diff mbox series

[v5,05/19] remoteproc: Add new RPROC_ATTACHED state

Message ID 20210211234627.2669674-6-mathieu.poirier@linaro.org
State Accepted
Commit 4196d18903f94090f0a223d65de25e3bf50a3d13
Headers show
Series remoteproc: Add support for detaching a remote processor | expand

Commit Message

Mathieu Poirier Feb. 11, 2021, 11:46 p.m. UTC 
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>

---
 drivers/remoteproc/remoteproc_sysfs.c | 1 +
 include/linux/remoteproc.h            | 7 +++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index 1dbef895e65e..4b4aab0d4c4b 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -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",
 };
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index f28ee75d1005..b0a57ff73849 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -405,6 +405,8 @@  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
@@ -421,8 +423,9 @@  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,
 };
 
 /**