usb: gadget: remove s3c24xx drivers

The s3c24xx platform is gone, so both the udc and hsudc drivers
can be removed as well.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/usb/gadget/udc/Kconfig

@@ -206,31 +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

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

drivers/usb/gadget/udc/s3c2410_udc.h

-// 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

drivers/usb/gadget/udc/s3c2410_udc_regs.h

-/* 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

include/linux/platform_data/s3c-hsudc.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * S3C24XX USB 2.0 High-speed USB controller gadget driver
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * 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.
-*/
-
-#ifndef __LINUX_USB_S3C_HSUDC_H
-#define __LINUX_USB_S3C_HSUDC_H
-
-/**
- * s3c24xx_hsudc_platdata - Platform data for USB High-Speed gadget controller.
- * @epnum: Number of endpoints to be instantiated by the controller driver.
- * @gpio_init: Platform specific USB related GPIO initialization.
- * @gpio_uninit: Platform specific USB releted GPIO uninitialzation.
- *
- * Representation of platform data for the S3C24XX USB 2.0 High Speed gadget
- * controllers.
- */
-struct s3c24xx_hsudc_platdata {
-	unsigned int	epnum;
-	void		(*gpio_init)(void);
-	void		(*gpio_uninit)(void);
-	void		(*phy_init)(void);
-	void		(*phy_uninit)(void);
-};
-
-#endif	/* __LINUX_USB_S3C_HSUDC_H */

include/linux/platform_data/usb-s3c2410_udc.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/* arch/arm/plat-samsung/include/plat/udc.h
- *
- * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
- *
- *  Changelog:
- *	14-Mar-2005	RTP	Created file
- *	02-Aug-2005	RTP	File rename
- *	07-Sep-2005	BJD	Minor cleanups, changed cmd to enum
- *	18-Jan-2007	HMW	Add per-platform vbus_draw function
-*/
-
-#ifndef __ASM_ARM_ARCH_UDC_H
-#define __ASM_ARM_ARCH_UDC_H
-
-enum s3c2410_udc_cmd_e {
-	S3C2410_UDC_P_ENABLE	= 1,	/* Pull-up enable        */
-	S3C2410_UDC_P_DISABLE	= 2,	/* Pull-up disable       */
-	S3C2410_UDC_P_RESET	= 3,	/* UDC reset, in case of */
-};
-
-struct s3c2410_udc_mach_info {
-	void	(*udc_command)(enum s3c2410_udc_cmd_e);
-	void	(*vbus_draw)(unsigned int ma);
-};
-
-extern void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *);
-
-struct s3c24xx_hsudc_platdata;
-
-extern void __init s3c24xx_hsudc_set_platdata(struct s3c24xx_hsudc_platdata *pd);
-
-#endif /* __ASM_ARM_ARCH_UDC_H */