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, 510 deletions

diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
deleted file mode 100644
index 39d27bb343b4..000000000000
--- a/drivers/usb/gadget/multi.c
+++ /dev/null
@@ -1,510 +0,0 @@
-/*
- * multi.c -- Multifunction Composite driver
- *
- * Copyright (C) 2008 David Brownell
- * Copyright (C) 2008 Nokia Corporation
- * Copyright (C) 2009 Samsung Electronics
- * Author: Michal Nazarewicz (mina86@mina86.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-
-#include "u_serial.h"
-#if defined USB_ETH_RNDIS
-#  undef USB_ETH_RNDIS
-#endif
-#ifdef CONFIG_USB_G_MULTI_RNDIS
-#  define USB_ETH_RNDIS y
-#endif
-
-
-#define DRIVER_DESC		"Multifunction Composite Gadget"
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_AUTHOR("Michal Nazarewicz");
-MODULE_LICENSE("GPL");
-
-
-#include "f_mass_storage.h"
-
-#include "u_ecm.h"
-#ifdef USB_ETH_RNDIS
-#  include "u_rndis.h"
-#  include "rndis.h"
-#endif
-#include "u_ether.h"
-
-USB_GADGET_COMPOSITE_OPTIONS();
-
-USB_ETHERNET_MODULE_PARAMETERS();
-
-/***************************** Device Descriptor ****************************/
-
-#define MULTI_VENDOR_NUM	0x1d6b	/* Linux Foundation */
-#define MULTI_PRODUCT_NUM	0x0104	/* Multifunction Composite Gadget */
-
-
-enum {
-	__MULTI_NO_CONFIG,
-#ifdef CONFIG_USB_G_MULTI_RNDIS
-	MULTI_RNDIS_CONFIG_NUM,
-#endif
-#ifdef CONFIG_USB_G_MULTI_CDC
-	MULTI_CDC_CONFIG_NUM,
-#endif
-};
-
-
-static struct usb_device_descriptor device_desc = {
-	.bLength =		sizeof device_desc,
-	.bDescriptorType =	USB_DT_DEVICE,
-
-	.bcdUSB =		cpu_to_le16(0x0200),
-
-	.bDeviceClass =		USB_CLASS_MISC /* 0xEF */,
-	.bDeviceSubClass =	2,
-	.bDeviceProtocol =	1,
-
-	/* Vendor and product id can be overridden by module parameters.  */
-	.idVendor =		cpu_to_le16(MULTI_VENDOR_NUM),
-	.idProduct =		cpu_to_le16(MULTI_PRODUCT_NUM),
-};
-
-
-static const struct usb_descriptor_header *otg_desc[] = {
-	(struct usb_descriptor_header *) &(struct usb_otg_descriptor){
-		.bLength =		sizeof(struct usb_otg_descriptor),
-		.bDescriptorType =	USB_DT_OTG,
-
-		/*
-		 * REVISIT SRP-only hardware is possible, although
-		 * it would not be called "OTG" ...
-		 */
-		.bmAttributes =		USB_OTG_SRP | USB_OTG_HNP,
-	},
-	NULL,
-};
-
-
-enum {
-	MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX,
-	MULTI_STRING_CDC_CONFIG_IDX,
-};
-
-static struct usb_string strings_dev[] = {
-	[USB_GADGET_MANUFACTURER_IDX].s = "",
-	[USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC,
-	[USB_GADGET_SERIAL_IDX].s = "",
-	[MULTI_STRING_RNDIS_CONFIG_IDX].s = "Multifunction with RNDIS",
-	[MULTI_STRING_CDC_CONFIG_IDX].s   = "Multifunction with CDC ECM",
-	{  } /* end of list */
-};
-
-static struct usb_gadget_strings *dev_strings[] = {
-	&(struct usb_gadget_strings){
-		.language	= 0x0409,	/* en-us */
-		.strings	= strings_dev,
-	},
-	NULL,
-};
-
-
-
-
-/****************************** Configurations ******************************/
-
-static struct fsg_module_parameters fsg_mod_data = { .stall = 1 };
-#ifdef CONFIG_USB_GADGET_DEBUG_FILES
-
-static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS;
-
-#else
-
-/*
- * Number of buffers we will use.
