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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-05-04 12:01:05 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-02-06 08:46:11 +0100 |
| commit | 6a77d1cfb6596ed0a269ab52028f7e4bb22c99e2 (patch) | |
| tree | b304e7e6ac97c4aa51e7c59d2ee01b97eba07e00 /common/state | |
| parent | 6d3e10c67822816d3ff2021dcfba5e7a83906586 (diff) | |
| download | barebox-6a77d1cfb6596ed0a269ab52028f7e4bb22c99e2.tar.gz barebox-6a77d1cfb6596ed0a269ab52028f7e4bb22c99e2.tar.xz | |
state: Add 'init_from_defaults' parameter
The init_from_defaults parameter allows to detect if a state has been
initialized from default values, i.e. state_load failed.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/state')
| -rw-r--r-- | common/state/state.c | 7 | ||||
| -rw-r--r-- | common/state/state.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/common/state/state.c b/common/state/state.c index 5a1a1af856..cb979328c1 100644 --- a/common/state/state.c +++ b/common/state/state.c @@ -99,6 +99,7 @@ static int state_do_load(struct state *state, enum state_flags flags) goto out; } + state->init_from_defaults = 0; state->dirty = 0; out: @@ -179,10 +180,14 @@ static struct state *state_new(const char *name) state->dirty = 1; dev_add_param_bool(&state->dev, "dirty", state_set_deny, NULL, &state->dirty, NULL); + state->save_on_shutdown = 1; dev_add_param_bool(&state->dev, "save_on_shutdown", NULL, NULL, &state->save_on_shutdown, NULL); + dev_add_param_bool(&state->dev, "init_from_defaults", state_set_deny, NULL, + &state->init_from_defaults, NULL); + list_add_tail(&state->list, &state_list); return state; @@ -643,6 +648,8 @@ struct state *state_new_from_node(struct device_node *node, char *path, goto out_release_state; } + state->init_from_defaults = 1; + ret = of_register_fixup(of_state_fixup, state); if (ret) { goto out_release_state; diff --git a/common/state/state.h b/common/state/state.h index fcc6b9f5cd..da1c6acaeb 100644 --- a/common/state/state.h +++ b/common/state/state.h @@ -107,7 +107,9 @@ struct state { uint32_t magic; struct list_head variables; /* Sorted list of variables */ + unsigned int dirty; + unsigned int init_from_defaults; unsigned int save_on_shutdown; struct state_backend_format *format; |