* [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout @ 2024-09-27 6:41 Hilda Wu 2024-09-27 6:48 ` Paul Menzel 0 siblings, 1 reply; 3+ messages in thread From: Hilda Wu @ 2024-09-27 6:41 UTC (permalink / raw) To: marcel Cc: luiz.dentz, linux-bluetooth, linux-kernel, alex_lu, max.chou, kidman, howardchung, apusaka, yinghsu, johnlai Shorten the timeout for the HCI Reset on shutdown. Signed-off-by: Hilda Wu <hildawu@realtek.com> --- 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 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout 2024-09-27 6:41 [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout Hilda Wu @ 2024-09-27 6:48 ` Paul Menzel 2024-10-01 7:44 ` Hilda Wu 0 siblings, 1 reply; 3+ messages in thread From: Paul Menzel @ 2024-09-27 6:48 UTC (permalink / raw) To: Hilda Wu Cc: marcel, luiz.dentz, linux-bluetooth, linux-kernel, alex_lu, max.chou, kidman, howardchung, apusaka, yinghsu, johnlai Dear Hilda, Thank you for your patch. Am 27.09.24 um 08:41 schrieb Hilda Wu: > Shorten the timeout for the HCI Reset on shutdown. Why? It’d be great if you elaborated, and documented how to reproduce the problem. What is the old and new timeout value? For the git commit message summary, maybe use: Bluetooth: btrtl: Decrease HCI_OP_RESET timeout from x ms to y ms > Signed-off-by: Hilda Wu <hildawu@realtek.com> > --- > 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"); Kind regards, Paul ^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout 2024-09-27 6:48 ` Paul Menzel @ 2024-10-01 7:44 ` Hilda Wu 0 siblings, 0 replies; 3+ messages in thread From: Hilda Wu @ 2024-10-01 7:44 UTC (permalink / raw) To: Paul Menzel Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, alex_lu@realsil.com.cn, Max Chou, KidmanLee, howardchung@google.com, apusaka@chromium.org, yinghsu@chromium.org, johnlai@google.com Hi Paul, Thank you for your opinion. I just modified the commit message summary and sent v2. Please check the following comment. Thanks again. Regards, Hilda -----Original Message----- From: Paul Menzel <pmenzel@molgen.mpg.de> Sent: Friday, September 27, 2024 2:48 PM To: Hilda Wu <hildawu@realtek.com> Cc: marcel@holtmann.org; luiz.dentz@gmail.com; linux-bluetooth@vger.kernel.org; linux-kernel@vger.kernel.org; alex_lu@realsil.com.cn; Max Chou <max.chou@realtek.com>; KidmanLee <kidman@realtek.com>; howardchung@google.com; apusaka@chromium.org; yinghsu@chromium.org; johnlai@google.com Subject: Re: [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout External mail. Dear Hilda, Thank you for your patch. Am 27.09.24 um 08:41 schrieb Hilda Wu: > Shorten the timeout for the HCI Reset on shutdown. Why? It’d be great if you elaborated, and documented how to reproduce the problem. Actually, this patch is not for fix something happen, but a prevention. Let upper layer stack reduce the expected waiting time, for preventing stack daemon be blocked by the socket close if this could happen. What is the old and new timeout value? For the git commit message summary, maybe use: Add changes. Bluetooth: btrtl: Decrease HCI_OP_RESET timeout from x ms to y ms Add changes. > Signed-off-by: Hilda Wu <hildawu@realtek.com> > --- > 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"); Kind regards, Paul ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2024-10-01 7:44 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2024-09-27 6:41 [PATCH] Bluetooth: btrtl: Shorten HCI_OP_RESET timeout Hilda Wu 2024-09-27 6:48 ` Paul Menzel 2024-10-01 7:44 ` Hilda Wu
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox