigned long flags;
-	u8 misc;
-	int ret;
-
-	if (time_before(jiffies, ohci->next_statechange))
-		msleep(5);
-	ohci->next_statechange = jiffies;
-
-	spin_lock_irqsave(&tmio->lock, flags);
-
-	misc = tmio_ioread8(tmio->ccr + CCR_MISC);
-	misc |= 1 << 3; /* USSUSP */
-	tmio_iowrite8(misc, tmio->ccr + CCR_MISC);
-
-	spin_unlock_irqrestore(&tmio->lock, flags);
-
-	if (cell->suspend) {
-		ret = cell->suspend(dev);
-		if (ret)
-			return ret;
-	}
-	return 0;
-}
-
-static int ohci_hcd_tmio_drv_resume(struct platform_device *dev)
-{
-	const struct mfd_cell *cell = mfd_get_cell(dev);
-	struct usb_hcd *hcd = platform_get_drvdata(dev);
-	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	unsigned long flags;
-	u8 misc;
-	int ret;
-
-	if (time_before(jiffies, ohci->next_statechange))
-		msleep(5);
-	ohci->next_statechange = jiffies;
-
-	if (cell->resume) {
-		ret = cell->resume(dev);
-		if (ret)
-			return ret;
-	}
-
-	tmio_start_hc(dev);
-
-	spin_lock_irqsave(&tmio->lock, flags);
-
-	misc = tmio_ioread8(tmio->ccr + CCR_MISC);
-	misc &= ~(1 << 3); /* USSUSP */
-	tmio_iowrite8(misc, tmio->ccr + CCR_MISC);
-
-	spin_unlock_irqrestore(&tmio->lock, flags);
-
-	ohci_resume(hcd, false);
-
-	return 0;
-}
-#else
-#define ohci_hcd_tmio_drv_suspend NULL
-#define ohci_hcd_tmio_drv_resume NULL
-#endif
-
-static struct platform_driver ohci_hcd_tmio_driver = {
-	.probe		= ohci_hcd_tmio_drv_probe,
-	.remove		= ohci_hcd_tmio_drv_remove,
-	.shutdown	= usb_hcd_platform_shutdown,
-	.suspend	= ohci_hcd_tmio_drv_suspend,
-	.resume		= ohci_hcd_tmio_drv_resume,
-	.driver		= {
-		.name	= "tmio-ohci",
-	},
-};
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 915df5726a5c..5f629d7cad64 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -28,23 +28,6 @@ config FSL_USB2_OTG
 	help
 	  Enable this to support Freescale USB OTG transceiver.
 
-config ISP1301_OMAP
-	tristate "Philips ISP1301 with OMAP OTG"
-	depends on I2C
-	depends on ARCH_OMAP_OTG || (ARM && COMPILE_TEST)
-	depends on USB
-	depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y'
-	select USB_PHY
-	help
-	  If you say yes here you get support for the Philips ISP1301
-	  USB-On-The-Go transceiver working with the OMAP OTG controller.
-	  The ISP1301 is a full speed USB  transceiver which is used in
-	  products including H2, H3, and H4 development boards for Texas
-	  Instruments OMAP processors.
-
-	  This driver can also be built as a module.  If so, the module
-	  will be called phy-isp1301-omap.
-
 config KEYSTONE_USB_PHY
 	tristate "Keystone USB PHY Driver"
 	depends on ARCH_KEYSTONE || COMPILE_TEST
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index df1d99010079..e5d619b4d8f6 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_OF)			+= of.o
 
 obj-$(CONFIG_AB8500_USB)		+= phy-ab8500-usb.o
 obj-$(CONFIG_FSL_USB2_OTG)		+= phy-fsl-usb.o
-obj-$(CONFIG_ISP1301_OMAP)		+= phy-isp1301-omap.o
 obj-$(CONFIG_NOP_USB_XCEIV)		+= phy-generic.o
 obj-$(CONFIG_TAHVO_USB)			+= phy-tahvo.o
 obj-$(CONFIG_AM335X_CONTROL_USB)	+= phy-am335x-control.o
diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c
deleted file mode 100644
index 931610b76f3d..000000000000
--- a/drivers/usb/phy/phy-isp1301-omap.c
+++ /dev/null
@@ -1,1639 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * isp1301_omap - ISP 1301 USB transceiver, talking to OMAP OTG controller
- *
- * Copyright (C) 2004 Texas Instruments
- * Copyright (C) 2004 David Brownell
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/consumer.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb.h>
-#include <linux/usb/otg.h>
-#include <linux/i2c.h>
-#include <linux/workqueue.h>
-
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <linux/soc/ti/omap1-mux.h>
-#include <linux/soc/ti/omap1-usb.h>
-#include <linux/soc/ti/omap1-io.h>
-
-#undef VERBOSE
-
-
-#define	DRIVER_VERSION	"24 August 2004"
-#define	DRIVER_NAME	(isp1301_driver.driver.name)
-
-MODULE_DESCRIPTION("ISP1301 USB OTG Transceiver Driver");
-MODULE_LICENSE("GPL");
-
-struct isp1301 {
-	struct usb_phy		phy;
-	struct i2c_client	*client;
-	void			(*i2c_release)(struct device *dev);
-
-	int			irq_type;
-
-	u32			last_otg_ctrl;
-	unsigned		working:1;
-
-	struct timer_list	timer;
-
-	/* use keventd context to change the state for us */
-	struct work_struct	work;
-
-	unsigned long		todo;
-#		define WORK_UPDATE_ISP	0	/* update ISP from OTG */
-#		define WORK_UPDATE_OTG	1	/* update OTG from ISP */
-#		define WORK_HOST_RESUME	4	/* resume host */
-#		define WORK_TIMER	6	/* timer fired */
-#		define WORK_STOP	7	/* don't resubmit */
-};
-
-
-/* bits in OTG_CTRL */
-
-#define	OTG_XCEIV_OUTPUTS \
-	(OTG_ASESSVLD|OTG_BSESSEND|OTG_BSESSVLD|OTG_VBUSVLD|OTG_ID)
-#define	OTG_XCEIV_INPUTS \
-	(OTG_PULLDOWN|OTG_PULLUP|OTG_DRV_VBUS|OTG_PD_VBUS|OTG_PU_VBUS|OTG_PU_ID)
-#define	OTG_CTRL_BITS \
-	(OTG_A_BUSREQ|OTG_A_SETB_HNPEN|OTG_B_BUSREQ|OTG_B_HNPEN|OTG_BUSDROP)
-	/* and OTG_PULLUP is sometimes written */
-
-#define	OTG_CTRL_MASK	(OTG_DRIVER_SEL| \
-	OTG_XCEIV_OUTPUTS|OTG_XCEIV_INPUTS| \
-	OTG_CTRL_BITS)
-
-
-/*-------------------------------------------------------------------------*/
-
-/* board-specific PM hooks */
-
-#if defined(CONFIG_MACH_OMAP_H2) || defined(CONFIG_MACH_OMAP_H3)
-
-#if IS_REACHABLE(CONFIG_TPS65010)
-
-#include <linux/mfd/tps65010.h>
-
-#else
-
-static inline int tps65010_set_vbus_draw(unsigned mA)
-{
-	pr_debug("tps65010: draw %d mA (STUB)\n", mA);
-	return 0;
-}
-
-#endif
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	int status = tps65010_set_vbus_draw(mA);
-	if (status < 0)
-		pr_debug("  VBUS %d mA error %d\n", mA, status);
-}
-
-#else
-
-static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
-{
-	/* H4 controls this by DIP switch S2.4; no soft control.
