diff options
Diffstat (limited to 'common/cmd_nvedit.c')
| -rw-r--r-- | common/cmd_nvedit.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 163765a..3ee971a 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -77,6 +77,13 @@ SPI_FLASH|MG_DISK|NVRAM|NOWHERE} static const unsigned long baudrate_table[] = CONFIG_SYS_BAUDRATE_TABLE; #define N_BAUDRATES (sizeof(baudrate_table) / sizeof(baudrate_table[0])) +/* + * This variable is incremented on each do_setenv (), so it can + * be used via get_env_id() as an indication, if the environment + * has changed or not. So it is possible to reread an environment + * variable only if the environment was changed ... done so for + * example in NetInitLoop() + */ static int env_id = 1; int get_env_id (void) |