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| author | Heiko Schocher <hs@denx.de> | 2009-04-28 08:36:11 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-05-15 21:19:02 +0200 |
| commit | da95427ce431908714ae5e9f663ee6e2bc3bcc33 (patch) | |
| tree | 92075e2d30363b08b7ca4282db4696a1675aa37b /common/cmd_nvedit.c | |
| parent | 3c1d89545de11822f8b5afb5646a57757620bd95 (diff) | |
| download | u-boot-imx-da95427ce431908714ae5e9f663ee6e2bc3bcc33.zip u-boot-imx-da95427ce431908714ae5e9f663ee6e2bc3bcc33.tar.gz u-boot-imx-da95427ce431908714ae5e9f663ee6e2bc3bcc33.tar.bz2 | |
netloop: updates for NetLoop
Fix some issues introduced from commit:
2f70c49e5b9813635ad73666aa30f304c7fdeda9
suggested by Mike Frysinger.
- added some comment for the env_id variable in common_cmd_nvedit.c
- moved some variables in fn scope instead of file scope
- NetInitLoop now static void
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Ben Warren <biggerbadderben@gmail.com>
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) |