This patch introduces the capability to detach a remote processor
that has been attached to by the remoteproc core. For that to happen
a rproc::ops::detach() operation needs to be available.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20210312162453.1234145-17-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
return -EINVAL;
rproc_shutdown(rproc);
+ } else if (!strncmp(cmd, "detach", len)) {
+ if (rproc->state != RPROC_ATTACHED)
+ return -EINVAL;
+
+ ret = rproc_detach(rproc);
} else {
dev_err(&rproc->dev, "Unrecognized option\n");
ret = -EINVAL;
return -EINVAL;
rproc_shutdown(rproc);
+ } else if (sysfs_streq(buf, "detach")) {
+ if (rproc->state != RPROC_ATTACHED)
+ return -EINVAL;
+
+ ret = rproc_detach(rproc);
} else {
dev_err(&rproc->dev, "Unrecognised option: %s\n", buf);
ret = -EINVAL;