usb: gadget: Gadget directory cleanup - group legacy gadgets

The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the legacy gadgets (i.e. those not using configfs)
into a separate directory.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 434 deletions

diff --git a/drivers/usb/gadget/dbgp.c b/drivers/usb/gadget/dbgp.c
deleted file mode 100644
index 986fc511a2ed..000000000000
--- a/drivers/usb/gadget/dbgp.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * dbgp.c -- EHCI Debug Port device gadget
- *
- * Copyright (C) 2010 Stephane Duverger
- *
- * Released under the GPLv2.
- */
-
-/* verbose messages */
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-
-#include "u_serial.h"
-
-#define DRIVER_VENDOR_ID	0x0525 /* NetChip */
-#define DRIVER_PRODUCT_ID	0xc0de /* undefined */
-
-#define USB_DEBUG_MAX_PACKET_SIZE     8
-#define DBGP_REQ_EP0_LEN              128
-#define DBGP_REQ_LEN                  512
-
-static struct dbgp {
-	struct usb_gadget  *gadget;
-	struct usb_request *req;
-	struct usb_ep      *i_ep;
-	struct usb_ep      *o_ep;
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-	struct gserial     *serial;
-#endif
-} dbgp;
-
-static struct usb_device_descriptor device_desc = {
-	.bLength = sizeof device_desc,
-	.bDescriptorType = USB_DT_DEVICE,
-	.bcdUSB = __constant_cpu_to_le16(0x0200),
-	.bDeviceClass =	USB_CLASS_VENDOR_SPEC,
-	.idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_ID),
-	.idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_ID),
-	.bNumConfigurations = 1,
-};
-
-static struct usb_debug_descriptor dbg_desc = {
-	.bLength = sizeof dbg_desc,
-	.bDescriptorType = USB_DT_DEBUG,
-};
-
-static struct usb_endpoint_descriptor i_desc = {
-	.bLength = USB_DT_ENDPOINT_SIZE,
-	.bDescriptorType = USB_DT_ENDPOINT,
-	.bmAttributes = USB_ENDPOINT_XFER_BULK,
-	.bEndpointAddress = USB_DIR_IN,
-};
-
-static struct usb_endpoint_descriptor o_desc = {
-	.bLength = USB_DT_ENDPOINT_SIZE,
-	.bDescriptorType = USB_DT_ENDPOINT,
-	.bmAttributes = USB_ENDPOINT_XFER_BULK,
-	.bEndpointAddress = USB_DIR_OUT,
-};
-
-#ifdef CONFIG_USB_G_DBGP_PRINTK
-static int dbgp_consume(char *buf, unsigned len)
-{
-	char c;
-
-	if (!len)
-		return 0;
-
-	c = buf[len-1];
-	if (c != 0)
-		buf[len-1] = 0;
-
-	printk(KERN_NOTICE "%s%c", buf, c);
-	return 0;
-}
-
-static void __disable_ep(struct usb_ep *ep)
-{
-	if (ep && ep->driver_data == dbgp.gadget) {
-		usb_ep_disable(ep);
-		ep->driver_data = NULL;
-	}
-}
-
-static void dbgp_disable_ep(void)
-{
-	__disable_ep(dbgp.i_ep);
-	__disable_ep(dbgp.o_ep);
-}
-
-static void dbgp_complete(struct usb_ep *ep, struct usb_request *req)
-{
-	int stp;
-	int err = 0;
-	int status = req->status;
-
-	if (ep == dbgp.i_ep) {
-		stp = 1;
-		goto fail;
-	}
-
-	if (status != 0) {
-		stp = 2;
-		goto release_req;
-	}
-
-	dbgp_consume(req->buf, req->actual);
-
-	req->length = DBGP_REQ_LEN;
-	err = usb_ep_queue(ep, req, GFP_ATOMIC);
-	if (err < 0) {
-		stp = 3;
-		goto release_req;
-	}
-
-	return;
-
-release_req:
-	kfree(req->buf);
-	usb_ep_free_request(dbgp.o_ep, req);
-	dbgp_disable_ep();
-fail:
-	dev_dbg(&dbgp.gadget->dev,
-		"complete: failure (%d:%d) ==> %d\n", stp, err, status);
-}
-
-static int dbgp_enable_ep_req(struct usb_ep *ep)
