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remoteproc: Add new RPROC_DETACHED state

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Add a new RPROC_DETACHED 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: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-2-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Mathieu Poirier 2020-07-14 13:50:27 -06:00 committed by Bjorn Andersson
parent 4e6751a1cf
commit e2e5c55eed
2 changed files with 5 additions and 1 deletions
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1
drivers/remoteproc/remoteproc_sysfs.c
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@ -72,6 +72,7 @@ static const char * const rproc_state_string[] = {
[RPROC_RUNNING] = "running",
[RPROC_CRASHED] = "crashed",
[RPROC_DELETED] = "deleted",
[RPROC_DETACHED] = "detached",
[RPROC_LAST] = "invalid",
};

5
include/linux/remoteproc.h
View File

@ -400,6 +400,8 @@ 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_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
*
* Please note that the values of these states are used as indices
@ -414,7 +416,8 @@ enum rproc_state {
RPROC_RUNNING = 2,
RPROC_CRASHED = 3,
RPROC_DELETED = 4,
RPROC_LAST = 5,
RPROC_DETACHED = 5,
RPROC_LAST = 6,
};
/**