drivers/bootcount/bootcount_env.c

   1 /*
   2  * (C) Copyright 2013
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <environment.h>
  10
  11 void bootcount_store(ulong a)
  12 {
  13         int upgrade_available = env_get_ulong("upgrade_available", 10, 0);
  14
  15         if (upgrade_available) {
  16                 env_set_ulong("bootcount", a);
  17                 env_save();
  18         }
  19 }
  20
  21 ulong bootcount_load(void)
  22 {
  23         int upgrade_available = env_get_ulong("upgrade_available", 10, 0);
  24         ulong val = 0;
  25
  26         if (upgrade_available)
  27                 val = env_get_ulong("bootcount", 10, 0);
  28
  29         return val;
  30 }