include/bootretry.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __bootretry_h
   9 #define __bootretry_h
  10
  11 #ifdef CONFIG_BOOT_RETRY_TIME
  12 /**
  13  * bootretry_tstc_timeout() - ensure we get a keypress before timeout
  14  *
  15  * Check for a keypress repeatedly, resetting the watchdog each time. If a
  16  * keypress is not received within the command timeout, return an error.
  17  *
  18  * @return 0 if a key is received in time, -ETIMEDOUT if not
  19  */
  20 int bootretry_tstc_timeout(void);
  21 #else
  22 static inline int bootretry_tstc_timeout(void)
  23 {
  24         return 0;
  25 }
  26 #endif
  27
  28 void init_cmd_timeout(void);
  29 void reset_cmd_timeout(void);
  30
  31 #endif