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Commit 30e945fb authored by Loic Poulain's avatar Loic Poulain Committed by Marcel Holtmann
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Bluetooth: hci_intel: Give priority to LPM packets 



Change the way to insert LPM packets into the txq.
Use skb_queue_head instead of skb_queue_tail to always prioritise LPM
packets over potential tx queue content.

Signed-off-by: default avatarLoic Poulain <loic.poulain@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 9def9afd

drivers/bluetooth/hci_intel.c

+6 −3
Original line number Diff line number Diff line
@@ -190,7 +190,8 @@ static int intel_lpm_suspend(struct hci_uart *hu) 


	set_bit(STATE_LPM_TRANSACTION, &intel->flags);



	skb_queue_tail(&intel->txq, skb);

	/* LPM flow is a priority, enqueue packet at list head */

	skb_queue_head(&intel->txq, skb);

	hci_uart_tx_wakeup(hu);



	intel_wait_lpm_transaction(hu);
@@ -233,7 +234,8 @@ static int intel_lpm_resume(struct hci_uart *hu) 


	set_bit(STATE_LPM_TRANSACTION, &intel->flags);



	skb_queue_tail(&intel->txq, skb);

	/* LPM flow is a priority, enqueue packet at list head */

	skb_queue_head(&intel->txq, skb);

	hci_uart_tx_wakeup(hu);



	intel_wait_lpm_transaction(hu);
@@ -272,7 +274,8 @@ static int intel_lpm_host_wake(struct hci_uart *hu) 
	       sizeof(lpm_resume_ack));

	bt_cb(skb)->pkt_type = HCI_LPM_PKT;



	skb_queue_tail(&intel->txq, skb);

	/* LPM flow is a priority, enqueue packet at list head */

	skb_queue_head(&intel->txq, skb);

	hci_uart_tx_wakeup(hu);



	bt_dev_dbg(hu->hdev, "Resumed by controller");