| Message ID | 1608286331-15760-1-git-send-email-zijuhu@codeaurora.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 3b0d5250be30e76727284bb9e4c26b662ede7378 |
| Headers | show |
| Series | [v1] Bluetooth: btusb: add shutdown function for wcn6855 | expand |
Hi Zijun, > we should send hci reset command before bt turn off, which can reset bt > firmware status. > > Signed-off-by: Tim Jiang <tjiang@codeaurora.org> > --- > drivers/bluetooth/btusb.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) patch has been applied to bluetooth-next tree. Regards Marcel
Hello: This patch was applied to qcom/linux.git (refs/heads/for-next): On Fri, 18 Dec 2020 18:12:11 +0800 you wrote: > From: Tim Jiang <tjiang@codeaurora.org> > > we should send hci reset command before bt turn off, which can reset bt > firmware status. > > Signed-off-by: Tim Jiang <tjiang@codeaurora.org> > > [...] Here is the summary with links: - [v1] Bluetooth: btusb: add shutdown function for wcn6855 https://git.kernel.org/qcom/c/3b0d5250be30 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 03b83aa91277..139132463a87 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -4264,6 +4264,20 @@ static bool btusb_prevent_wake(struct hci_dev *hdev) return !device_may_wakeup(&data->udev->dev); } +static int btusb_shutdown_qca(struct hci_dev *hdev) +{ + struct sk_buff *skb; + + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "HCI reset during shutdown failed"); + return PTR_ERR(skb); + } + kfree_skb(skb); + + return 0; +} + static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -4523,6 +4537,7 @@ static int btusb_probe(struct usb_interface *intf, if (id->driver_info & BTUSB_QCA_WCN6855) { data->setup_on_usb = btusb_setup_qca; + hdev->shutdown = btusb_shutdown_qca; hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; hdev->cmd_timeout = btusb_qca_cmd_timeout; set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);