-	 * ON means the charger is always enabled.  Leave it OFF
-	 * unless the OTG port is used only in B-peripheral mode.
-	 */
-}
-
-#endif
-
-static void enable_vbus_source(struct isp1301 *isp)
-{
-	/* this board won't supply more than 8mA vbus power.
-	 * some boards can switch a 100ma "unit load" (or more).
-	 */
-}
-
-
-/* products will deliver OTG messages with LEDs, GUI, etc */
-static inline void notresponding(struct isp1301 *isp)
-{
-	printk(KERN_NOTICE "OTG device not responding.\n");
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-static struct i2c_driver isp1301_driver;
-
-/* smbus apis are used for portability */
-
-static inline u8
-isp1301_get_u8(struct isp1301 *isp, u8 reg)
-{
-	return i2c_smbus_read_byte_data(isp->client, reg + 0);
-}
-
-static inline int
-isp1301_get_u16(struct isp1301 *isp, u8 reg)
-{
-	return i2c_smbus_read_word_data(isp->client, reg);
-}
-
-static inline int
-isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits)
-{
-	return i2c_smbus_write_byte_data(isp->client, reg + 0, bits);
-}
-
-static inline int
-isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits)
-{
-	return i2c_smbus_write_byte_data(isp->client, reg + 1, bits);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* identification */
-#define	ISP1301_VENDOR_ID		0x00	/* u16 read */
-#define	ISP1301_PRODUCT_ID		0x02	/* u16 read */
-#define	ISP1301_BCD_DEVICE		0x14	/* u16 read */
-
-#define	I2C_VENDOR_ID_PHILIPS		0x04cc
-#define	I2C_PRODUCT_ID_PHILIPS_1301	0x1301
-
-/* operational registers */
-#define	ISP1301_MODE_CONTROL_1		0x04	/* u8 read, set, +1 clear */
-#	define	MC1_SPEED		(1 << 0)
-#	define	MC1_SUSPEND		(1 << 1)
-#	define	MC1_DAT_SE0		(1 << 2)
-#	define	MC1_TRANSPARENT		(1 << 3)
-#	define	MC1_BDIS_ACON_EN	(1 << 4)
-#	define	MC1_OE_INT_EN		(1 << 5)
-#	define	MC1_UART_EN		(1 << 6)
-#	define	MC1_MASK		0x7f
-#define	ISP1301_MODE_CONTROL_2		0x12	/* u8 read, set, +1 clear */
-#	define	MC2_GLOBAL_PWR_DN	(1 << 0)
-#	define	MC2_SPD_SUSP_CTRL	(1 << 1)
-#	define	MC2_BI_DI		(1 << 2)
-#	define	MC2_TRANSP_BDIR0	(1 << 3)
-#	define	MC2_TRANSP_BDIR1	(1 << 4)
-#	define	MC2_AUDIO_EN		(1 << 5)
-#	define	MC2_PSW_EN		(1 << 6)
-#	define	MC2_EN2V7		(1 << 7)
-#define	ISP1301_OTG_CONTROL_1		0x06	/* u8 read, set, +1 clear */
-#	define	OTG1_DP_PULLUP		(1 << 0)
-#	define	OTG1_DM_PULLUP		(1 << 1)
-#	define	OTG1_DP_PULLDOWN	(1 << 2)
-#	define	OTG1_DM_PULLDOWN	(1 << 3)
-#	define	OTG1_ID_PULLDOWN	(1 << 4)
-#	define	OTG1_VBUS_DRV		(1 << 5)
-#	define	OTG1_VBUS_DISCHRG	(1 << 6)
-#	define	OTG1_VBUS_CHRG		(1 << 7)
-#define	ISP1301_OTG_STATUS		0x10	/* u8 readonly */
-#	define	OTG_B_SESS_END		(1 << 6)
-#	define	OTG_B_SESS_VLD		(1 << 7)
-
-#define	ISP1301_INTERRUPT_SOURCE	0x08	/* u8 read */
-#define	ISP1301_INTERRUPT_LATCH		0x0A	/* u8 read, set, +1 clear */
-
-#define	ISP1301_INTERRUPT_FALLING	0x0C	/* u8 read, set, +1 clear */
-#define	ISP1301_INTERRUPT_RISING	0x0E	/* u8 read, set, +1 clear */
-
-/* same bitfields in all interrupt registers */
-#	define	INTR_VBUS_VLD		(1 << 0)
-#	define	INTR_SESS_VLD		(1 << 1)
-#	define	INTR_DP_HI		(1 << 2)
-#	define	INTR_ID_GND		(1 << 3)
-#	define	INTR_DM_HI		(1 << 4)
-#	define	INTR_ID_FLOAT		(1 << 5)
-#	define	INTR_BDIS_ACON		(1 << 6)
-#	define	INTR_CR_INT		(1 << 7)
-
-/*-------------------------------------------------------------------------*/
-
-static inline const char *state_name(struct isp1301 *isp)
-{
-	return usb_otg_state_string(isp->phy.otg->state);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* NOTE:  some of this ISP1301 setup is specific to H2 boards;
- * not everything is guarded by board-specific checks, or even using
- * omap_usb_config data to deduce MC1_DAT_SE0 and MC2_BI_DI.
- *
- * ALSO:  this currently doesn't use ISP1301 low-power modes
- * while OTG is running.
- */
-
-static void power_down(struct isp1301 *isp)
-{
-	isp->phy.otg->state = OTG_STATE_UNDEFINED;
-
-	// isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
-	isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
-
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_ID_PULLDOWN);
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-}
-
-static void __maybe_unused power_up(struct isp1301 *isp)
-{
-	// isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND);
-
-	/* do this only when cpu is driving transceiver,
-	 * so host won't see a low speed device...
-	 */
-	isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-}
-
-#define	NO_HOST_SUSPEND
-
-static int host_suspend(struct isp1301 *isp)
-{
-#ifdef	NO_HOST_SUSPEND
-	return 0;
-#else
-	struct device	*dev;
-
-	if (!isp->phy.otg->host)
-		return -ENODEV;
-
-	/* Currently ASSUMES only the OTG port matters;
-	 * other ports could be active...
-	 */
-	dev = isp->phy.otg->host->controller;
-	return dev->driver->suspend(dev, 3, 0);
-#endif
-}
-
-static int host_resume(struct isp1301 *isp)
-{
-#ifdef	NO_HOST_SUSPEND
-	return 0;
-#else
-	struct device	*dev;
-
-	if (!isp->phy.otg->host)
-		return -ENODEV;
-
-	dev = isp->phy.otg->host->controller;
-	return dev->driver->resume(dev, 0);
-#endif
-}
-
-static int gadget_suspend(struct isp1301 *isp)
-{
-	isp->phy.otg->gadget->b_hnp_enable = 0;
-	isp->phy.otg->gadget->a_hnp_support = 0;
-	isp->phy.otg->gadget->a_alt_hnp_support = 0;
-	return usb_gadget_vbus_disconnect(isp->phy.otg->gadget);
-}
-
-/*-------------------------------------------------------------------------*/
-
-#define	TIMER_MINUTES	10
-#define	TIMER_JIFFIES	(TIMER_MINUTES * 60 * HZ)
-
-/* Almost all our I2C messaging comes from a work queue's task context.
- * NOTE: guaranteeing certain response times might mean we shouldn't
- * share keventd's work queue; a realtime task might be safest.
