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5fd54ace47
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses. Update the drivers/usb/ and include/linux/usb* files with the correct SPDX license identifier based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* u_tcm.h
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*
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* Utility definitions for the tcm function
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*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef U_TCM_H
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#define U_TCM_H
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#include <linux/usb/composite.h>
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/**
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* @dependent: optional dependent module. Meant for legacy gadget.
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* If non-null its refcount will be increased when a tpg is created and
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* decreased when tpg is dropped.
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* @dep_lock: lock for dependent module operations.
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* @ready: true if the dependent module information is set.
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* @can_attach: true a function can be bound to gadget
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* @has_dep: true if there is a dependent module
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*
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*/
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struct f_tcm_opts {
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struct usb_function_instance func_inst;
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struct module *dependent;
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struct mutex dep_lock;
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bool ready;
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bool can_attach;
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bool has_dep;
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/*
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* Callbacks to be removed when legacy tcm gadget disappears.
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*
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* If you use the new function registration interface
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* programmatically, you MUST set these callbacks to
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* something sensible (e.g. probe/remove the composite).
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*/
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int (*tcm_register_callback)(struct usb_function_instance *);
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void (*tcm_unregister_callback)(struct usb_function_instance *);
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};
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#endif /* U_TCM_H */
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