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Commit 80bbce9d authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "soc: qcom: wda: Disable powersave work on deinitialization"

parents b0c4b6f2 a3efc800

drivers/soc/qcom/qmi_rmnet.c

+19 −15
Original line number Diff line number Diff line
@@ -737,6 +737,7 @@ EXPORT_SYMBOL(qmi_rmnet_qos_exit); 
#ifdef CONFIG_QCOM_QMI_POWER_COLLAPSE

static struct workqueue_struct  *rmnet_ps_wq;

static struct rmnet_powersave_work *rmnet_work;

static bool rmnet_work_quit;

static LIST_HEAD(ps_list);



struct rmnet_powersave_work {
@@ -819,9 +820,10 @@ EXPORT_SYMBOL(qmi_rmnet_set_powersave_mode); 


static void qmi_rmnet_work_restart(void *port)

{

	if (!rmnet_ps_wq || !rmnet_work)

		return;

	rcu_read_lock();

	if (!rmnet_work_quit)

		queue_delayed_work(rmnet_ps_wq, &rmnet_work->work, NO_DELAY);

	rcu_read_unlock();

}



static void qmi_rmnet_check_stats(struct work_struct *work)
@@ -848,13 +850,9 @@ static void qmi_rmnet_check_stats(struct work_struct *work) 
		qmi->ps_ignore_grant = false;



		/* Register to get QMI DFC and DL marker */

		if (qmi_rmnet_set_powersave_mode(real_work->port, 0) < 0) {

			/* If this failed need to retry quickly */

			queue_delayed_work(rmnet_ps_wq,

					   &real_work->work, HZ / 50);

			return;

		if (qmi_rmnet_set_powersave_mode(real_work->port, 0) < 0)

			goto end;



		}

		qmi->ps_enabled = false;



		/* Do a query when coming out of powersave */
@@ -884,11 +882,9 @@ static void qmi_rmnet_check_stats(struct work_struct *work) 
			goto end;



		/* Deregister to suppress QMI DFC and DL marker */

		if (qmi_rmnet_set_powersave_mode(real_work->port, 1) < 0) {

			queue_delayed_work(rmnet_ps_wq,

					   &real_work->work, PS_INTERVAL);

			return;

		}

		if (qmi_rmnet_set_powersave_mode(real_work->port, 1) < 0)

			goto end;



		qmi->ps_enabled = true;



		/* Ignore grant after going into powersave */
@@ -906,7 +902,10 @@ static void qmi_rmnet_check_stats(struct work_struct *work) 
		return;

	}

end:

	rcu_read_lock();

	if (!rmnet_work_quit)

		queue_delayed_work(rmnet_ps_wq, &real_work->work, PS_INTERVAL);

	rcu_read_unlock();

}



static void qmi_rmnet_work_set_active(void *port, int status)
@@ -942,6 +941,7 @@ void qmi_rmnet_work_init(void *port) 
	rmnet_get_packets(rmnet_work->port, &rmnet_work->old_rx_pkts,

			  &rmnet_work->old_tx_pkts);



	rmnet_work_quit = false;

	qmi_rmnet_work_set_active(rmnet_work->port, 1);

	queue_delayed_work(rmnet_ps_wq, &rmnet_work->work, PS_INTERVAL);

}
@@ -964,6 +964,10 @@ void qmi_rmnet_work_exit(void *port) 
{

	if (!rmnet_ps_wq || !rmnet_work)

		return;



	rmnet_work_quit = true;

	synchronize_rcu();



	cancel_delayed_work_sync(&rmnet_work->work);

	destroy_workqueue(rmnet_ps_wq);

	qmi_rmnet_work_set_active(port, 0);