remoteproc: Add new RPROC_DETACHED state (e2e5c55e) · Commits · 戴 / test

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>

drivers/remoteproc/remoteproc_sysfs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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",
		};

include/linux/remoteproc.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -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,
		};

		/**

Admin message