[v5,1/9] remoteproc: Add new RPROC_DETACHED state
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Message ID 20200707210014.927691-2-mathieu.poirier@linaro.org
State In Next
Commit e2e5c55eed8023ecfbf4c9b623ef7dec343d1845
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Series
  • remoteproc: Add support for attaching with rproc
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Commit Message

Mathieu Poirier July 7, 2020, 9 p.m. UTC
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>
---
 drivers/remoteproc/remoteproc_sysfs.c | 1 +
 include/linux/remoteproc.h            | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index 52b871327b55..264759713934 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -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",
 };
 
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,
 };
 
 /**