1  /* { dg-do compile } */
       2  /* { dg-options "-Os -mlock -mswape -fno-reorder-blocks" } */
       3  
       4  /* This caused an ICE in arc_ifcvt when the 1->3 state change was not
       5     implemented for TYPE_UNCOND_BRANCH in arc_ccfsm_post_advance.  */
       6  
       7  typedef long __kernel_long_t;
       8  typedef __kernel_long_t __kernel_time_t;
       9  
      10  struct timespec {
      11   __kernel_time_t tv_sec;
      12   long tv_nsec;
      13  };
      14  
      15  
      16  struct module;
      17  struct device {
      18   struct device *parent;
      19  };
      20  
      21  struct rtc_time {
      22   int tm_sec;
      23   int tm_min;
      24   int tm_hour;
      25   int tm_mday;
      26   int tm_mon;
      27   int tm_year;
      28   int tm_wday;
      29   int tm_yday;
      30   int tm_isdst;
      31  };
      32  struct rtc_wkalrm {
      33   unsigned char enabled;
      34   unsigned char pending;
      35   struct rtc_time time;
      36  };
      37  
      38  struct rtc_class_ops {
      39   int (*open)(struct device *);
      40   void (*release)(struct device *);
      41   int (*ioctl)(struct device *, unsigned int, unsigned long);
      42   int (*read_time)(struct device *, struct rtc_time *);
      43   int (*set_time)(struct device *, struct rtc_time *);
      44   int (*read_alarm)(struct device *, struct rtc_wkalrm *);
      45   int (*set_alarm)(struct device *, struct rtc_wkalrm *);
      46    //int (*proc)(struct device *, struct seq_file *);
      47   int (*set_mmss)(struct device *, unsigned long secs);
      48   int (*read_callback)(struct device *, int data);
      49   int (*alarm_irq_enable)(struct device *, unsigned int enabled);
      50  };
      51  
      52  struct rtc_device
      53  {
      54   struct device dev;
      55   struct module *owner;
      56  
      57   int id;
      58   char name[20];
      59  
      60   const struct rtc_class_ops *ops;
      61    // struct mutex ops_lock;
      62  
      63    // struct cdev char_dev;
      64   unsigned long flags;
      65  
      66   unsigned long irq_data;
      67    //spinlock_t irq_lock;
      68    //wait_queue_head_t irq_queue;
      69    //struct fasync_struct *async_queue;
      70  
      71    //struct rtc_task *irq_task;
      72    //spinlock_t irq_task_lock;
      73   int irq_freq;
      74   int max_user_freq;
      75  
      76    //struct timerqueue_head timerqueue;
      77    //struct rtc_timer aie_timer;
      78    //struct rtc_timer uie_rtctimer;
      79    //struct hrtimer pie_timer;
      80   int pie_enabled;
      81    //struct work_struct irqwork;
      82  
      83   int uie_unsupported;
      84  
      85  
      86    //struct work_struct uie_task;
      87    //struct timer_list uie_timer;
      88  
      89   unsigned int oldsecs;
      90   unsigned int uie_irq_active:1;
      91   unsigned int stop_uie_polling:1;
      92   unsigned int uie_task_active:1;
      93   unsigned int uie_timer_active:1;
      94  
      95  };
      96  
      97  extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm);
      98  extern struct rtc_device *rtc_class_open(const char *name);
      99  extern void rtc_class_close(struct rtc_device *rtc);
     100  extern int rtc_set_time (struct rtc_device *rtc, struct rtc_time *tm);
     101  
     102  int rtc_set_ntp_time(struct timespec now)
     103  {
     104   struct rtc_device *rtc;
     105   struct rtc_time tm;
     106   int err = -19;
     107  
     108   if (now.tv_nsec < (1000000000L >> 1))
     109    rtc_time_to_tm(now.tv_sec, &tm);
     110   else
     111    rtc_time_to_tm(now.tv_sec + 1, &tm);
     112  
     113   rtc = rtc_class_open("rtc0");
     114   if (rtc) {
     115  
     116  
     117    if (rtc->ops && (rtc->ops->set_time || rtc->ops->set_mmss))
     118     err = rtc_set_time(rtc, &tm);
     119    rtc_class_close(rtc);
     120   }
     121  
     122   return err;
     123  }