include/trace/events/gpio.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM gpio
   4
   5 #ifndef CONFIG_TRACING_EVENTS_GPIO
   6 #define NOTRACE
   7 #endif
   8
   9 #if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
  10 #define _TRACE_GPIO_H
  11
  12 #include <linux/tracepoint.h>
  13
  14 TRACE_EVENT(gpio_direction,
  15
  16         TP_PROTO(unsigned gpio, int in, int err),
  17
  18         TP_ARGS(gpio, in, err),
  19
  20         TP_STRUCT__entry(
  21                 __field(unsigned, gpio)
  22                 __field(int, in)
  23                 __field(int, err)
  24         ),
  25
  26         TP_fast_assign(
  27                 __entry->gpio = gpio;
  28                 __entry->in = in;
  29                 __entry->err = err;
  30         ),
  31
  32         TP_printk("%u %3s (%d)", __entry->gpio,
  33                 __entry->in ? "in" : "out", __entry->err)
  34 );
  35
  36 TRACE_EVENT(gpio_value,
  37
  38         TP_PROTO(unsigned gpio, int get, int value),
  39
  40         TP_ARGS(gpio, get, value),
  41
  42         TP_STRUCT__entry(
  43                 __field(unsigned, gpio)
  44                 __field(int, get)
  45                 __field(int, value)
  46         ),
  47
  48         TP_fast_assign(
  49                 __entry->gpio = gpio;
  50                 __entry->get = get;
  51                 __entry->value = value;
  52         ),
  53
  54         TP_printk("%u %3s %d", __entry->gpio,
  55                 __entry->get ? "get" : "set", __entry->value)
  56 );
  57
  58 #endif /* if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ) */
  59
  60 /* This part must be outside protection */
  61 #include <trace/define_trace.h>