- */
-static void isp1301_defer_work(struct isp1301 *isp, int work)
-{
-	int status;
-
-	if (isp && !test_and_set_bit(work, &isp->todo)) {
-		(void) get_device(&isp->client->dev);
-		status = schedule_work(&isp->work);
-		if (!status && !isp->working)
-			dev_vdbg(&isp->client->dev,
-				"work item %d may be lost\n", work);
-	}
-}
-
-/* called from irq handlers */
-static void a_idle(struct isp1301 *isp, const char *tag)
-{
-	u32 l;
-
-	if (isp->phy.otg->state == OTG_STATE_A_IDLE)
-		return;
-
-	isp->phy.otg->default_a = 1;
-	if (isp->phy.otg->host) {
-		isp->phy.otg->host->is_b_host = 0;
-		host_suspend(isp);
-	}
-	if (isp->phy.otg->gadget) {
-		isp->phy.otg->gadget->is_a_peripheral = 1;
-		gadget_suspend(isp);
-	}
-	isp->phy.otg->state = OTG_STATE_A_IDLE;
-	l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-	omap_writel(l, OTG_CTRL);
-	isp->last_otg_ctrl = l;
-	pr_debug("  --> %s/%s\n", state_name(isp), tag);
-}
-
-/* called from irq handlers */
-static void b_idle(struct isp1301 *isp, const char *tag)
-{
-	u32 l;
-
-	if (isp->phy.otg->state == OTG_STATE_B_IDLE)
-		return;
-
-	isp->phy.otg->default_a = 0;
-	if (isp->phy.otg->host) {
-		isp->phy.otg->host->is_b_host = 1;
-		host_suspend(isp);
-	}
-	if (isp->phy.otg->gadget) {
-		isp->phy.otg->gadget->is_a_peripheral = 0;
-		gadget_suspend(isp);
-	}
-	isp->phy.otg->state = OTG_STATE_B_IDLE;
-	l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-	omap_writel(l, OTG_CTRL);
-	isp->last_otg_ctrl = l;
-	pr_debug("  --> %s/%s\n", state_name(isp), tag);
-}
-
-static void
-dump_regs(struct isp1301 *isp, const char *label)
-{
-	u8	ctrl = isp1301_get_u8(isp, ISP1301_OTG_CONTROL_1);
-	u8	status = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
-	u8	src = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
-
-	pr_debug("otg: %06x, %s %s, otg/%02x stat/%02x.%02x\n",
-		omap_readl(OTG_CTRL), label, state_name(isp),
-		ctrl, status, src);
-	/* mode control and irq enables don't change much */
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef	CONFIG_USB_OTG
-
-/*
- * The OMAP OTG controller handles most of the OTG state transitions.
- *
- * We translate isp1301 outputs (mostly voltage comparator status) into
- * OTG inputs; OTG outputs (mostly pullup/pulldown controls) and HNP state
- * flags into isp1301 inputs ... and infer state transitions.
- */
-
-#ifdef	VERBOSE
-
-static void check_state(struct isp1301 *isp, const char *tag)
-{
-	enum usb_otg_state	state = OTG_STATE_UNDEFINED;
-	u8			fsm = omap_readw(OTG_TEST) & 0x0ff;
-	unsigned		extra = 0;
-
-	switch (fsm) {
-
-	/* default-b */
-	case 0x0:
-		state = OTG_STATE_B_IDLE;
-		break;
-	case 0x3:
-	case 0x7:
-		extra = 1;
-	case 0x1:
-		state = OTG_STATE_B_PERIPHERAL;
-		break;
-	case 0x11:
-		state = OTG_STATE_B_SRP_INIT;
-		break;
-
-	/* extra dual-role default-b states */
-	case 0x12:
-	case 0x13:
-	case 0x16:
-		extra = 1;
-	case 0x17:
-		state = OTG_STATE_B_WAIT_ACON;
-		break;
-	case 0x34:
-		state = OTG_STATE_B_HOST;
-		break;
-
-	/* default-a */
-	case 0x36:
-		state = OTG_STATE_A_IDLE;
-		break;
-	case 0x3c:
-		state = OTG_STATE_A_WAIT_VFALL;
-		break;
-	case 0x7d:
-		state = OTG_STATE_A_VBUS_ERR;
-		break;
-	case 0x9e:
-	case 0x9f:
-		extra = 1;
-	case 0x89:
-		state = OTG_STATE_A_PERIPHERAL;
-		break;
-	case 0xb7:
-		state = OTG_STATE_A_WAIT_VRISE;
-		break;
-	case 0xb8:
-		state = OTG_STATE_A_WAIT_BCON;
-		break;
-	case 0xb9:
-		state = OTG_STATE_A_HOST;
-		break;
-	case 0xba:
-		state = OTG_STATE_A_SUSPEND;
-		break;
-	default:
-		break;
-	}
-	if (isp->phy.otg->state == state && !extra)
-		return;
-	pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,
-		usb_otg_state_string(state), fsm, state_name(isp),
-		omap_readl(OTG_CTRL));
-}
-
-#else
-
-static inline void check_state(struct isp1301 *isp, const char *tag) { }
-
-#endif
-
-/* outputs from ISP1301_INTERRUPT_SOURCE */
-static void update_otg1(struct isp1301 *isp, u8 int_src)
-{
-	u32	otg_ctrl;
-
-	otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-	otg_ctrl &= ~OTG_XCEIV_INPUTS;
-	otg_ctrl &= ~(OTG_ID|OTG_ASESSVLD|OTG_VBUSVLD);
-
-	if (int_src & INTR_SESS_VLD)
-		otg_ctrl |= OTG_ASESSVLD;
-	else if (isp->phy.otg->state == OTG_STATE_A_WAIT_VFALL) {
-		a_idle(isp, "vfall");
-		otg_ctrl &= ~OTG_CTRL_BITS;
-	}
-	if (int_src & INTR_VBUS_VLD)
-		otg_ctrl |= OTG_VBUSVLD;
-	if (int_src & INTR_ID_GND) {		/* default-A */
-		if (isp->phy.otg->state == OTG_STATE_B_IDLE
-				|| isp->phy.otg->state
-					== OTG_STATE_UNDEFINED) {
-			a_idle(isp, "init");
-			return;
-		}
-	} else {				/* default-B */
-		otg_ctrl |= OTG_ID;
-		if (isp->phy.otg->state == OTG_STATE_A_IDLE
-			|| isp->phy.otg->state == OTG_STATE_UNDEFINED) {
-			b_idle(isp, "init");
-			return;
-		}
-	}
-	omap_writel(otg_ctrl, OTG_CTRL);
-}
-
-/* outputs from ISP1301_OTG_STATUS */
-static void update_otg2(struct isp1301 *isp, u8 otg_status)
-{
-	u32	otg_ctrl;
-
-	otg_ctrl = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-	otg_ctrl &= ~OTG_XCEIV_INPUTS;
-	otg_ctrl &= ~(OTG_BSESSVLD | OTG_BSESSEND);
-	if (otg_status & OTG_B_SESS_VLD)
-		otg_ctrl |= OTG_BSESSVLD;
-	else if (otg_status & OTG_B_SESS_END)
-		otg_ctrl |= OTG_BSESSEND;
-	omap_writel(otg_ctrl, OTG_CTRL);
-}
-
-/* inputs going to ISP1301 */
-static void otg_update_isp(struct isp1301 *isp)
-{
-	u32	otg_ctrl, otg_change;
-	u8	set = OTG1_DM_PULLDOWN, clr = OTG1_DM_PULLUP;
-
-	otg_ctrl = omap_readl(OTG_CTRL);
-	otg_change = otg_ctrl ^ isp->last_otg_ctrl;
-	isp->last_otg_ctrl = otg_ctrl;
-	otg_ctrl = otg_ctrl & OTG_XCEIV_INPUTS;
-
-	switch (isp->phy.otg->state) {
-	case OTG_STATE_B_IDLE:
-	case OTG_STATE_B_PERIPHERAL:
