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Linux/arch/powerpc/include/asm/mpic_timer.h

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  1 /* SPDX-License-Identifier: GPL-2.0-or-later */
  2 /*
  3  * arch/powerpc/include/asm/mpic_timer.h
  4  *
  5  * Header file for Mpic Global Timer
  6  *
  7  * Copyright 2013 Freescale Semiconductor, Inc.
  8  *
  9  * Author: Wang Dongsheng <Dongsheng.Wang@freescale.com>
 10  *         Li Yang <leoli@freescale.com>
 11  */
 12 
 13 #ifndef __MPIC_TIMER__
 14 #define __MPIC_TIMER__
 15 
 16 #include <linux/interrupt.h>
 17 #include <linux/time.h>
 18 
 19 struct mpic_timer {
 20         void                    *dev;
 21         struct cascade_priv     *cascade_handle;
 22         unsigned int            num;
 23         unsigned int            irq;
 24 };
 25 
 26 #ifdef CONFIG_MPIC_TIMER
 27 struct mpic_timer *mpic_request_timer(irq_handler_t fn,  void *dev,
 28                 time64_t time);
 29 void mpic_start_timer(struct mpic_timer *handle);
 30 void mpic_stop_timer(struct mpic_timer *handle);
 31 void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time);
 32 void mpic_free_timer(struct mpic_timer *handle);
 33 #else
 34 struct mpic_timer *mpic_request_timer(irq_handler_t fn,  void *dev,
 35                 time64_t time) { return NULL; }
 36 void mpic_start_timer(struct mpic_timer *handle) { }
 37 void mpic_stop_timer(struct mpic_timer *handle) { }
 38 void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time) { }
 39 void mpic_free_timer(struct mpic_timer *handle) { }
 40 #endif
 41 
 42 #endif
 43 

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