LXR uboot/drivers/bootcount/bootcount

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