diff options
Diffstat (limited to 'env')
| -rw-r--r-- | env/Kconfig | 9 | ||||
| -rw-r--r-- | env/env.c | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/env/Kconfig b/env/Kconfig index dcc525d4ed..1cae1edf6a 100644 --- a/env/Kconfig +++ b/env/Kconfig @@ -614,6 +614,15 @@ config DELAY_ENVIRONMENT later by U-Boot code. With CONFIG_OF_CONTROL this is instead controlled by the value of /config/load-environment. +config ENV_APPEND + bool "Always append the environment with new data" + default n + help + If defined, the environment hash table is only ever appended with new + data, but the existing hash table can never be dropped and reloaded + with newly imported data. This may be used in combination with static + flags to e.g. to protect variables which must not be modified. + config ENV_ACCESS_IGNORE_FORCE bool "Block forced environment operations" default n @@ -201,7 +201,9 @@ int env_load(void) printf("OK\n"); gd->env_load_prio = prio; +#if !CONFIG_IS_ENABLED(ENV_APPEND) return 0; +#endif } else if (ret == -ENOMSG) { /* Handle "bad CRC" case */ if (best_prio == -1) |