- * 2 is usually enough for good buffering pipeline
- */
-#define fsg_num_buffers	CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS
-
-#endif /* CONFIG_USB_GADGET_DEBUG_FILES */
-
-FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data);
-
-static struct usb_function_instance *fi_acm;
-static struct usb_function_instance *fi_msg;
-
-/********** RNDIS **********/
-
-#ifdef USB_ETH_RNDIS
-static struct usb_function_instance *fi_rndis;
-static struct usb_function *f_acm_rndis;
-static struct usb_function *f_rndis;
-static struct usb_function *f_msg_rndis;
-
-static __init int rndis_do_config(struct usb_configuration *c)
-{
-	struct fsg_opts *fsg_opts;
-	int ret;
-
-	if (gadget_is_otg(c->cdev->gadget)) {
-		c->descriptors = otg_desc;
-		c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-	}
-
-	f_rndis = usb_get_function(fi_rndis);
-	if (IS_ERR(f_rndis))
-		return PTR_ERR(f_rndis);
-
-	ret = usb_add_function(c, f_rndis);
-	if (ret < 0)
-		goto err_func_rndis;
-
-	f_acm_rndis = usb_get_function(fi_acm);
-	if (IS_ERR(f_acm_rndis)) {
-		ret = PTR_ERR(f_acm_rndis);
-		goto err_func_acm;
-	}
-
-	ret = usb_add_function(c, f_acm_rndis);
-	if (ret)
-		goto err_conf;
-
-	f_msg_rndis = usb_get_function(fi_msg);
-	if (IS_ERR(f_msg_rndis)) {
-		ret = PTR_ERR(f_msg_rndis);
-		goto err_fsg;
-	}
-
-	fsg_opts = fsg_opts_from_func_inst(fi_msg);
-	ret = fsg_common_run_thread(fsg_opts->common);
-	if (ret)
-		goto err_run;
-
-	ret = usb_add_function(c, f_msg_rndis);
-	if (ret)
-		goto err_run;
-
-	return 0;
-err_run:
-	usb_put_function(f_msg_rndis);
-err_fsg:
-	usb_remove_function(c, f_acm_rndis);
-err_conf:
-	usb_put_function(f_acm_rndis);
-err_func_acm:
-	usb_remove_function(c, f_rndis);
-err_func_rndis:
-	usb_put_function(f_rndis);
-	return ret;
-}
-
-static __ref int rndis_config_register(struct usb_composite_dev *cdev)
-{
-	static struct usb_configuration config = {
-		.bConfigurationValue	= MULTI_RNDIS_CONFIG_NUM,
-		.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	};
-
-	config.label          = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].s;
-	config.iConfiguration = strings_dev[MULTI_STRING_RNDIS_CONFIG_IDX].id;
-
-	return usb_add_config(cdev, &config, rndis_do_config);
-}
-
-#else
-
-static __ref int rndis_config_register(struct usb_composite_dev *cdev)
-{
-	return 0;
-}
-
-#endif
-
-
-/********** CDC ECM **********/
-
-#ifdef CONFIG_USB_G_MULTI_CDC
-static struct usb_function_instance *fi_ecm;
-static struct usb_function *f_acm_multi;
-static struct usb_function *f_ecm;
-static struct usb_function *f_msg_multi;
-
-static __init int cdc_do_config(struct usb_configuration *c)
-{
-	struct fsg_opts *fsg_opts;
-	int ret;
-
-	if (gadget_is_otg(c->cdev->gadget)) {
-		c->descriptors = otg_desc;
-		c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-	}
-
-	f_ecm = usb_get_function(fi_ecm);
-	if (IS_ERR(f_ecm))
-		return PTR_ERR(f_ecm);
-
-	ret = usb_add_function(c, f_ecm);
-	if (ret < 0)
-		goto err_func_ecm;
-
-	/* implicit port_num is zero */
-	f_acm_multi = usb_get_function(fi_acm);
