diff mbox series

[184/379,SRU,OEM-5.6] Bluetooth: hci_qca: Request Tx clock vote off only when Tx is pending

Message ID 20201223085152.554896-185-vicamo.yang@canonical.com
State Accepted
Headers show
Series Support Qualcomm QCA6390 via ath11k driver | expand

Commit Message

You-Sheng Yang Dec. 23, 2020, 8:48 a.m. UTC 
From: Balakrishna Godavarthi <bgodavar@codeaurora.org>

BugLink: https://bugs.launchpad.net/bugs/1879633

Tx pending flag is set to true when HOST IBS state is AWAKE or
AWAKEING. If IBS state is ASLEEP, then Tx clock is already voted
off. To optimize further directly calling serial_clock_vote()
instead of qca_wq_serial_tx_clock_vote_off(), at this point of
qca_suspend() already data is sent out. No need to wake up hci to
send data.

Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
(cherry picked from commit 201a11246d6018bb4ce648e62ed099950f4b174a)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/bluetooth/hci_qca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 91c9aa642367..99d14c777105 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2107,6 +2107,7 @@  static int __maybe_unused qca_suspend(struct device *dev)
 	if (tx_pending) {
 		serdev_device_wait_until_sent(hu->serdev,
 					      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
+		serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_OFF, hu);
 	}
 
 	/* Wait for HCI_IBS_SLEEP_IND sent by device to indicate its Tx is going
@@ -2120,7 +2121,6 @@  static int __maybe_unused qca_suspend(struct device *dev)
 		goto error;
 	}
 
-	qca_wq_serial_tx_clock_vote_off(&qca->ws_tx_vote_off);
 	return 0;
 
 error: