Add a new RPROC_ATTACHED state to take into account scenarios
where the remoteproc core needs to attach to a remote processor
that is booted by another entity.
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
---
drivers/remoteproc/remoteproc_sysfs.c | 1 +
include/linux/remoteproc.h | 7 +++++--
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index d1cf7bf277c4..1167adcf8741 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -201,6 +201,7 @@ static const char * const rproc_state_string[] = {
[RPROC_RUNNING] = "running",
[RPROC_CRASHED] = "crashed",
[RPROC_DELETED] = "deleted",
+ [RPROC_ATTACHED] = "attached",
[RPROC_DETACHED] = "detached",
[RPROC_LAST] = "invalid",
};
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 571615e77e6f..f02958a6c001 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -406,6 +406,8 @@ struct rproc_ops {
* @RPROC_RUNNING: device is up and running
* @RPROC_CRASHED: device has crashed; need to start recovery
* @RPROC_DELETED: device is deleted
+ * @RPROC_ATTACHED: device has been booted by another entity and the core
+ * has attached to it
* @RPROC_DETACHED: device has been booted by another entity and waiting
* for the core to attach to it
* @RPROC_LAST: just keep this one at the end
@@ -422,8 +424,9 @@ enum rproc_state {
RPROC_RUNNING = 2,
RPROC_CRASHED = 3,
RPROC_DELETED = 4,
- RPROC_DETACHED = 5,
- RPROC_LAST = 6,
+ RPROC_ATTACHED = 5,
+ RPROC_DETACHED = 6,
+ RPROC_LAST = 7,
};
/**
--
2.25.1
