Commit e3d21939 authored Jul 14, 2020 by Mathieu Poirier Committed by Bjorn Andersson Jul 16, 2020

remoteproc: Refactor function rproc_trigger_auto_boot()



Refactor function rproc_trigger_auto_boot() to properly deal
with scenarios where the remoteproc core needs to attach with a
remote processor that has already been booted by an external
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/20200714195035.1426873-8-mathieu.poirier@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

parent 0f9dc562

drivers/remoteproc/remoteproc_core.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -1571,6 +1571,15 @@ static int rproc_trigger_auto_boot(struct rproc *rproc)
		{
		int ret;

		/*
		* Since the remote processor is in a detached state, it has already
		* been booted by another entity. As such there is no point in waiting
		* for a firmware image to be loaded, we can simply initiate the process
		* of attaching to it immediately.
		*/
		if (rproc->state == RPROC_DETACHED)
		return rproc_boot(rproc);

		/*
		* We're initiating an asynchronous firmware loading, so we can
		* be built-in kernel code, without hanging the boot process.

Admin message