On Mon 01 Jun 10:51 PDT 2020, Mathieu Poirier wrote:
> 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@xxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> ---
> drivers/remoteproc/remoteproc_sysfs.c | 1 +
> include/linux/remoteproc.h | 5 ++++-
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
> index 7f8536b73295..8b462c501465 100644
> --- a/drivers/remoteproc/remoteproc_sysfs.c
> +++ b/drivers/remoteproc/remoteproc_sysfs.c
> @@ -71,6 +71,7 @@ static const char * const rproc_state_string[] = {
> [RPROC_RUNNING] = "running",
> [RPROC_CRASHED] = "crashed",
> [RPROC_DELETED] = "deleted",
> + [RPROC_DETACHED] = "detached",
> [RPROC_LAST] = "invalid",
> };
>
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
> index e7b7bab8b235..21182ad2d059 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -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,
> };
>
> /**
> --
> 2.20.1
>