-	case OTG_STATE_B_SRP_INIT:
-		if (!(otg_ctrl & OTG_PULLUP)) {
-			// if (otg_ctrl & OTG_B_HNPEN) {
-			if (isp->phy.otg->gadget->b_hnp_enable) {
-				isp->phy.otg->state = OTG_STATE_B_WAIT_ACON;
-				pr_debug("  --> b_wait_acon\n");
-			}
-			goto pulldown;
-		}
-pullup:
-		set |= OTG1_DP_PULLUP;
-		clr |= OTG1_DP_PULLDOWN;
-		break;
-	case OTG_STATE_A_SUSPEND:
-	case OTG_STATE_A_PERIPHERAL:
-		if (otg_ctrl & OTG_PULLUP)
-			goto pullup;
-		fallthrough;
-	// case OTG_STATE_B_WAIT_ACON:
-	default:
-pulldown:
-		set |= OTG1_DP_PULLDOWN;
-		clr |= OTG1_DP_PULLUP;
-		break;
-	}
-
-#	define toggle(OTG,ISP) do { \
-		if (otg_ctrl & OTG) set |= ISP; \
-		else clr |= ISP; \
-		} while (0)
-
-	if (!(isp->phy.otg->host))
-		otg_ctrl &= ~OTG_DRV_VBUS;
-
-	switch (isp->phy.otg->state) {
-	case OTG_STATE_A_SUSPEND:
-		if (otg_ctrl & OTG_DRV_VBUS) {
-			set |= OTG1_VBUS_DRV;
-			break;
-		}
-		/* HNP failed for some reason (A_AIDL_BDIS timeout) */
-		notresponding(isp);
-
-		fallthrough;
-	case OTG_STATE_A_VBUS_ERR:
-		isp->phy.otg->state = OTG_STATE_A_WAIT_VFALL;
-		pr_debug("  --> a_wait_vfall\n");
-		fallthrough;
-	case OTG_STATE_A_WAIT_VFALL:
-		/* FIXME usbcore thinks port power is still on ... */
-		clr |= OTG1_VBUS_DRV;
-		break;
-	case OTG_STATE_A_IDLE:
-		if (otg_ctrl & OTG_DRV_VBUS) {
-			isp->phy.otg->state = OTG_STATE_A_WAIT_VRISE;
-			pr_debug("  --> a_wait_vrise\n");
-		}
-		fallthrough;
-	default:
-		toggle(OTG_DRV_VBUS, OTG1_VBUS_DRV);
-	}
-
-	toggle(OTG_PU_VBUS, OTG1_VBUS_CHRG);
-	toggle(OTG_PD_VBUS, OTG1_VBUS_DISCHRG);
-
-#	undef toggle
-
-	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, set);
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, clr);
-
-	/* HNP switch to host or peripheral; and SRP */
-	if (otg_change & OTG_PULLUP) {
-		u32 l;
-
-		switch (isp->phy.otg->state) {
-		case OTG_STATE_B_IDLE:
-			if (clr & OTG1_DP_PULLUP)
-				break;
-			isp->phy.otg->state = OTG_STATE_B_PERIPHERAL;
-			pr_debug("  --> b_peripheral\n");
-			break;
-		case OTG_STATE_A_SUSPEND:
-			if (clr & OTG1_DP_PULLUP)
-				break;
-			isp->phy.otg->state = OTG_STATE_A_PERIPHERAL;
-			pr_debug("  --> a_peripheral\n");
-			break;
-		default:
-			break;
-		}
-		l = omap_readl(OTG_CTRL);
-		l |= OTG_PULLUP;
-		omap_writel(l, OTG_CTRL);
-	}
-
-	check_state(isp, __func__);
-	dump_regs(isp, "otg->isp1301");
-}
-
-static irqreturn_t omap_otg_irq(int irq, void *_isp)
-{
-	u16		otg_irq = omap_readw(OTG_IRQ_SRC);
-	u32		otg_ctrl;
-	int		ret = IRQ_NONE;
-	struct isp1301	*isp = _isp;
-	struct usb_otg	*otg = isp->phy.otg;
-
-	/* update ISP1301 transceiver from OTG controller */
-	if (otg_irq & OPRT_CHG) {
-		omap_writew(OPRT_CHG, OTG_IRQ_SRC);
-		isp1301_defer_work(isp, WORK_UPDATE_ISP);
-		ret = IRQ_HANDLED;
-
-	/* SRP to become b_peripheral failed */
-	} else if (otg_irq & B_SRP_TMROUT) {
-		pr_debug("otg: B_SRP_TIMEOUT, %06x\n", omap_readl(OTG_CTRL));
-		notresponding(isp);
-
-		/* gadget drivers that care should monitor all kinds of
-		 * remote wakeup (SRP, normal) using their own timer
-		 * to give "check cable and A-device" messages.
-		 */
-		if (isp->phy.otg->state == OTG_STATE_B_SRP_INIT)
-			b_idle(isp, "srp_timeout");
-
-		omap_writew(B_SRP_TMROUT, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-	/* HNP to become b_host failed */
-	} else if (otg_irq & B_HNP_FAIL) {
-		pr_debug("otg: %s B_HNP_FAIL, %06x\n",
-				state_name(isp), omap_readl(OTG_CTRL));
-		notresponding(isp);
-
-		otg_ctrl = omap_readl(OTG_CTRL);
-		otg_ctrl |= OTG_BUSDROP;
-		otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
-		omap_writel(otg_ctrl, OTG_CTRL);
-
-		/* subset of b_peripheral()... */
-		isp->phy.otg->state = OTG_STATE_B_PERIPHERAL;
-		pr_debug("  --> b_peripheral\n");
-
-		omap_writew(B_HNP_FAIL, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-	/* detect SRP from B-device ... */
-	} else if (otg_irq & A_SRP_DETECT) {
-		pr_debug("otg: %s SRP_DETECT, %06x\n",
-				state_name(isp), omap_readl(OTG_CTRL));
-
-		isp1301_defer_work(isp, WORK_UPDATE_OTG);
-		switch (isp->phy.otg->state) {
-		case OTG_STATE_A_IDLE:
-			if (!otg->host)
-				break;
-			isp1301_defer_work(isp, WORK_HOST_RESUME);
-			otg_ctrl = omap_readl(OTG_CTRL);
-			otg_ctrl |= OTG_A_BUSREQ;
-			otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
-					& ~OTG_XCEIV_INPUTS
-					& OTG_CTRL_MASK;
-			omap_writel(otg_ctrl, OTG_CTRL);
-			break;
-		default:
-			break;
-		}
-
-		omap_writew(A_SRP_DETECT, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-	/* timer expired:  T(a_wait_bcon) and maybe T(a_wait_vrise)
-	 * we don't track them separately
-	 */
-	} else if (otg_irq & A_REQ_TMROUT) {
-		otg_ctrl = omap_readl(OTG_CTRL);
-		pr_info("otg: BCON_TMOUT from %s, %06x\n",
-				state_name(isp), otg_ctrl);
-		notresponding(isp);
-
-		otg_ctrl |= OTG_BUSDROP;
-		otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
-		omap_writel(otg_ctrl, OTG_CTRL);
-		isp->phy.otg->state = OTG_STATE_A_WAIT_VFALL;
-
-		omap_writew(A_REQ_TMROUT, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-	/* A-supplied voltage fell too low; overcurrent */
-	} else if (otg_irq & A_VBUS_ERR) {
-		otg_ctrl = omap_readl(OTG_CTRL);
-		printk(KERN_ERR "otg: %s, VBUS_ERR %04x ctrl %06x\n",
-			state_name(isp), otg_irq, otg_ctrl);
-
-		otg_ctrl |= OTG_BUSDROP;
-		otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
-		omap_writel(otg_ctrl, OTG_CTRL);
-		isp->phy.otg->state = OTG_STATE_A_VBUS_ERR;
-
-		omap_writew(A_VBUS_ERR, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-	/* switch driver; the transceiver code activates it,
-	 * ungating the udc clock or resuming OHCI.