-	if (IS_ERR(f_acm_multi)) {
-		ret = PTR_ERR(f_acm_multi);
-		goto err_func_acm;
-	}
-
-	ret = usb_add_function(c, f_acm_multi);
-	if (ret)
-		goto err_conf;
-
-	f_msg_multi = usb_get_function(fi_msg);
-	if (IS_ERR(f_msg_multi)) {
-		ret = PTR_ERR(f_msg_multi);
-		goto err_fsg;
-	}
-
-	fsg_opts = fsg_opts_from_func_inst(fi_msg);
-	ret = fsg_common_run_thread(fsg_opts->common);
-	if (ret)
-		goto err_run;
-
-	ret = usb_add_function(c, f_msg_multi);
-	if (ret)
-		goto err_run;
-
-	return 0;
-err_run:
-	usb_put_function(f_msg_multi);
-err_fsg:
-	usb_remove_function(c, f_acm_multi);
-err_conf:
-	usb_put_function(f_acm_multi);
-err_func_acm:
-	usb_remove_function(c, f_ecm);
-err_func_ecm:
-	usb_put_function(f_ecm);
-	return ret;
-}
-
-static __ref int cdc_config_register(struct usb_composite_dev *cdev)
-{
-	static struct usb_configuration config = {
-		.bConfigurationValue	= MULTI_CDC_CONFIG_NUM,
-		.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	};
-
-	config.label          = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].s;
-	config.iConfiguration = strings_dev[MULTI_STRING_CDC_CONFIG_IDX].id;
-
-	return usb_add_config(cdev, &config, cdc_do_config);
-}
-
-#else
-
-static __ref int cdc_config_register(struct usb_composite_dev *cdev)
-{
-	return 0;
-}
-
-#endif
-
-
-
-/****************************** Gadget Bind ******************************/
-
-static int __ref multi_bind(struct usb_composite_dev *cdev)
-{
-	struct usb_gadget *gadget = cdev->gadget;
-#ifdef CONFIG_USB_G_MULTI_CDC
-	struct f_ecm_opts *ecm_opts;
-#endif
-#ifdef USB_ETH_RNDIS
-	struct f_rndis_opts *rndis_opts;
-#endif
-	struct fsg_opts *fsg_opts;
-	struct fsg_config config;
-	int status;
-
-	if (!can_support_ecm(cdev->gadget)) {
-		dev_err(&gadget->dev, "controller '%s' not usable\n",
-			gadget->name);
-		return -EINVAL;
-	}
-
-#ifdef CONFIG_USB_G_MULTI_CDC
-	fi_ecm = usb_get_function_instance("ecm");
-	if (IS_ERR(fi_ecm))
-		return PTR_ERR(fi_ecm);
-
-	ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);
-
-	gether_set_qmult(ecm_opts->net, qmult);
-	if (!gether_set_host_addr(ecm_opts->net, host_addr))
-		pr_info("using host ethernet address: %s", host_addr);
-	if (!gether_set_dev_addr(ecm_opts->net, dev_addr))
-		pr_info("using self ethernet address: %s", dev_addr);
-#endif
-
-#ifdef USB_ETH_RNDIS
-	fi_rndis = usb_get_function_instance("rndis");
-	if (IS_ERR(fi_rndis)) {
-		status = PTR_ERR(fi_rndis);
-		goto fail;
-	}
-
-	rndis_opts = container_of(fi_rndis, struct f_rndis_opts, func_inst);
-
-	gether_set_qmult(rndis_opts->net, qmult);
-	if (!gether_set_host_addr(rndis_opts->net, host_addr))
-		pr_info("using host ethernet address: %s", host_addr);
-	if (!gether_set_dev_addr(rndis_opts->net, dev_addr))
-		pr_info("using self ethernet address: %s", dev_addr);
-#endif
-
-#if (defined CONFIG_USB_G_MULTI_CDC && defined USB_ETH_RNDIS)
-	/*
-	 * If both ecm and rndis are selected then:
-	 *	1) rndis borrows the net interface from ecm
-	 *	2) since the interface is shared it must not be bound
-	 *	twice - in ecm's _and_ rndis' binds, so do it here.
