Merge "msm: subsystem_restart: Send sysmon event notifications on powerup" (8945a238) · Commits · e / devices / android_kernel_sony_msm8994

drivers/soc/qcom/subsystem_restart.c

+20 −0

Original line number	Diff line number	Diff line
		@@ -146,6 +146,7 @@ struct restart_log {
		* @do_ramdump_on_put: ramdump on subsystem_put() if true
		* @err_ready: completion variable to record error ready from subsystem
		* @crashed: indicates if subsystem has crashed
		* @notif_state: current state of subsystem in terms of subsys notifications
		*/
		struct subsys_device {
		struct subsys_desc *desc;
		@@ -171,6 +172,7 @@ struct subsys_device {
		dev_t dev_no;
		struct completion err_ready;
		bool crashed;
		int notif_state;
		struct list_head list;
		};

		@@ -376,6 +378,18 @@ out:
		mutex_unlock(&restart_log_mutex);
		}

		static void send_sysmon_notif(struct subsys_device *dev)
		{
		struct subsys_device *subsys;

		mutex_lock(&subsys_list_lock);
		list_for_each_entry(subsys, &subsys_list, list)
		if ((subsys->notif_state > 0) && (subsys != dev))
		sysmon_send_event(dev->desc->name, subsys->desc->name,
		subsys->notif_state);
		mutex_unlock(&subsys_list_lock);
		}

		static void for_each_subsys_device(struct subsys_device **list, unsigned count,
		void data, void (fn)(struct subsys_device , void ))
		{
		@@ -403,6 +417,8 @@ static void notify_each_subsys_device(struct subsys_device **list,

		pdev = container_of(dev->desc->dev, struct platform_device,
		dev);
		dev->notif_state = notif;

		mutex_lock(&subsys_list_lock);
		list_for_each_entry(subsys, &subsys_list, list)
		if (dev != subsys)
		@@ -411,6 +427,9 @@ static void notify_each_subsys_device(struct subsys_device **list,
		notif);
		mutex_unlock(&subsys_list_lock);

		if (notif == SUBSYS_AFTER_POWERUP)
		send_sysmon_notif(dev);

		notif_data.crashed = subsys_get_crash_status(dev);
		notif_data.enable_ramdump = enable_ramdumps;
		notif_data.no_auth = dev->desc->no_auth;
		@@ -1358,6 +1377,7 @@ struct subsys_device subsys_register(struct subsys_desc desc)
		subsys->dev.parent = desc->dev;
		subsys->dev.bus = &subsys_bus_type;
		subsys->dev.release = subsys_device_release;
		subsys->notif_state = -1;

		subsys->notify = subsys_notif_add_subsys(desc->name);