-	 */
-	} else if (otg_irq & DRIVER_SWITCH) {
-		int	kick = 0;
-
-		otg_ctrl = omap_readl(OTG_CTRL);
-		printk(KERN_NOTICE "otg: %s, SWITCH to %s, ctrl %06x\n",
-				state_name(isp),
-				(otg_ctrl & OTG_DRIVER_SEL)
-					? "gadget" : "host",
-				otg_ctrl);
-		isp1301_defer_work(isp, WORK_UPDATE_ISP);
-
-		/* role is peripheral */
-		if (otg_ctrl & OTG_DRIVER_SEL) {
-			switch (isp->phy.otg->state) {
-			case OTG_STATE_A_IDLE:
-				b_idle(isp, __func__);
-				break;
-			default:
-				break;
-			}
-			isp1301_defer_work(isp, WORK_UPDATE_ISP);
-
-		/* role is host */
-		} else {
-			if (!(otg_ctrl & OTG_ID)) {
-				otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
-				omap_writel(otg_ctrl | OTG_A_BUSREQ, OTG_CTRL);
-			}
-
-			if (otg->host) {
-				switch (isp->phy.otg->state) {
-				case OTG_STATE_B_WAIT_ACON:
-					isp->phy.otg->state = OTG_STATE_B_HOST;
-					pr_debug("  --> b_host\n");
-					kick = 1;
-					break;
-				case OTG_STATE_A_WAIT_BCON:
-					isp->phy.otg->state = OTG_STATE_A_HOST;
-					pr_debug("  --> a_host\n");
-					break;
-				case OTG_STATE_A_PERIPHERAL:
-					isp->phy.otg->state = OTG_STATE_A_WAIT_BCON;
-					pr_debug("  --> a_wait_bcon\n");
-					break;
-				default:
-					break;
-				}
-				isp1301_defer_work(isp, WORK_HOST_RESUME);
-			}
-		}
-
-		omap_writew(DRIVER_SWITCH, OTG_IRQ_SRC);
-		ret = IRQ_HANDLED;
-
-		if (kick)
-			usb_bus_start_enum(otg->host, otg->host->otg_port);
-	}
-
-	check_state(isp, __func__);
-	return ret;
-}
-
-static struct platform_device *otg_dev;
-
-static int isp1301_otg_init(struct isp1301 *isp)
-{
-	u32 l;
-
-	if (!otg_dev)
-		return -ENODEV;
-
-	dump_regs(isp, __func__);
-	/* some of these values are board-specific... */
-	l = omap_readl(OTG_SYSCON_2);
-	l |= OTG_EN
-		/* for B-device: */
-		| SRP_GPDATA		/* 9msec Bdev D+ pulse */
-		| SRP_GPDVBUS		/* discharge after VBUS pulse */
-		// | (3 << 24)		/* 2msec VBUS pulse */
-		/* for A-device: */
-		| (0 << 20)		/* 200ms nominal A_WAIT_VRISE timer */
-		| SRP_DPW		/* detect 167+ns SRP pulses */
-		| SRP_DATA | SRP_VBUS	/* accept both kinds of SRP pulse */
-		;
-	omap_writel(l, OTG_SYSCON_2);
-
-	update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
-	update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
-
-	check_state(isp, __func__);
-	pr_debug("otg: %s, %s %06x\n",
-			state_name(isp), __func__, omap_readl(OTG_CTRL));
-
-	omap_writew(DRIVER_SWITCH | OPRT_CHG
-			| B_SRP_TMROUT | B_HNP_FAIL
-			| A_VBUS_ERR | A_SRP_DETECT | A_REQ_TMROUT, OTG_IRQ_EN);
-
-	l = omap_readl(OTG_SYSCON_2);
-	l |= OTG_EN;
-	omap_writel(l, OTG_SYSCON_2);
-
-	return 0;
-}
-
-static int otg_probe(struct platform_device *dev)
-{
-	// struct omap_usb_config *config = dev->platform_data;
-
-	otg_dev = dev;
-	return 0;
-}
-
-static int otg_remove(struct platform_device *dev)
-{
-	otg_dev = NULL;
-	return 0;
-}
-
-static struct platform_driver omap_otg_driver = {
-	.probe		= otg_probe,
-	.remove		= otg_remove,
-	.driver		= {
-		.name	= "omap_otg",
-	},
-};
-
-static int otg_bind(struct isp1301 *isp)
-{
-	int	status;
-
-	if (otg_dev)
-		return -EBUSY;
-
-	status = platform_driver_register(&omap_otg_driver);
-	if (status < 0)
-		return status;
-
-	if (otg_dev)
-		status = request_irq(otg_dev->resource[1].start, omap_otg_irq,
-				0, DRIVER_NAME, isp);
-	else
-		status = -ENODEV;
-
-	if (status < 0)
-		platform_driver_unregister(&omap_otg_driver);
-	return status;
-}
-
-static void otg_unbind(struct isp1301 *isp)
-{
-	if (!otg_dev)
-		return;
-	free_irq(otg_dev->resource[1].start, isp);
-}
-
-#else
-
-/* OTG controller isn't clocked */
-
-#endif	/* CONFIG_USB_OTG */
-
-/*-------------------------------------------------------------------------*/
-
-static void b_peripheral(struct isp1301 *isp)
-{
-	u32 l;
-
-	l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-	omap_writel(l, OTG_CTRL);
-
-	usb_gadget_vbus_connect(isp->phy.otg->gadget);
-
-#ifdef	CONFIG_USB_OTG
-	enable_vbus_draw(isp, 8);
-	otg_update_isp(isp);
-#else
-	enable_vbus_draw(isp, 100);
-	/* UDC driver just set OTG_BSESSVLD */
-	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLUP);
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLDOWN);
-	isp->phy.otg->state = OTG_STATE_B_PERIPHERAL;
-	pr_debug("  --> b_peripheral\n");
-	dump_regs(isp, "2periph");
-#endif
-}
-
-static void isp_update_otg(struct isp1301 *isp, u8 stat)
-{
-	struct usb_otg		*otg = isp->phy.otg;
-	u8			isp_stat, isp_bstat;
-	enum usb_otg_state	state = isp->phy.otg->state;
-
-	if (stat & INTR_BDIS_ACON)
-		pr_debug("OTG:  BDIS_ACON, %s\n", state_name(isp));
-
-	/* start certain state transitions right away */
-	isp_stat = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
-	if (isp_stat & INTR_ID_GND) {
-		if (otg->default_a) {
-			switch (state) {
-			case OTG_STATE_B_IDLE:
-				a_idle(isp, "idle");
-				fallthrough;
-			case OTG_STATE_A_IDLE:
-				enable_vbus_source(isp);
-				fallthrough;
-			case OTG_STATE_A_WAIT_VRISE:
-				/* we skip over OTG_STATE_A_WAIT_BCON, since
-				 * the HC will transition to A_HOST (or
-				 * A_SUSPEND!) without our noticing except
-				 * when HNP is used.
