From: Siddharth Gupta <sidgup@codeaurora.org>
To: agross@kernel.org, bjorn.andersson@linaro.org, ohad@wizery.com
Cc: Siddharth Gupta <sidgup@codeaurora.org>,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, tsoni@codeaurora.org,
psodagud@codeaurora.org, rishabhb@codeaurora.org
Subject: [PATCH v2 2/6] remoteproc: sysmon: Add notifications for events
Date: Wed, 8 Apr 2020 16:36:39 -0700 [thread overview]
Message-ID: <1586389003-26675-3-git-send-email-sidgup@codeaurora.org> (raw)
Message-ID: <20200408233639.-YAi9ckvCFksqa-WCjMkPW4bZn4VfA_7Ra-VCarZw24@z> (raw)
In-Reply-To: <1586389003-26675-1-git-send-email-sidgup@codeaurora.org>
Add notification for other stages of remoteproc boot and shutdown. This
includes adding callback functions for the prepare and unprepare events,
and fleshing out the callback function for start.
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
---
drivers/remoteproc/qcom_sysmon.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c
index 1366050..851664e 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);
--
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-04-08 23:37 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 23:36 [PATCH v2 0/6] remoteproc: qcom: Add callbacks for remoteproc events Siddharth Gupta
2020-04-08 23:36 ` Siddharth Gupta
2020-04-08 23:36 ` [PATCH v2 1/6] remoteproc: sysmon: Add ability to send type of notification Siddharth Gupta
2020-04-15 17:03 ` Mathieu Poirier
2020-04-15 17:03 ` Mathieu Poirier
2020-04-20 7:05 ` Bjorn Andersson
2020-04-20 7:05 ` Bjorn Andersson
2020-04-08 23:36 ` Siddharth Gupta [this message]
2020-04-08 23:36 ` [PATCH v2 2/6] remoteproc: sysmon: Add notifications for events Siddharth Gupta
2020-04-15 17:03 ` Mathieu Poirier
2020-04-15 17:03 ` Mathieu Poirier
2020-04-20 7:05 ` Bjorn Andersson
2020-04-20 7:05 ` Bjorn Andersson
2020-04-08 23:36 ` [PATCH v2 3/6] remoteproc: sysmon: Inform current rproc about all active rprocs Siddharth Gupta
2020-04-08 23:36 ` Siddharth Gupta
2020-04-15 17:16 ` Mathieu Poirier
2020-04-15 17:16 ` Mathieu Poirier
2020-04-20 7:09 ` Bjorn Andersson
2020-04-20 7:09 ` Bjorn Andersson
2020-04-08 23:36 ` [PATCH v2 4/6] remoteproc: qcom: Add name field for every subdevice Siddharth Gupta
2020-04-08 23:36 ` Siddharth Gupta
2020-04-15 18:11 ` Mathieu Poirier
2020-04-15 18:11 ` Mathieu Poirier
2020-04-23 0:54 ` Bjorn Andersson
2020-04-23 0:54 ` Bjorn Andersson
2020-04-08 23:36 ` [PATCH v2 5/6] remoteproc: qcom: Add per subsystem SSR notification Siddharth Gupta
2020-04-08 23:36 ` Siddharth Gupta
2020-04-15 18:07 ` Mathieu Poirier
2020-04-15 18:07 ` Mathieu Poirier
2020-04-23 0:53 ` Bjorn Andersson
2020-04-23 0:53 ` Bjorn Andersson
2020-04-08 23:36 ` [PATCH v2 6/6] remoteproc: qcom: Add notification types to SSR Siddharth Gupta
2020-04-08 23:36 ` Siddharth Gupta
2020-04-15 18:10 ` Mathieu Poirier
2020-04-15 18:10 ` Mathieu Poirier
2020-04-23 0:58 ` Bjorn Andersson
2020-04-23 0:58 ` Bjorn Andersson
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