Revert "usb:gadget Separated decoding functions from dwc3 driver."

This reverts commit 3db1b636c07e15ff7410db782832dc2e7ffd2bce.

It's broken.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 0 insertions, 269 deletions

diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 500a5a592abe..130dad7130b6 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -9,6 +9,5 @@ ccflags-y				+= -I$(srctree)/drivers/usb/gadget/udc
 obj-$(CONFIG_USB_LIBCOMPOSITE)	+= libcomposite.o
 libcomposite-y			:= usbstring.o config.o epautoconf.o
 libcomposite-y			+= composite.o functions.o configfs.o u_f.o
-libcomposite-y			+= debug.o
 
 obj-$(CONFIG_USB_GADGET)	+= udc/ function/ legacy/
diff --git a/drivers/usb/gadget/debug.c b/drivers/usb/gadget/debug.c
deleted file mode 100644
index d5a469bc67a3..000000000000
--- a/drivers/usb/gadget/debug.c
+++ /dev/null
@@ -1,268 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/**
- * Common USB debugging functions
- *
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
- *
- * Authors: Felipe Balbi <balbi@ti.com>,
- *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
- */
-
-#include <linux/usb/ch9.h>
-
-static void usb_decode_get_status(__u8 bRequestType, __u16 wIndex,
-				  __u16 wLength, char *str, size_t size)
-{
-	switch (bRequestType & USB_RECIP_MASK) {
-	case USB_RECIP_DEVICE:
-		snprintf(str, size, "Get Device Status(Length = %d)", wLength);
-		break;
-	case USB_RECIP_INTERFACE:
-		snprintf(str, size,
-			 "Get Interface Status(Intf = %d, Length = %d)",
-			 wIndex, wLength);
-		break;
-	case USB_RECIP_ENDPOINT:
-		snprintf(str, size, "Get Endpoint Status(ep%d%s)",
-			 wIndex & ~USB_DIR_IN,
-			 wIndex & USB_DIR_IN ? "in" : "out");
-		break;
-	}
-}
-
-static void usb_decode_set_clear_feature(__u8 bRequestType, __u8 bRequest,
-					 __u16 wValue, __u16 wIndex,
-					 char *str, size_t size)
-{
-	switch (bRequestType & USB_RECIP_MASK) {
-	case USB_RECIP_DEVICE:
-		snprintf(str, size, "%s Device Feature(%s%s)",
-			 bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
-			 ({char *s;
-				switch (wValue) {
-				case USB_DEVICE_SELF_POWERED:
-					s = "Self Powered";
-					break;
-				case USB_DEVICE_REMOTE_WAKEUP:
-					s = "Remote Wakeup";
-					break;
-				case USB_DEVICE_TEST_MODE:
-					s = "Test Mode";
-					break;
-				case USB_DEVICE_U1_ENABLE:
-					s = "U1 Enable";
-					break;
-				case USB_DEVICE_U2_ENABLE:
-					s = "U2 Enable";
-					break;
-				case USB_DEVICE_LTM_ENABLE:
-					s = "LTM Enable";
-					break;
-				default:
-					s = "UNKNOWN";
-				} s; }),
-			 wValue == USB_DEVICE_TEST_MODE ?
-			 ({ char *s;
-				switch (wIndex) {
-				case TEST_J:
-					s = ": TEST_J";
-					break;
-				case TEST_K:
-					s = ": TEST_K";
-					break;
-				case TEST_SE0_NAK:
-					s = ": TEST_SE0_NAK";
-					break;
-				case TEST_PACKET:
-					s = ": TEST_PACKET";
-					break;
-				case TEST_FORCE_EN:
-					s = ": TEST_FORCE_EN";
-					break;
-				default:
-					s = ": UNKNOWN";
-				} s; }) : "");
-		break;
-	case USB_RECIP_INTERFACE:
-		snprintf(str, size, "%s Interface Feature(%s)",
-			 bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
-			 wValue == USB_INTRF_FUNC_SUSPEND ?
-			 "Function Suspend" : "UNKNOWN");
-		break;
-	case USB_RECIP_ENDPOINT:
-		snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)",
-			 bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
-			 wValue == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN",
-			 wIndex & ~USB_DIR_IN,
-			 wIndex & USB_DIR_IN ? "in" : "out");
-		break;
-	}
-}
-
-static void usb_decode_set_address(__u16 wValue, char *str, size_t size)
-{
-	snprintf(str, size, "Set Address(Addr = %02x)", wValue);
-}
-
-static void usb_decode_get_set_descriptor(__u8 bRequestType, __u8 bRequest,
-					  __u16 wValue, __u16 wIndex,
-					  __u16 wLength, char *str, size_t size)
-{
-	snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
-		 bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
-		 ({ char *s;
-			switch (wValue >> 8) {
-			case USB_DT_DEVICE:
-				s = "Device";
