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authorHeiko Schocher <hs@denx.de>2009-04-28 08:36:11 +0200
committerWolfgang Denk <wd@denx.de>2009-05-15 21:19:02 +0200
commitda95427ce431908714ae5e9f663ee6e2bc3bcc33 (patch)
tree92075e2d30363b08b7ca4282db4696a1675aa37b /common/cmd_nvedit.c
parent3c1d89545de11822f8b5afb5646a57757620bd95 (diff)
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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.c7
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)