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
next 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).