-{
-	int err, stp;
-	struct usb_request *req;
-
-	req = usb_ep_alloc_request(ep, GFP_KERNEL);
-	if (!req) {
-		err = -ENOMEM;
-		stp = 1;
-		goto fail_1;
-	}
-
-	req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL);
-	if (!req->buf) {
-		err = -ENOMEM;
-		stp = 2;
-		goto fail_2;
-	}
-
-	req->complete = dbgp_complete;
-	req->length = DBGP_REQ_LEN;
-	err = usb_ep_queue(ep, req, GFP_ATOMIC);
-	if (err < 0) {
-		stp = 3;
-		goto fail_3;
-	}
-
-	return 0;
-
-fail_3:
-	kfree(req->buf);
-fail_2:
-	usb_ep_free_request(dbgp.o_ep, req);
-fail_1:
-	dev_dbg(&dbgp.gadget->dev,
-		"enable ep req: failure (%d:%d)\n", stp, err);
-	return err;
-}
-
-static int __enable_ep(struct usb_ep *ep, struct usb_endpoint_descriptor *desc)
-{
-	int err;
-	ep->desc = desc;
-	err = usb_ep_enable(ep);
-	ep->driver_data = dbgp.gadget;
-	return err;
-}
-
-static int dbgp_enable_ep(void)
-{
-	int err, stp;
-
-	err = __enable_ep(dbgp.i_ep, &i_desc);
-	if (err < 0) {
-		stp = 1;
-		goto fail_1;
-	}
-
-	err = __enable_ep(dbgp.o_ep, &o_desc);
-	if (err < 0) {
-		stp = 2;
-		goto fail_2;
-	}
-
-	err = dbgp_enable_ep_req(dbgp.o_ep);
-	if (err < 0) {
-		stp = 3;
-		goto fail_3;
-	}
-
-	return 0;
-
-fail_3:
-	__disable_ep(dbgp.o_ep);
-fail_2:
-	__disable_ep(dbgp.i_ep);
-fail_1:
-	dev_dbg(&dbgp.gadget->dev, "enable ep: failure (%d:%d)\n", stp, err);
-	return err;
-}
-#endif
-
-static void dbgp_disconnect(struct usb_gadget *gadget)
-{
-#ifdef CONFIG_USB_G_DBGP_PRINTK
-	dbgp_disable_ep();
-#else
-	gserial_disconnect(dbgp.serial);
-#endif
-}
-
-static void dbgp_unbind(struct usb_gadget *gadget)
-{
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-	kfree(dbgp.serial);
-#endif
-	if (dbgp.req) {
-		kfree(dbgp.req->buf);
-		usb_ep_free_request(gadget->ep0, dbgp.req);
-	}
-
-	gadget->ep0->driver_data = NULL;
-}
-
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-static unsigned char tty_line;
-#endif
-
-static int __init dbgp_configure_endpoints(struct usb_gadget *gadget)
-{
-	int stp;
-
-	usb_ep_autoconfig_reset(gadget);
-
-	dbgp.i_ep = usb_ep_autoconfig(gadget, &i_desc);
-	if (!dbgp.i_ep) {
-		stp = 1;
-		goto fail_1;
-	}
-
-	dbgp.i_ep->driver_data = gadget;
-	i_desc.wMaxPacketSize =
-		__constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE);
-
-	dbgp.o_ep = usb_ep_autoconfig(gadget, &o_desc);
-	if (!dbgp.o_ep) {
-		dbgp.i_ep->driver_data = NULL;
-		stp = 2;
-		goto fail_2;
-	}
-
-	dbgp.o_ep->driver_data = gadget;
-	o_desc.wMaxPacketSize =
-		__constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE);
-
-	dbg_desc.bDebugInEndpoint = i_desc.bEndpointAddress;
-	dbg_desc.bDebugOutEndpoint = o_desc.bEndpointAddress;
-
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-	dbgp.serial->in = dbgp.i_ep;
-	dbgp.serial->out = dbgp.o_ep;
-
-	dbgp.serial->in->desc = &i_desc;
-	dbgp.serial->out->desc = &o_desc;
-
-	if (gserial_alloc_line(&tty_line)) {
-		stp = 3;
-		goto fail_3;
-	}
-
-	return 0;
-
-fail_3:
-	dbgp.o_ep->driver_data = NULL;
-#else
-	return 0;
-#endif
-fail_2:
-	dbgp.i_ep->driver_data = NULL;
-fail_1:
-	dev_dbg(&dbgp.gadget->dev, "ep config: failure (%d)\n", stp);
-	return -ENODEV;
-}
-
-static int __init dbgp_bind(struct usb_gadget *gadget,
