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
  10 void bootcount_store(ulong a)
  11 {
  12         int upgrade_available = getenv_ulong("upgrade_available", 10, 0);
  13
  14         if (upgrade_available) {
  15                 setenv_ulong("bootcount", a);
  16                 saveenv();
  17         }
  18 }
  19
  20 ulong bootcount_load(void)
  21 {
  22         int upgrade_available = getenv_ulong("upgrade_available", 10, 0);
  23         ulong val = 0;
  24
  25         if (upgrade_available)
  26                 val = getenv_ulong("bootcount", 10, 0);
  27
  28         return val;
  29 }