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Commit a74a84f6 authored by Johan Hedberg's avatar Johan Hedberg Committed by Marcel Holtmann
Browse files

Bluetooth: Convert idle timer to use delayed work 



There is no need to use a timer since the entire Bluetooth subsystem
runs using workqueues these days.

Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 7bc18d9d

include/net/bluetooth/hci_core.h

+2 −2
Original line number Diff line number Diff line
@@ -342,7 +342,7 @@ struct hci_conn { 


	struct delayed_work disc_work;

	struct delayed_work auto_accept_work;

	struct timer_list idle_timer;

	struct delayed_work idle_work;



	struct device	dev;
@@ -651,7 +651,7 @@ static inline void hci_conn_drop(struct hci_conn *conn) 
		switch (conn->type) {

		case ACL_LINK:

		case LE_LINK:

			del_timer(&conn->idle_timer);

			cancel_delayed_work(&conn->idle_work);

			if (conn->state == BT_CONNECTED) {

				timeo = conn->disc_timeout;

				if (!conn->out)

net/bluetooth/hci_conn.c

+7 −15
Original line number Diff line number Diff line
@@ -317,8 +317,10 @@ static void hci_conn_timeout(struct work_struct *work) 
}



/* Enter sniff mode */

static void hci_conn_enter_sniff_mode(struct hci_conn *conn)

static void hci_conn_idle(struct work_struct *work)

{

	struct hci_conn *conn = container_of(work, struct hci_conn,

					     idle_work.work);

	struct hci_dev *hdev = conn->hdev;



	BT_DBG("hcon %p mode %d", conn, conn->mode);
@@ -352,15 +354,6 @@ static void hci_conn_enter_sniff_mode(struct hci_conn *conn) 
	}

}



static void hci_conn_idle(unsigned long arg)

{

	struct hci_conn *conn = (void *) arg;



	BT_DBG("hcon %p mode %d", conn, conn->mode);



	hci_conn_enter_sniff_mode(conn);

}



static void hci_conn_auto_accept(struct work_struct *work)

{

	struct hci_conn *conn = container_of(work, struct hci_conn,
@@ -416,7 +409,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) 


	INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);

	INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);

	setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);

	INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);



	atomic_set(&conn->refcnt, 0);
@@ -437,10 +430,9 @@ int hci_conn_del(struct hci_conn *conn) 


	BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);



	del_timer(&conn->idle_timer);



	cancel_delayed_work_sync(&conn->disc_work);

	cancel_delayed_work_sync(&conn->auto_accept_work);

	cancel_delayed_work_sync(&conn->idle_work);



	if (conn->type == ACL_LINK) {

		struct hci_conn *sco = conn->link;
@@ -920,8 +912,8 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active) 


timer:

	if (hdev->idle_timeout > 0)

		mod_timer(&conn->idle_timer,

			  jiffies + msecs_to_jiffies(hdev->idle_timeout));

		queue_delayed_work(hdev->workqueue, &conn->idle_work,

				   msecs_to_jiffies(hdev->idle_timeout));

}



/* Drop all connection on the device */