All of lore.kernel.org
 help / color / mirror / Atom feed
From: pharish <pharish@codeaurora.org>
To: marcel@holtmann.org, johan.hedberg@gmail.com
Cc: mka@chromium.org, linux-kernel@vger.kernel.org,
	linux-bluetooth@vger.kernel.org, hemantg@codeaurora.org,
	linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org,
	rjliao@codeaurora.org, hbandi@codeaurora.org,
	abhishekpandit@chromium.org, mcchou@chromium.org,
	saluvala@codeaurora.org, pharish <pharish@codeaurora.org>
Subject: [PATCH v1] Bluetooth: hci_qca: Optimizations in init sequence for WCN6750.
Date: Thu, 25 Nov 2021 18:47:09 +0530	[thread overview]
Message-ID: <1637846230-4798-1-git-send-email-pharish@codeaurora.org> (raw)

This change adds optimazation in init sequence for WCN6750.

Signed-off-by: pharish <pharish@codeaurora.org>
---
 drivers/bluetooth/hci_qca.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 6f44b26..4dedaaa 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1603,15 +1603,19 @@ static int qca_regulator_init(struct hci_uart *hu)
 	 */
 	qcadev = serdev_device_get_drvdata(hu->serdev);
 	if (!qcadev->bt_power->vregs_on) {
-		serdev_device_close(hu->serdev);
+		if (qca_is_wcn399x(soc_type))
+			serdev_device_close(hu->serdev);
+
 		ret = qca_regulator_enable(qcadev);
 		if (ret)
 			return ret;
 
-		ret = serdev_device_open(hu->serdev);
-		if (ret) {
-			bt_dev_err(hu->hdev, "failed to open port");
-			return ret;
+		if (qca_is_wcn399x(soc_type)) {
+			ret = serdev_device_open(hu->serdev);
+			if (ret) {
+				bt_dev_err(hu->hdev, "failed to open port");
+				return ret;
+			}
 		}
 	}
 
@@ -1635,9 +1639,8 @@ static int qca_regulator_init(struct hci_uart *hu)
 		}
 	}
 
-	qca_set_speed(hu, QCA_INIT_SPEED);
-
 	if (qca_is_wcn399x(soc_type)) {
+		qca_set_speed(hu, QCA_INIT_SPEED);
 		ret = qca_send_power_pulse(hu, true);
 		if (ret)
 			return ret;
@@ -1648,6 +1651,7 @@ static int qca_regulator_init(struct hci_uart *hu)
 	 * Without this, we will have RTS and CTS synchronization
 	 * issues.
 	 */
+
 	serdev_device_close(hu->serdev);
 	ret = serdev_device_open(hu->serdev);
 	if (ret) {
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member 
of Code Aurora Forum, hosted by The Linux Foundation


             reply	other threads:[~2021-11-25 13:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-25 13:17 pharish [this message]
2021-11-25 13:17 ` [PATCH v1] Bluetooth: hci_qca: Stop IBS timer during BT OFF pharish
2021-11-25 18:42   ` Marcel Holtmann
2021-12-07  5:39     ` pharish
2021-11-25 18:44 ` [PATCH v1] Bluetooth: hci_qca: Optimizations in init sequence for WCN6750 Marcel Holtmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1637846230-4798-1-git-send-email-pharish@codeaurora.org \
    --to=pharish@codeaurora.org \
    --cc=abhishekpandit@chromium.org \
    --cc=bgodavar@codeaurora.org \
    --cc=hbandi@codeaurora.org \
    --cc=hemantg@codeaurora.org \
    --cc=johan.hedberg@gmail.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marcel@holtmann.org \
    --cc=mcchou@chromium.org \
    --cc=mka@chromium.org \
    --cc=rjliao@codeaurora.org \
    --cc=saluvala@codeaurora.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.