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-rw-r--r--drivers/remoteproc/qcom_sysmon.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c
index 13660506b9b0..851664e1aabe 100644
--- a/drivers/remoteproc/qcom_sysmon.c
+++ b/drivers/remoteproc/qcom_sysmon.c
@@ -439,8 +439,31 @@ static const struct qmi_ops ssctl_ops = {
.del_server = ssctl_del_server,
};
+static int sysmon_prepare(struct rproc_subdev *subdev)
+{
+ struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon,
+ subdev);
+ struct sysmon_event event = {
+ .subsys_name = sysmon->name,
+ .ssr_event = SSCTL_SSR_EVENT_BEFORE_POWERUP
+ };
+
+ blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+
+ return 0;
+}
+
static int sysmon_start(struct rproc_subdev *subdev)
{
+ struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon,
+ subdev);
+ struct sysmon_event event = {
+ .subsys_name = sysmon->name,
+ .ssr_event = SSCTL_SSR_EVENT_AFTER_POWERUP
+ };
+
+ blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+
return 0;
}
@@ -464,6 +487,18 @@ static void sysmon_stop(struct rproc_subdev *subdev, bool crashed)
sysmon_request_shutdown(sysmon);
}
+static void sysmon_unprepare(struct rproc_subdev *subdev)
+{
+ struct qcom_sysmon *sysmon = container_of(subdev, struct qcom_sysmon,
+ subdev);
+ struct sysmon_event event = {
+ .subsys_name = sysmon->name,
+ .ssr_event = SSCTL_SSR_EVENT_AFTER_SHUTDOWN
+ };
+
+ blocking_notifier_call_chain(&sysmon_notifiers, 0, (void *)&event);
+}
+
/**
* sysmon_notify() - notify sysmon target of another's SSR
* @nb: notifier_block associated with sysmon instance
@@ -563,8 +598,10 @@ struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc,
qmi_add_lookup(&sysmon->qmi, 43, 0, 0);
+ sysmon->subdev.prepare = sysmon_prepare;
sysmon->subdev.start = sysmon_start;
sysmon->subdev.stop = sysmon_stop;
+ sysmon->subdev.unprepare = sysmon_unprepare;
rproc_add_subdev(rproc, &sysmon->subdev);