-		struct usb_gadget_driver *driver)
-{
-	int err, stp;
-
-	dbgp.gadget = gadget;
-
-	dbgp.req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL);
-	if (!dbgp.req) {
-		err = -ENOMEM;
-		stp = 1;
-		goto fail;
-	}
-
-	dbgp.req->buf = kmalloc(DBGP_REQ_EP0_LEN, GFP_KERNEL);
-	if (!dbgp.req->buf) {
-		err = -ENOMEM;
-		stp = 2;
-		goto fail;
-	}
-
-	dbgp.req->length = DBGP_REQ_EP0_LEN;
-	gadget->ep0->driver_data = gadget;
-
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-	dbgp.serial = kzalloc(sizeof(struct gserial), GFP_KERNEL);
-	if (!dbgp.serial) {
-		stp = 3;
-		err = -ENOMEM;
-		goto fail;
-	}
-#endif
-	err = dbgp_configure_endpoints(gadget);
-	if (err < 0) {
-		stp = 4;
-		goto fail;
-	}
-
-	dev_dbg(&dbgp.gadget->dev, "bind: success\n");
-	return 0;
-
-fail:
-	dev_dbg(&gadget->dev, "bind: failure (%d:%d)\n", stp, err);
-	dbgp_unbind(gadget);
-	return err;
-}
-
-static void dbgp_setup_complete(struct usb_ep *ep,
-				struct usb_request *req)
-{
-	dev_dbg(&dbgp.gadget->dev, "setup complete: %d, %d/%d\n",
-		req->status, req->actual, req->length);
-}
-
-static int dbgp_setup(struct usb_gadget *gadget,
-		      const struct usb_ctrlrequest *ctrl)
-{
-	struct usb_request *req = dbgp.req;
-	u8 request = ctrl->bRequest;
-	u16 value = le16_to_cpu(ctrl->wValue);
-	u16 length = le16_to_cpu(ctrl->wLength);
-	int err = -EOPNOTSUPP;
-	void *data = NULL;
-	u16 len = 0;
-
-	gadget->ep0->driver_data = gadget;
-
-	if (request == USB_REQ_GET_DESCRIPTOR) {
-		switch (value>>8) {
-		case USB_DT_DEVICE:
-			dev_dbg(&dbgp.gadget->dev, "setup: desc device\n");
-			len = sizeof device_desc;
-			data = &device_desc;
-			device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
-			break;
-		case USB_DT_DEBUG:
-			dev_dbg(&dbgp.gadget->dev, "setup: desc debug\n");
-			len = sizeof dbg_desc;
-			data = &dbg_desc;
-			break;
-		default:
-			goto fail;
-		}
-		err = 0;
-	} else if (request == USB_REQ_SET_FEATURE &&
-		   value == USB_DEVICE_DEBUG_MODE) {
-		dev_dbg(&dbgp.gadget->dev, "setup: feat debug\n");
-#ifdef CONFIG_USB_G_DBGP_PRINTK
-		err = dbgp_enable_ep();
-#else
-		err = gserial_connect(dbgp.serial, tty_line);
-#endif
-		if (err < 0)
-			goto fail;
-	} else
-		goto fail;
-
-	req->length = min(length, len);
-	req->zero = len < req->length;
-	if (data && req->length)
-		memcpy(req->buf, data, req->length);
-
-	req->complete = dbgp_setup_complete;
-	return usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
-
-fail:
-	dev_dbg(&dbgp.gadget->dev,
-		"setup: failure req %x v %x\n", request, value);
-	return err;
-}
-
-static __refdata struct usb_gadget_driver dbgp_driver = {
-	.function = "dbgp",
-	.max_speed = USB_SPEED_HIGH,
-	.bind = dbgp_bind,
-	.unbind = dbgp_unbind,
-	.setup = dbgp_setup,
-	.disconnect = dbgp_disconnect,
-	.driver	= {
-		.owner = THIS_MODULE,
-		.name = "dbgp"
-	},
-};
-
-static int __init dbgp_init(void)
-{
-	return usb_gadget_probe_driver(&dbgp_driver);
-}
-
-static void __exit dbgp_exit(void)
-{
-	usb_gadget_unregister_driver(&dbgp_driver);
-#ifdef CONFIG_USB_G_DBGP_SERIAL
-	gserial_free_line(tty_line);
-#endif
-}
-
-MODULE_AUTHOR("Stephane Duverger");
-MODULE_LICENSE("GPL");
-module_init(dbgp_init);
-module_exit(dbgp_exit);