diff mbox series

[v2,2/6] remoteproc: sysmon: Add notifications for events

Message ID 1586389003-26675-3-git-send-email-sidgup@codeaurora.org (mailing list archive)
State New, archived
Headers show
Series remoteproc: qcom: Add callbacks for remoteproc events | expand

Commit Message

Siddharth Gupta April 8, 2020, 11:36 p.m. UTC
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(+)

Comments

Mathieu Poirier April 15, 2020, 5:03 p.m. UTC | #1
On Wed, Apr 08, 2020 at 04:36:39PM -0700, Siddharth Gupta wrote:
> 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>

Acked-by: Mathieu Poirier <mathieu.poirier@linaro.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
Bjorn Andersson April 20, 2020, 7:05 a.m. UTC | #2
On Wed 08 Apr 16:36 PDT 2020, Siddharth Gupta wrote:

> 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>

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

Regards,
Bjorn

> ---
>  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
diff mbox series

Patch

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);