-	 */
-	gether_set_gadget(ecm_opts->net, cdev->gadget);
-	status = gether_register_netdev(ecm_opts->net);
-	if (status)
-		goto fail0;
-
-	rndis_borrow_net(fi_rndis, ecm_opts->net);
-	ecm_opts->bound = true;
-#endif
-
-	/* set up serial link layer */
-	fi_acm = usb_get_function_instance("acm");
-	if (IS_ERR(fi_acm)) {
-		status = PTR_ERR(fi_acm);
-		goto fail0;
-	}
-
-	/* set up mass storage function */
-	fi_msg = usb_get_function_instance("mass_storage");
-	if (IS_ERR(fi_msg)) {
-		status = PTR_ERR(fi_msg);
-		goto fail1;
-	}
-	fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers);
-	fsg_opts = fsg_opts_from_func_inst(fi_msg);
-
-	fsg_opts->no_configfs = true;
-	status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);
-	if (status)
-		goto fail2;
-
-	status = fsg_common_set_nluns(fsg_opts->common, config.nluns);
-	if (status)
-		goto fail_set_nluns;
-
-	status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall);
-	if (status)
-		goto fail_set_cdev;
-
-	fsg_common_set_sysfs(fsg_opts->common, true);
-	status = fsg_common_create_luns(fsg_opts->common, &config);
-	if (status)
-		goto fail_set_cdev;
-
-	fsg_common_set_inquiry_string(fsg_opts->common, config.vendor_name,
-				      config.product_name);
-
-	/* allocate string IDs */
-	status = usb_string_ids_tab(cdev, strings_dev);
-	if (unlikely(status < 0))
-		goto fail_string_ids;
-	device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
-
-	/* register configurations */
-	status = rndis_config_register(cdev);
-	if (unlikely(status < 0))
-		goto fail_string_ids;
-
-	status = cdc_config_register(cdev);
-	if (unlikely(status < 0))
-		goto fail_string_ids;
-	usb_composite_overwrite_options(cdev, &coverwrite);
-
-	/* we're done */
-	dev_info(&gadget->dev, DRIVER_DESC "\n");
-	return 0;
-
-
-	/* error recovery */
-fail_string_ids:
-	fsg_common_remove_luns(fsg_opts->common);
-fail_set_cdev:
-	fsg_common_free_luns(fsg_opts->common);
-fail_set_nluns:
-	fsg_common_free_buffers(fsg_opts->common);
-fail2:
-	usb_put_function_instance(fi_msg);
-fail1:
-	usb_put_function_instance(fi_acm);
-fail0:
-#ifdef USB_ETH_RNDIS
-	usb_put_function_instance(fi_rndis);
-fail:
-#endif
-#ifdef CONFIG_USB_G_MULTI_CDC
-	usb_put_function_instance(fi_ecm);
-#endif
-	return status;
-}
-
-static int __exit multi_unbind(struct usb_composite_dev *cdev)
-{
-#ifdef CONFIG_USB_G_MULTI_CDC
-	usb_put_function(f_msg_multi);
-#endif
-#ifdef USB_ETH_RNDIS
-	usb_put_function(f_msg_rndis);
-#endif
-	usb_put_function_instance(fi_msg);
-#ifdef CONFIG_USB_G_MULTI_CDC
-	usb_put_function(f_acm_multi);
-#endif
-#ifdef USB_ETH_RNDIS
-	usb_put_function(f_acm_rndis);
-#endif
-	usb_put_function_instance(fi_acm);
-#ifdef USB_ETH_RNDIS
-	usb_put_function(f_rndis);
-	usb_put_function_instance(fi_rndis);
-#endif
-#ifdef CONFIG_USB_G_MULTI_CDC
-	usb_put_function(f_ecm);
-	usb_put_function_instance(fi_ecm);
-#endif
-	return 0;
-}
-
-
-/****************************** Some noise ******************************/
-
-
-static __refdata struct usb_composite_driver multi_driver = {
-	.name		= "g_multi",
-	.dev		= &device_desc,
-	.strings	= dev_strings,
-	.max_speed	= USB_SPEED_HIGH,
-	.bind		= multi_bind,
-	.unbind		= __exit_p(multi_unbind),
-	.needs_serial	= 1,
-};
-
-module_usb_composite_driver(multi_driver);