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reset_source: add reset_source_get 

To get reset_source from C code, not only from shell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-01-24 15:17:32 +01:00
parent 0099a887c0
commit 706cef7e5b
2 changed files with 16 additions and 0 deletions
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10
common/reset_source.c
View File

@ -27,8 +27,18 @@ static const char * const reset_src_names[] = {
[RESET_JTAG] = "JTAG", [RESET_JTAG] = "JTAG",
}; };
static enum reset_src_type reset_source;
enum reset_src_type reset_source_get(void)
{
return reset_source;
}
EXPORT_SYMBOL(reset_source_get);
void reset_source_set(enum reset_src_type st) void reset_source_set(enum reset_src_type st)
{ {
reset_source = st;
setenv("global.system.reset", reset_src_names[st]); setenv("global.system.reset", reset_src_names[st]);
} }
EXPORT_SYMBOL(reset_source_set); EXPORT_SYMBOL(reset_source_set);

6
include/reset_source.h
View File

@ -24,10 +24,16 @@ enum reset_src_type {
#ifdef CONFIG_RESET_SOURCE #ifdef CONFIG_RESET_SOURCE
void reset_source_set(enum reset_src_type); void reset_source_set(enum reset_src_type);
enum reset_src_type reset_source_get(void);
#else #else
static inline void reset_source_set(enum reset_src_type unused) static inline void reset_source_set(enum reset_src_type unused)
{ {
} }
static inline enum reset_src_type reset_source_get(void)
{
return RESET_UKWN;
}
#endif #endif
#endif /* __INCLUDE_RESET_SOURCE_H */ #endif /* __INCLUDE_RESET_SOURCE_H */