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env: Add an enum for environment state

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At present we have three states for the environment, numbered 0, 1 and 2.
Add an enum to record this to avoid open-coded values.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Simon Glass
2017-08-03 12:21:56 -06:00
committed by Tom Rini
parent 75de597d2d
commit 203e94f6c9
28 changed files with 104 additions and 83 deletions
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10
env/mmc.c vendored
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@@ -86,7 +86,7 @@ int env_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 1;
gd->env_valid = ENV_VALID;
return 0;
}
@@ -180,7 +180,7 @@ int saveenv(void)
goto fini;
#ifdef CONFIG_ENV_OFFSET_REDUND
if (gd->env_valid == 1)
if (gd->env_valid == ENV_VALID)
copy = 1;
#endif
@@ -200,7 +200,7 @@ int saveenv(void)
ret = 0;
#ifdef CONFIG_ENV_OFFSET_REDUND
gd->env_valid = gd->env_valid == 2 ? 1 : 2;
gd->env_valid = gd->env_valid == ENV_REDUND ? ENV_VALID : ENV_REDUND;
#endif
fini:
@@ -265,10 +265,10 @@ void env_relocate_spec(void)
ret = 1;
goto fini;
} else if (!read1_fail && read2_fail) {
gd->env_valid = 1;
gd->env_valid = ENV_VALID;
env_import((char *)tmp_env1, 1);
} else if (read1_fail && !read2_fail) {
gd->env_valid = 2;
gd->env_valid = ENV_REDUND;
env_import((char *)tmp_env2, 1);
} else {
env_import_redund((char *)tmp_env1, (char *)tmp_env2);