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diff --git a/nuttx/sched/clock_ticks2time.c b/nuttx/sched/clock_ticks2time.c
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-/********************************************************************************
- * clock_ticks2time.c
- *
- * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ********************************************************************************/
-
-/********************************************************************************
- * Included Files
- ********************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <time.h>
-#include "clock_internal.h"
-
-/********************************************************************************
- * Definitions
- ********************************************************************************/
-
-/********************************************************************************
- * Private Type Declarations
- ********************************************************************************/
-
-/********************************************************************************
- * Global Variables
- ********************************************************************************/
-
-/********************************************************************************
- * Private Variables
- ********************************************************************************/
-
-/********************************************************************************
- * Private Functions
- ********************************************************************************/
-
-/********************************************************************************
- * Public Functions
- ********************************************************************************/
-
-/********************************************************************************
- * Name: clock_ticks2time
- *
- * Description:
- * Convert the system time tick value to a relative time.
- *
- * Parameters:
- * ticks - The number of system time ticks to convert.
- * reltime - Return the converted system time here.
- *
- * Return Value:
- * Always returns OK
- *
- * Assumptions:
- *
- ********************************************************************************/
-
-int clock_ticks2time(int ticks, FAR struct timespec *reltime)
-{
- int remainder;
-
- reltime->tv_sec = ticks / TICK_PER_SEC;
- remainder = ticks - TICK_PER_SEC * reltime->tv_sec;
- reltime->tv_nsec = remainder * NSEC_PER_TICK;
- return OK;
-}