Re: [PATCH v5 4/4] Bluetooth: btusb: Add support for Qualcomm multi-subsystem QCC2072

From: Zijun Hu

Date: Sun Sep 13 2026 - 22:53:46 EST


On 9/12/2026 3:56 AM, Pauli Virtanen wrote:
>> +/*
>> + * btusb_qcom_send_frame - send a frame for BT or PERI
>> + * @hdev: the HCI device
>> + * @skb: the frame to send
>> + *
>> + * Implements hdev->send().
>> + *
>> + * Return: 0 on success, or a negative errno on failure.
>> + */
>> +int btusb_qcom_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
> This one should have __context_unsafe(/* conditional locking */)
> annotation, or no if (need_lock), to avoid warnings on LLVM 23.

Good catch — fixed in v6 (below) by adding the __context_unsafe(/* conditional locking */)
annotation, per your suggestion.

https://lore.kernel.org/all/20260913-btusb_qcc2072-v6-0-137898715844@xxxxxxxxxxxxxxxx