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: Loic Poulain <loic.poulain@xxxxxxxxx> --- drivers/bluetooth/hci_intel.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index 3314823..21f339f 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -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"); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
