RE: [PATCH v2] Bluetooth: btrtl: Decrease HCI_OP_RESET timeout from 10 s to 2 s

From: Hilda Wu
Date: Fri Oct 04 2024 - 03:59:47 EST


Hi Luiz,

Yes, please.
This is indeed what I want to express.
Thank you for your help.

Regards,
Hilda

-----Original Message-----
From: Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>
Sent: Tuesday, October 1, 2024 11:29 PM
To: Hilda Wu <hildawu@xxxxxxxxxxx>
Cc: marcel@xxxxxxxxxxxx; linux-bluetooth@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; alex_lu@xxxxxxxxxxxxxx; Max Chou <max.chou@xxxxxxxxxxx>; KidmanLee <kidman@xxxxxxxxxxx>; howardchung@xxxxxxxxxx; apusaka@xxxxxxxxxxxx; yinghsu@xxxxxxxxxxxx; johnlai@xxxxxxxxxx
Subject: Re: [PATCH v2] Bluetooth: btrtl: Decrease HCI_OP_RESET timeout from 10 s to 2 s


External mail.



Hi Hilda,

On Tue, Oct 1, 2024 at 3:43 AM Hilda Wu <hildawu@xxxxxxxxxxx> wrote:
>
> The original timeout setting for HCI Reset on shutdown is 10 seconds.
> Since the HCI Reset processing time is soon, so decrease the timeout
> to 2 seconds for HCI Reset on shutdown.

I guess you are saying that HCI Reset shouldn't take 10 seconds to complete so instead use the default timeout for commands. I can update the description myself if you agree to use the above sentence.

> Signed-off-by: Hilda Wu <hildawu@xxxxxxxxxxx>
> ---
> V1 -> V2: Modify commit message and summary
> ---
> ---
> drivers/bluetooth/btrtl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
> index 2d95b3ea046d..7128a8a0ba25 100644
> --- a/drivers/bluetooth/btrtl.c
> +++ b/drivers/bluetooth/btrtl.c
> @@ -1371,7 +1371,7 @@ int btrtl_shutdown_realtek(struct hci_dev *hdev)
> /* According to the vendor driver, BT must be reset on close to avoid
> * firmware crash.
> */
> - skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
> + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL,
> + HCI_CMD_TIMEOUT);
> if (IS_ERR(skb)) {
> ret = PTR_ERR(skb);
> bt_dev_err(hdev, "HCI reset during shutdown failed");
> --
> 2.34.1
>


--
Luiz Augusto von Dentz