diff options
author | Simon Glass <sjg@chromium.org> | 2017-08-03 12:21:56 -0600 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2017-08-15 08:18:51 -0400 |
commit | 203e94f6c9ca03e260175ce240f5856507395585 (patch) | |
tree | 1b13b0ff87c4117e18e6ee7db97e09c541724b69 /include | |
parent | 75de597d2d91b1102584d4b641daf592d894207e (diff) | |
download | u-boot-203e94f6c9ca03e260175ce240f5856507395585.tar.gz |
env: Add an enum for environment state
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/global_data.h | 2 | ||||
-rw-r--r-- | include/environment.h | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index 86bf6565f6..8b32d514c3 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -49,7 +49,7 @@ typedef struct global_data { unsigned long precon_buf_idx; /* Pre-Console buffer index */ #endif unsigned long env_addr; /* Address of Environment struct */ - unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long env_valid; /* Environment valid? enum env_valid */ unsigned long ram_top; /* Top address of RAM used by U-Boot */ unsigned long relocaddr; /* Start address of U-Boot in RAM */ diff --git a/include/environment.h b/include/environment.h index 5f2064bf23..ad2331c90b 100644 --- a/include/environment.h +++ b/include/environment.h @@ -197,6 +197,13 @@ extern uint mmc_get_env_part(struct mmc *mmc); #include <env_flags.h> #include <search.h> +/* Value for environment validity */ +enum env_valid { + ENV_INVALID, /* No valid environment */ + ENV_VALID, /* First or only environment is valid */ + ENV_REDUND, /* Redundant environment is valid */ +}; + extern struct hsearch_data env_htab; /* Function that returns a character from the environment */ |