-				 */
-				if (isp_stat & INTR_VBUS_VLD)
-					isp->phy.otg->state = OTG_STATE_A_HOST;
-				break;
-			case OTG_STATE_A_WAIT_VFALL:
-				if (!(isp_stat & INTR_SESS_VLD))
-					a_idle(isp, "vfell");
-				break;
-			default:
-				if (!(isp_stat & INTR_VBUS_VLD))
-					isp->phy.otg->state = OTG_STATE_A_VBUS_ERR;
-				break;
-			}
-			isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
-		} else {
-			switch (state) {
-			case OTG_STATE_B_PERIPHERAL:
-			case OTG_STATE_B_HOST:
-			case OTG_STATE_B_WAIT_ACON:
-				usb_gadget_vbus_disconnect(otg->gadget);
-				break;
-			default:
-				break;
-			}
-			if (state != OTG_STATE_A_IDLE)
-				a_idle(isp, "id");
-			if (otg->host && state == OTG_STATE_A_IDLE)
-				isp1301_defer_work(isp, WORK_HOST_RESUME);
-			isp_bstat = 0;
-		}
-	} else {
-		u32 l;
-
-		/* if user unplugged mini-A end of cable,
-		 * don't bypass A_WAIT_VFALL.
-		 */
-		if (otg->default_a) {
-			switch (state) {
-			default:
-				isp->phy.otg->state = OTG_STATE_A_WAIT_VFALL;
-				break;
-			case OTG_STATE_A_WAIT_VFALL:
-				state = OTG_STATE_A_IDLE;
-				/* hub_wq may take a while to notice and
-				 * handle this disconnect, so don't go
-				 * to B_IDLE quite yet.
-				 */
-				break;
-			case OTG_STATE_A_IDLE:
-				host_suspend(isp);
-				isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1,
-						MC1_BDIS_ACON_EN);
-				isp->phy.otg->state = OTG_STATE_B_IDLE;
-				l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-				l &= ~OTG_CTRL_BITS;
-				omap_writel(l, OTG_CTRL);
-				break;
-			case OTG_STATE_B_IDLE:
-				break;
-			}
-		}
-		isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
-
-		switch (isp->phy.otg->state) {
-		case OTG_STATE_B_PERIPHERAL:
-		case OTG_STATE_B_WAIT_ACON:
-		case OTG_STATE_B_HOST:
-			if (likely(isp_bstat & OTG_B_SESS_VLD))
-				break;
-			enable_vbus_draw(isp, 0);
-#ifndef	CONFIG_USB_OTG
-			/* UDC driver will clear OTG_BSESSVLD */
-			isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1,
-						OTG1_DP_PULLDOWN);
-			isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
-						OTG1_DP_PULLUP);
-			dump_regs(isp, __func__);
-#endif
-			fallthrough;
-		case OTG_STATE_B_SRP_INIT:
-			b_idle(isp, __func__);
-			l = omap_readl(OTG_CTRL) & OTG_XCEIV_OUTPUTS;
-			omap_writel(l, OTG_CTRL);
-			fallthrough;
-		case OTG_STATE_B_IDLE:
-			if (otg->gadget && (isp_bstat & OTG_B_SESS_VLD)) {
-#ifdef	CONFIG_USB_OTG
-				update_otg1(isp, isp_stat);
-				update_otg2(isp, isp_bstat);
-#endif
-				b_peripheral(isp);
-			} else if (!(isp_stat & (INTR_VBUS_VLD|INTR_SESS_VLD)))
-				isp_bstat |= OTG_B_SESS_END;
-			break;
-		case OTG_STATE_A_WAIT_VFALL:
-			break;
-		default:
-			pr_debug("otg: unsupported b-device %s\n",
-				state_name(isp));
-			break;
-		}
-	}
-
-	if (state != isp->phy.otg->state)
-		pr_debug("  isp, %s -> %s\n",
-				usb_otg_state_string(state), state_name(isp));
-
-#ifdef	CONFIG_USB_OTG
-	/* update the OTG controller state to match the isp1301; may
-	 * trigger OPRT_CHG irqs for changes going to the isp1301.
-	 */
-	update_otg1(isp, isp_stat);
-	update_otg2(isp, isp_bstat);
-	check_state(isp, __func__);
-#endif
-
-	dump_regs(isp, "isp1301->otg");
-}
-
-/*-------------------------------------------------------------------------*/
-
-static u8 isp1301_clear_latch(struct isp1301 *isp)
-{
-	u8 latch = isp1301_get_u8(isp, ISP1301_INTERRUPT_LATCH);
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_LATCH, latch);
-	return latch;
-}
-
-static void
-isp1301_work(struct work_struct *work)
-{
-	struct isp1301	*isp = container_of(work, struct isp1301, work);
-	int		stop;
-
-	/* implicit lock:  we're the only task using this device */
-	isp->working = 1;
-	do {
-		stop = test_bit(WORK_STOP, &isp->todo);
-
-#ifdef	CONFIG_USB_OTG
-		/* transfer state from otg engine to isp1301 */
-		if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) {
-			otg_update_isp(isp);
-			put_device(&isp->client->dev);
-		}
-#endif
-		/* transfer state from isp1301 to otg engine */
-		if (test_and_clear_bit(WORK_UPDATE_OTG, &isp->todo)) {
-			u8		stat = isp1301_clear_latch(isp);
-
-			isp_update_otg(isp, stat);
-			put_device(&isp->client->dev);
-		}
-
-		if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) {
-			u32	otg_ctrl;
-
-			/*
-			 * skip A_WAIT_VRISE; hc transitions invisibly
-			 * skip A_WAIT_BCON; same.