-				break;
-			case USB_DT_CONFIG:
-				s = "Configuration";
-				break;
-			case USB_DT_STRING:
-				s = "String";
-				break;
-			case USB_DT_INTERFACE:
-				s = "Interface";
-				break;
-			case USB_DT_ENDPOINT:
-				s = "Endpoint";
-				break;
-			case USB_DT_DEVICE_QUALIFIER:
-				s = "Device Qualifier";
-				break;
-			case USB_DT_OTHER_SPEED_CONFIG:
-				s = "Other Speed Config";
-				break;
-			case USB_DT_INTERFACE_POWER:
-				s = "Interface Power";
-				break;
-			case USB_DT_OTG:
-				s = "OTG";
-				break;
-			case USB_DT_DEBUG:
-				s = "Debug";
-				break;
-			case USB_DT_INTERFACE_ASSOCIATION:
-				s = "Interface Association";
-				break;
-			case USB_DT_BOS:
-				s = "BOS";
-				break;
-			case USB_DT_DEVICE_CAPABILITY:
-				s = "Device Capability";
-				break;
-			case USB_DT_PIPE_USAGE:
-				s = "Pipe Usage";
-				break;
-			case USB_DT_SS_ENDPOINT_COMP:
-				s = "SS Endpoint Companion";
-				break;
-			case USB_DT_SSP_ISOC_ENDPOINT_COMP:
-				s = "SSP Isochronous Endpoint Companion";
-				break;
-			default:
-				s = "UNKNOWN";
-				break;
-			} s; }), wValue & 0xff, wLength);
-}
-
-static void usb_decode_get_configuration(__u16 wLength, char *str, size_t size)
-{
-	snprintf(str, size, "Get Configuration(Length = %d)", wLength);
-}
-
-static void usb_decode_set_configuration(__u8 wValue, char *str, size_t size)
-{
-	snprintf(str, size, "Set Configuration(Config = %d)", wValue);
-}
-
-static void usb_decode_get_intf(__u16 wIndex, __u16 wLength, char *str,
-				size_t size)
-{
-	snprintf(str, size, "Get Interface(Intf = %d, Length = %d)",
-		 wIndex, wLength);
-}
-
-static void usb_decode_set_intf(__u8 wValue, __u16 wIndex, char *str,
-				size_t size)
-{
-	snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)",
-		 wIndex, wValue);
-}
-
-static void usb_decode_synch_frame(__u16 wIndex, __u16 wLength,
-				   char *str, size_t size)
-{
-	snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)",
-		 wIndex, wLength);
-}
-
-static void usb_decode_set_sel(__u16 wLength, char *str, size_t size)
-{
-	snprintf(str, size, "Set SEL(Length = %d)", wLength);
-}
-
-static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size)
-{
-	snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue);
-}
-
-/**
- * usb_decode_ctrl - returns a string representation of ctrl request
- */
-const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
-			    __u8 bRequest, __u16 wValue, __u16 wIndex,
-			    __u16 wLength)
-{
-	switch (bRequest) {
-	case USB_REQ_GET_STATUS:
-		usb_decode_get_status(bRequestType, wIndex, wLength, str, size);
-		break;
-	case USB_REQ_CLEAR_FEATURE:
-	case USB_REQ_SET_FEATURE:
-		usb_decode_set_clear_feature(bRequestType, bRequest, wValue,
-					     wIndex, str, size);
-		break;
-	case USB_REQ_SET_ADDRESS:
-		usb_decode_set_address(wValue, str, size);
-		break;
-	case USB_REQ_GET_DESCRIPTOR:
-	case USB_REQ_SET_DESCRIPTOR:
-		usb_decode_get_set_descriptor(bRequestType, bRequest, wValue,
-					      wIndex, wLength, str, size);
-		break;
-	case USB_REQ_GET_CONFIGURATION:
-		usb_decode_get_configuration(wLength, str, size);
-		break;
-	case USB_REQ_SET_CONFIGURATION:
-		usb_decode_set_configuration(wValue, str, size);
-		break;
-	case USB_REQ_GET_INTERFACE:
-		usb_decode_get_intf(wIndex, wLength, str, size);
-		break;
-	case USB_REQ_SET_INTERFACE:
-		usb_decode_set_intf(wValue, wIndex, str, size);
-		break;
-	case USB_REQ_SYNCH_FRAME:
-		usb_decode_synch_frame(wIndex, wLength, str, size);
-		break;
-	case USB_REQ_SET_SEL:
-		usb_decode_set_sel(wLength, str, size);
-		break;
-	case USB_REQ_SET_ISOCH_DELAY:
-		usb_decode_set_isoch_delay(wValue, str, size);
-		break;
-	default:
-		snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x",
-			 bRequestType, bRequest,
-			 (u8)(cpu_to_le16(wValue) & 0xff),
-			 (u8)(cpu_to_le16(wValue) >> 8),
-			 (u8)(cpu_to_le16(wIndex) & 0xff),
-			 (u8)(cpu_to_le16(wIndex) >> 8),
-			 (u8)(cpu_to_le16(wLength) & 0xff),
-			 (u8)(cpu_to_le16(wLength) >> 8));
-	}
-
-	return str;
-}
-EXPORT_SYMBOL_GPL(usb_decode_ctrl);