cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/rsi/rsi_common.h

/**
 * Copyright (c) 2014 Redpine Signals Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef __RSI_COMMON_H__

#define __RSI_COMMON_H__

#include <linux/kthread.h>


#define EVENT_WAIT_FOREVER              0

#define TA_LOAD_ADDRESS                 0x00

#define FIRMWARE_RSI9113                "rsi_91x.fw"

#define QUEUE_NOT_FULL                  1

#define QUEUE_FULL                      0


static inline int rsi_init_event(struct rsi_event *pevent) { atomic_set(&pevent->event_condition, 1); init_waitqueue_head(&pevent->event_queue); return 0; }

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static inline int rsi_wait_event(struct rsi_event *event, u32 timeout) { int status = 0; if (!timeout) status = wait_event_interruptible(event->event_queue, (atomic_read(&event->event_condition) == 0)); else status = wait_event_interruptible_timeout(event->event_queue, (atomic_read(&event->event_condition) == 0), timeout); return status; }

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static inline void rsi_set_event(struct rsi_event *event) { atomic_set(&event->event_condition, 0); wake_up_interruptible(&event->event_queue); }

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static inline void rsi_reset_event(struct rsi_event *event) { atomic_set(&event->event_condition, 1); }

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static inline int rsi_create_kthread(struct rsi_common *common, struct rsi_thread *thread, void *func_ptr, u8 *name) { init_completion(&thread->completion); thread->task = kthread_run(func_ptr, common, "%s", name); if (IS_ERR(thread->task)) return (int)PTR_ERR(thread->task); return 0; }

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static inline int rsi_kill_thread(struct rsi_thread *handle) { atomic_inc(&handle->thread_done); rsi_set_event(&handle->event); wait_for_completion(&handle->completion); return kthread_stop(handle->task); }

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void rsi_mac80211_detach(struct rsi_hw *hw); u16 rsi_get_connected_channel(struct rsi_hw *adapter); struct rsi_hw *rsi_91x_init(void); void rsi_91x_deinit(struct rsi_hw *adapter); int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len); #endif

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