-			 */
-			switch (isp->phy.otg->state) {
-			case OTG_STATE_A_WAIT_BCON:
-			case OTG_STATE_A_WAIT_VRISE:
-				isp->phy.otg->state = OTG_STATE_A_HOST;
-				pr_debug("  --> a_host\n");
-				otg_ctrl = omap_readl(OTG_CTRL);
-				otg_ctrl |= OTG_A_BUSREQ;
-				otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
-						& OTG_CTRL_MASK;
-				omap_writel(otg_ctrl, OTG_CTRL);
-				break;
-			case OTG_STATE_B_WAIT_ACON:
-				isp->phy.otg->state = OTG_STATE_B_HOST;
-				pr_debug("  --> b_host (acon)\n");
-				break;
-			case OTG_STATE_B_HOST:
-			case OTG_STATE_B_IDLE:
-			case OTG_STATE_A_IDLE:
-				break;
-			default:
-				pr_debug("  host resume in %s\n",
-						state_name(isp));
-			}
-			host_resume(isp);
-			// mdelay(10);
-			put_device(&isp->client->dev);
-		}
-
-		if (test_and_clear_bit(WORK_TIMER, &isp->todo)) {
-#ifdef	VERBOSE
-			dump_regs(isp, "timer");
-			if (!stop)
-				mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
-#endif
-			put_device(&isp->client->dev);
-		}
-
-		if (isp->todo)
-			dev_vdbg(&isp->client->dev,
-				"work done, todo = 0x%lx\n",
-				isp->todo);
-		if (stop) {
-			dev_dbg(&isp->client->dev, "stop\n");
-			break;
-		}
-	} while (isp->todo);
-	isp->working = 0;
-}
-
-static irqreturn_t isp1301_irq(int irq, void *isp)
-{
-	isp1301_defer_work(isp, WORK_UPDATE_OTG);
-	return IRQ_HANDLED;
-}
-
-static void isp1301_timer(struct timer_list *t)
-{
-	struct isp1301 *isp = from_timer(isp, t, timer);
-
-	isp1301_defer_work(isp, WORK_TIMER);
-}
-
-/*-------------------------------------------------------------------------*/
-
-static void isp1301_release(struct device *dev)
-{
-	struct isp1301	*isp;
-
-	isp = dev_get_drvdata(dev);
-
-	/* FIXME -- not with a "new style" driver, it doesn't!! */
-
-	/* ugly -- i2c hijacks our memory hook to wait_for_completion() */
-	if (isp->i2c_release)
-		isp->i2c_release(dev);
-	kfree(isp->phy.otg);
-	kfree (isp);
-}
-
-static struct isp1301 *the_transceiver;
-
-static void isp1301_remove(struct i2c_client *i2c)
-{
-	struct isp1301	*isp;
-
-	isp = i2c_get_clientdata(i2c);
-
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0);
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0);
-	free_irq(i2c->irq, isp);
-#ifdef	CONFIG_USB_OTG
-	otg_unbind(isp);
-#endif
-	set_bit(WORK_STOP, &isp->todo);
-	del_timer_sync(&isp->timer);
-	flush_work(&isp->work);
-
-	put_device(&i2c->dev);
-	the_transceiver = NULL;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* NOTE:  three modes are possible here, only one of which
- * will be standards-conformant on any given system:
- *
- *  - OTG mode (dual-role), required if there's a Mini-AB connector
- *  - HOST mode, for when there's one or more A (host) connectors
- *  - DEVICE mode, for when there's a B/Mini-B (device) connector
- *
- * As a rule, you won't have an isp1301 chip unless it's there to
- * support the OTG mode.  Other modes help testing USB controllers
- * in isolation from (full) OTG support, or maybe so later board
- * revisions can help to support those feature.
- */
-
-#ifdef	CONFIG_USB_OTG
-
-static int isp1301_otg_enable(struct isp1301 *isp)
-{
-	power_up(isp);
-	isp1301_otg_init(isp);
-
-	/* NOTE:  since we don't change this, this provides
-	 * a few more interrupts than are strictly needed.
-	 */
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-		INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-		INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
-
-	dev_info(&isp->client->dev, "ready for dual-role USB ...\n");
-
-	return 0;
-}
-
-#endif
-
-/* add or disable the host device+driver */
-static int
-isp1301_set_host(struct usb_otg *otg, struct usb_bus *host)
-{
-	struct isp1301	*isp = container_of(otg->usb_phy, struct isp1301, phy);
-
-	if (isp != the_transceiver)
-		return -ENODEV;
-
-	if (!host) {
-		omap_writew(0, OTG_IRQ_EN);
-		power_down(isp);
-		otg->host = NULL;
-		return 0;
-	}
-
-#ifdef	CONFIG_USB_OTG
-	otg->host = host;
-	dev_dbg(&isp->client->dev, "registered host\n");
-	host_suspend(isp);
-	if (otg->gadget)
-		return isp1301_otg_enable(isp);
-	return 0;
-
-#elif !IS_ENABLED(CONFIG_USB_OMAP)
-	// FIXME update its refcount
-	otg->host = host;
-
-	power_up(isp);
-
-	if (machine_is_omap_h2())
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-
-	dev_info(&isp->client->dev, "A-Host sessions ok\n");
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-		INTR_ID_GND);
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-		INTR_ID_GND);
-
-	/* If this has a Mini-AB connector, this mode is highly
-	 * nonstandard ... but can be handy for testing, especially with
-	 * the Mini-A end of an OTG cable.  (Or something nonstandard
-	 * like MiniB-to-StandardB, maybe built with a gender mender.)
-	 */
-	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_VBUS_DRV);
-
-	dump_regs(isp, __func__);
-
-	return 0;
-
-#else
-	dev_dbg(&isp->client->dev, "host sessions not allowed\n");
-	return -EINVAL;
-#endif
-
-}
-
-static int
-isp1301_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
-{
-	struct isp1301	*isp = container_of(otg->usb_phy, struct isp1301, phy);
-
-	if (isp != the_transceiver)
-		return -ENODEV;
-
-	if (!gadget) {
-		omap_writew(0, OTG_IRQ_EN);
-		if (!otg->default_a)
-			enable_vbus_draw(isp, 0);
-		usb_gadget_vbus_disconnect(otg->gadget);
-		otg->gadget = NULL;
-		power_down(isp);
-		return 0;
-	}
-
-#ifdef	CONFIG_USB_OTG
-	otg->gadget = gadget;
-	dev_dbg(&isp->client->dev, "registered gadget\n");
-	/* gadget driver may be suspended until vbus_connect () */
-	if (otg->host)
-		return isp1301_otg_enable(isp);
-	return 0;
-
-#elif	!defined(CONFIG_USB_OHCI_HCD) && !defined(CONFIG_USB_OHCI_HCD_MODULE)
-	otg->gadget = gadget;
-	// FIXME update its refcount
-
-	{
-		u32 l;
-
-		l = omap_readl(OTG_CTRL) & OTG_CTRL_MASK;
-		l &= ~(OTG_XCEIV_OUTPUTS|OTG_CTRL_BITS);
-		l |= OTG_ID;
-		omap_writel(l, OTG_CTRL);
-	}
-
-	power_up(isp);
-	isp->phy.otg->state = OTG_STATE_B_IDLE;
-
-	if (machine_is_omap_h2() || machine_is_omap_h3())
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
-
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
-		INTR_SESS_VLD);
-	isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
-		INTR_VBUS_VLD);
-	dev_info(&isp->client->dev, "B-Peripheral sessions ok\n");
-	dump_regs(isp, __func__);
-
-	/* If this has a Mini-AB connector, this mode is highly
-	 * nonstandard ... but can be handy for testing, so long
-	 * as you don't plug a Mini-A cable into the jack.
-	 */
-	if (isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE) & INTR_VBUS_VLD)
-		b_peripheral(isp);
-
-	return 0;
-
-#else
-	dev_dbg(&isp->client->dev, "peripheral sessions not allowed\n");
-	return -EINVAL;
-#endif
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-static int
-isp1301_set_power(struct usb_phy *dev, unsigned mA)
-{
-	if (!the_transceiver)
-		return -ENODEV;
-	if (dev->otg->state == OTG_STATE_B_PERIPHERAL)
-		enable_vbus_draw(the_transceiver, mA);
-	return 0;
-}
-
-static int
-isp1301_start_srp(struct usb_otg *otg)
-{
-	struct isp1301	*isp = container_of(otg->usb_phy, struct isp1301, phy);
-	u32		otg_ctrl;
-
-	if (isp != the_transceiver || isp->phy.otg->state != OTG_STATE_B_IDLE)
-		return -ENODEV;
-
-	otg_ctrl = omap_readl(OTG_CTRL);
-	if (!(otg_ctrl & OTG_BSESSEND))
-		return -EINVAL;
-
-	otg_ctrl |= OTG_B_BUSREQ;
-	otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK;
-	omap_writel(otg_ctrl, OTG_CTRL);
-	isp->phy.otg->state = OTG_STATE_B_SRP_INIT;
-
-	pr_debug("otg: SRP, %s ... %06x\n", state_name(isp),
-			omap_readl(OTG_CTRL));
-#ifdef	CONFIG_USB_OTG
-	check_state(isp, __func__);
-#endif
-	return 0;
-}
-
-static int
-isp1301_start_hnp(struct usb_otg *otg)
-{
-#ifdef	CONFIG_USB_OTG
-	struct isp1301	*isp = container_of(otg->usb_phy, struct isp1301, phy);
-	u32 l;
-
-	if (isp != the_transceiver)
-		return -ENODEV;
-	if (otg->default_a && (otg->host == NULL || !otg->host->b_hnp_enable))
-		return -ENOTCONN;
-	if (!otg->default_a && (otg->gadget == NULL
-			|| !otg->gadget->b_hnp_enable))
-		return -ENOTCONN;
-
-	/* We want hardware to manage most HNP protocol timings.
