logging: log_cmds: init uninitialized backend on `log_go()`
For backends that do not autostart themselves, initialize
& enable them on `log backend <log_backend_*> go`, so
that they function properly.
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
(cherry picked from commit f840a35be3438abdc18619c1f0609e7d7f98b20c)
diff --git a/include/zephyr/logging/log_backend.h b/include/zephyr/logging/log_backend.h
index e772ad2..c68d210 100644
--- a/include/zephyr/logging/log_backend.h
+++ b/include/zephyr/logging/log_backend.h
@@ -83,6 +83,7 @@
void *ctx;
uint8_t id;
bool active;
+ bool initialized;
/* Initialization level. */
uint8_t level;
@@ -140,6 +141,7 @@
if (backend->api->init) {
backend->api->init(backend);
}
+ backend->cb->initialized = true;
}
/**
diff --git a/subsys/logging/log_cmds.c b/subsys/logging/log_cmds.c
index 79e4457..fc44f4b 100644
--- a/subsys/logging/log_cmds.c
+++ b/subsys/logging/log_cmds.c
@@ -342,7 +342,19 @@
char **argv)
{
if (backend || !IS_ENABLED(CONFIG_LOG_FRONTEND)) {
- log_backend_activate(backend, backend->cb->ctx);
+ if (!backend->cb->initialized) {
+ log_backend_init(backend);
+ while (log_backend_is_ready(backend) != 0) {
+ if (IS_ENABLED(CONFIG_MULTITHREADING)) {
+ k_msleep(10);
+ }
+ }
+ if (log_backend_is_ready(backend) == 0) {
+ log_backend_enable(backend, backend->cb->ctx, CONFIG_LOG_MAX_LEVEL);
+ }
+ } else {
+ log_backend_activate(backend, backend->cb->ctx);
+ }
return 0;
}
