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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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2
include/asm-generic/global_data.h
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@ -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 */