-	 * So do this part as early as possible...
-	 */
-	switch (isp->phy.otg->state) {
-	case OTG_STATE_B_HOST:
-		isp->phy.otg->state = OTG_STATE_B_PERIPHERAL;
-		/* caller will suspend next */
-		break;
-	case OTG_STATE_A_HOST:
-#if 0
-		/* autoconnect mode avoids irq latency bugs */
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1,
-				MC1_BDIS_ACON_EN);
-#endif
-		/* caller must suspend then clear A_BUSREQ */
-		usb_gadget_vbus_connect(otg->gadget);
-		l = omap_readl(OTG_CTRL);
-		l |= OTG_A_SETB_HNPEN;
-		omap_writel(l, OTG_CTRL);
-
-		break;
-	case OTG_STATE_A_PERIPHERAL:
-		/* initiated by B-Host suspend */
-		break;
-	default:
-		return -EILSEQ;
-	}
-	pr_debug("otg: HNP %s, %06x ...\n",
-		state_name(isp), omap_readl(OTG_CTRL));
-	check_state(isp, __func__);
-	return 0;
-#else
-	/* srp-only */
-	return -EINVAL;
-#endif
-}
-
-/*-------------------------------------------------------------------------*/
-
-static int
-isp1301_probe(struct i2c_client *i2c)
-{
-	int			status;
-	struct isp1301		*isp;
-	int irq;
-
-	if (the_transceiver)
-		return 0;
-
-	isp = kzalloc(sizeof *isp, GFP_KERNEL);
-	if (!isp)
-		return 0;
-
-	isp->phy.otg = kzalloc(sizeof *isp->phy.otg, GFP_KERNEL);
-	if (!isp->phy.otg) {
-		kfree(isp);
-		return 0;
-	}
-
-	INIT_WORK(&isp->work, isp1301_work);
-	timer_setup(&isp->timer, isp1301_timer, 0);
-
-	i2c_set_clientdata(i2c, isp);
-	isp->client = i2c;
-
-	/* verify the chip (shouldn't be necessary) */
-	status = isp1301_get_u16(isp, ISP1301_VENDOR_ID);
-	if (status != I2C_VENDOR_ID_PHILIPS) {
-		dev_dbg(&i2c->dev, "not philips id: %d\n", status);
-		goto fail;
-	}
-	status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID);
-	if (status != I2C_PRODUCT_ID_PHILIPS_1301) {
-		dev_dbg(&i2c->dev, "not isp1301, %d\n", status);
-		goto fail;
-	}
-	isp->i2c_release = i2c->dev.release;
-	i2c->dev.release = isp1301_release;
-
-	/* initial development used chiprev 2.00 */
-	status = i2c_smbus_read_word_data(i2c, ISP1301_BCD_DEVICE);
-	dev_info(&i2c->dev, "chiprev %x.%02x, driver " DRIVER_VERSION "\n",
-		status >> 8, status & 0xff);
-
-	/* make like power-on reset */
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_MASK);
-
-	isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_BI_DI);
-	isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, ~MC2_BI_DI);
-
-	isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1,
-				OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN);
-	isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
-				~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN));
-
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_LATCH, ~0);
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0);
-	isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0);
-
-#ifdef	CONFIG_USB_OTG
-	status = otg_bind(isp);
-	if (status < 0) {
-		dev_dbg(&i2c->dev, "can't bind OTG\n");
-		goto fail;
-	}
-#endif
-
-	if (machine_is_omap_h2()) {
-		struct gpio_desc *gpiod;
-
-		/* full speed signaling by default */
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1,
-			MC1_SPEED);
-		isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2,
-			MC2_SPD_SUSP_CTRL);
-
-		gpiod = devm_gpiod_get(&i2c->dev, NULL, GPIOD_IN);
-		if (IS_ERR(gpiod)) {
-			dev_err(&i2c->dev, "cannot obtain H2 GPIO\n");
-			goto fail;
-		}
-		gpiod_set_consumer_name(gpiod, "isp1301");
-		irq = gpiod_to_irq(gpiod);
-		isp->irq_type = IRQF_TRIGGER_FALLING;
-	} else {
-		irq = i2c->irq;
-	}
-
-	status = request_irq(irq, isp1301_irq,
-			isp->irq_type, DRIVER_NAME, isp);
-	if (status < 0) {
-		dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n",
-				i2c->irq, status);
-		goto fail;
-	}
-
-	isp->phy.dev = &i2c->dev;
-	isp->phy.label = DRIVER_NAME;
-	isp->phy.set_power = isp1301_set_power;
-
-	isp->phy.otg->usb_phy = &isp->phy;
-	isp->phy.otg->set_host = isp1301_set_host;
-	isp->phy.otg->set_peripheral = isp1301_set_peripheral;
-	isp->phy.otg->start_srp = isp1301_start_srp;
-	isp->phy.otg->start_hnp = isp1301_start_hnp;
-
-	enable_vbus_draw(isp, 0);
-	power_down(isp);
-	the_transceiver = isp;
-
-#ifdef	CONFIG_USB_OTG
-	update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
-	update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
-#endif
-
-	dump_regs(isp, __func__);
-
-#ifdef	VERBOSE
-	mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
-	dev_dbg(&i2c->dev, "scheduled timer, %d min\n", TIMER_MINUTES);
-#endif
-
-	status = usb_add_phy(&isp->phy, USB_PHY_TYPE_USB2);
-	if (status < 0)
-		dev_err(&i2c->dev, "can't register transceiver, %d\n",
-			status);
-
-	return 0;
-
-fail:
-	kfree(isp->phy.otg);
-	kfree(isp);
-	return -ENODEV;
-}
-
-static const struct i2c_device_id isp1301_id[] = {
-	{ "isp1301_omap", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, isp1301_id);
-
-static struct i2c_driver isp1301_driver = {
-	.driver = {
-		.name	= "isp1301_omap",
-	},
-	.probe_new	= isp1301_probe,
-	.remove		= isp1301_remove,
-	.id_table	= isp1301_id,
-};
-
-/*-------------------------------------------------------------------------*/
-
-static int __init isp_init(void)
-{
-	return i2c_add_driver(&isp1301_driver);
-}
-subsys_initcall(isp_init);
-
-static void __exit isp_exit(void)
-{
-	if (the_transceiver)
-		usb_remove_phy(&the_transceiver->phy);
-	i2c_del_driver(&isp1301_driver);
-}
-module_exit(isp_exit);
-