From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Zijun Hu <quic_zijuhu@quicinc.com>,
luiz.dentz@gmail.com, luiz.von.dentz@intel.com,
marcel@holtmann.org
Cc: linux-bluetooth@vger.kernel.org, wt@penguintechs.org,
bartosz.golaszewski@linaro.org
Subject: Re: [PATCH v1 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 after disable then warm reboot
Date: Thu, 18 Apr 2024 18:48:29 +0200 [thread overview]
Message-ID: <7cd6f395-1f1b-4a73-840f-d70fff5da220@linaro.org> (raw)
In-Reply-To: <1713449192-25926-3-git-send-email-quic_zijuhu@quicinc.com>
On 18/04/2024 16:06, Zijun Hu wrote:
> From: Zijun Hu <zijuhu@qti.qualcomm.com>
>
> Commit 272970be3dab ("Bluetooth: hci_qca: Fix driver shutdown on closed
> serdev") will cause regression issue for QCA_QCA6390 if BT reset pin is
> not configured by DT or ACPI, the regression issue is that BT can't be
> enabled after disable then warm reboot, fixed by correcting conditions
> for sending the VSC reset controller within qca_serdev_shutdown().
I have trouble understanding what is the bug. Can you rephrase it?
>
> Fixes: 272970be3dab ("Bluetooth: hci_qca: Fix driver shutdown on closed serdev")
> Reported-by: Wren Turkal <wt@penguintechs.org>
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218726
> Signed-off-by: Zijun Hu <zijuhu@qti.qualcomm.com>
> Tested-by: Wren Turkal <wt@penguintechs.org>
> ---
> drivers/bluetooth/hci_qca.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 160175a23a49..2a47a60ecc25 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -2437,15 +2437,21 @@ static void qca_serdev_shutdown(struct device *dev)
> struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
> struct hci_uart *hu = &qcadev->serdev_hu;
> struct hci_dev *hdev = hu->hdev;
> - struct qca_data *qca = hu->priv;
> const u8 ibs_wake_cmd[] = { 0xFD };
> const u8 edl_reset_soc_cmd[] = { 0x01, 0x00, 0xFC, 0x01, 0x05 };
>
> if (qcadev->btsoc_type == QCA_QCA6390) {
> - if (test_bit(QCA_BT_OFF, &qca->flags) ||
> - !test_bit(HCI_RUNNING, &hdev->flags))
> + if (test_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks)) {
> + BT_INFO("QCA do not need to send EDL_RESET_REQ");
> return;
> + }
> +
> + if (hci_dev_test_flag(hdev, HCI_SETUP)) {
Commit msg does not help me at all to understand why you are changing
the test bits.
> + BT_INFO("QCA do not send EDL_RESET_REQ");
> + return;
> + }
>
> + BT_INFO("QCA start to send EDL_RESET_REQ");
Why debugging info is part of the fix?
Best regards,
Krzysztof
next prev parent reply other threads:[~2024-04-18 16:48 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-18 14:06 [PATCH v1 0/2] Fix two regression issues for QCA controllers Zijun Hu
2024-04-18 14:06 ` [PATCH v1 1/2] Revert "Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()" Zijun Hu
2024-04-18 14:31 ` Fix two regression issues for QCA controllers bluez.test.bot
2024-04-18 16:52 ` [PATCH v1 1/2] Revert "Bluetooth: hci_qca: don't use IS_ERR_OR_NULL() with gpiod_get_optional()" Krzysztof Kozlowski
2024-04-18 21:16 ` quic_zijuhu
2024-04-18 22:37 ` Krzysztof Kozlowski
2024-04-18 23:17 ` quic_zijuhu
2024-04-19 13:49 ` Krzysztof Kozlowski
2024-04-20 5:25 ` quic_zijuhu
2024-04-20 5:27 ` quic_zijuhu
2024-04-20 11:13 ` Krzysztof Kozlowski
2024-04-20 23:01 ` quic_zijuhu
2024-04-18 17:00 ` Bartosz Golaszewski
2024-04-18 21:43 ` quic_zijuhu
