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remoteproc: Add new RPROC_ATTACHED state 

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@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20210312162453.1234145-4-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Mathieu Poirier 2021-03-12 09:24:39 -07:00 committed by Bjorn Andersson
parent 6a6c4dc0e5
commit 4196d18903
2 changed files with 6 additions and 2 deletions
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1
drivers/remoteproc/remoteproc_sysfs.c
View File

@ -172,6 +172,7 @@ 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",
};

7
include/linux/remoteproc.h
View File

@ -407,6 +407,8 @@ 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
@ -423,8 +425,9 @@ 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,
};
/**