2024-04-18 22:42 ` Bartosz Golaszewski
2024-04-18 23:36 ` quic_zijuhu
2024-04-19 21:27 ` Bartosz Golaszewski
2024-04-20 5:39 ` quic_zijuhu
2024-04-21 7:14 ` Wren Turkal
2024-04-21 9:40 ` quic_zijuhu
2024-04-22 5:26 ` Wren Turkal
2024-04-18 14:06 ` [PATCH v1 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 after disable then warm reboot Zijun Hu
2024-04-18 16:48 ` Krzysztof Kozlowski [this message]
2024-04-18 20:34 ` quic_zijuhu
2024-04-18 20:58 ` Krzysztof Kozlowski
2024-04-18 22:05 ` quic_zijuhu
2024-04-18 22:38 ` Krzysztof Kozlowski
2024-04-18 23:24 ` quic_zijuhu
2024-04-19 21:48 ` [PATCH v1 0/2] Fix two regression issues for QCA controllers Zijun Hu
2024-04-19 21:48 ` [PATCH v2 1/2] Bluetooth: MGMT: Fix failing to MGMT_OP_ADD_UUID/MGMT_OP_REMOVE_UUID Zijun Hu
2024-04-19 22:05 ` quic_zijuhu
2024-04-19 22:12 ` [v2,1/2] " bluez.test.bot
2024-04-19 21:48 ` [PATCH v2 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Zijun Hu
2024-04-19 22:06 ` quic_zijuhu
2024-04-19 22:03 ` [PATCH v3 0/2] Fix two regression issues for QCA controllers Zijun Hu
2024-04-19 22:03 ` [PATCH v3 1/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Zijun Hu
2024-04-19 22:30 ` Fix two regression issues for QCA controllers bluez.test.bot
2024-04-20 11:03 ` [PATCH v3 1/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Krzysztof Kozlowski
2024-04-20 21:28 ` quic_zijuhu
2024-04-19 22:03 ` [PATCH v3 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 after disable then warm reboot Zijun Hu
2024-04-20 11:07 ` Krzysztof Kozlowski
2024-04-20 21:42 ` quic_zijuhu
2024-04-20 11:01 ` [PATCH v3 0/2] Fix two regression issues for QCA controllers Krzysztof Kozlowski
2024-04-22 7:44 ` Krzysztof Kozlowski
2024-04-22 8:07 ` quic_zijuhu
2024-04-22 8:11 ` Krzysztof Kozlowski
2024-04-22 8:21 ` quic_zijuhu
2024-04-20 22:06 ` [PATCH v4 " Zijun Hu
2024-04-20 22:06 ` [PATCH v4 1/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Zijun Hu
2024-04-20 22:31 ` Fix two regression issues for QCA controllers bluez.test.bot
2024-04-20 22:06 ` [PATCH v4 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 after disable then warm reboot Zijun Hu
2024-04-21 7:44 ` [PATCH v4 0/2] Fix two regression issues for QCA controllers Wren Turkal
2024-04-21 9:30 ` quic_zijuhu
2024-04-21 18:41 ` Krzysztof Kozlowski
2024-04-22 0:14 ` quic_zijuhu
2024-04-22 5:21 ` Wren Turkal
2024-04-22 8:51 ` Bartosz Golaszewski
2024-04-22 10:42 ` Wren Turkal
2024-04-22 13:02 ` Bartosz Golaszewski
2024-04-24 1:52 ` Wren Turkal
2024-04-22 5:52 ` Krzysztof Kozlowski
2024-04-22 6:00 ` quic_zijuhu
2024-04-22 7:45 ` Krzysztof Kozlowski
2024-04-22 10:05 ` quic_zijuhu
2024-04-22 12:28 ` Krzysztof Kozlowski
2024-04-21 13:51 ` Krzysztof Kozlowski
2024-04-22 7:38 ` [PATCH v5 " Zijun Hu
2024-04-22 7:38 ` [PATCH v5 1/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 Zijun Hu
2024-04-22 8:36 ` Fix two regression issues for QCA controllers bluez.test.bot
2024-04-22 7:38 ` [PATCH v5 2/2] Bluetooth: qca: Fix BT enable failure for QCA_QCA6390 after disable then warm reboot Zijun Hu
2024-04-22 7:42 ` Krzysztof Kozlowski
2024-04-22 11:25 ` quic_zijuhu
2024-04-22 12:22 ` Krzysztof Kozlowski
2024-04-22 12:59 ` quic_zijuhu
2024-04-25 0:59 ` [PATCH v6 v7] Fix two BT regression issues for QCA6390 Zijun Hu
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