linux-kernel - [PATCH v3 0/2] Bluetooth: btusb: Reject autosuspend if discovery is active

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Message-Id: <20260109020538.2803094-1-lilinmao@kylinos.cn>
Date: Fri,  9 Jan 2026 10:05:36 +0800
From: Linmao Li <lilinmao@...inos.cn>
To: linux-bluetooth@...r.kernel.org
Cc: marcel@...tmann.org,
	luiz.dentz@...il.com,
	linux-kernel@...r.kernel.org,
	Linmao Li <lilinmao@...inos.cn>
Subject: [PATCH v3 0/2] Bluetooth: btusb: Reject autosuspend if discovery is active

This series fixes an issue where USB autosuspend during discovery
can leave the HCI state machine in an inconsistent state.

v3:
  - Export hci_discovery_active() in patch 1
  - Use hci_discovery_active() in btusb in patch 2

v2:
  - Use hci_discovery_active() instead of testing individual bits
    (Luiz Augusto von Dentz)

Linmao Li (2):
  Bluetooth: hci_core: Export hci_discovery_active
  Bluetooth: btusb: Reject autosuspend if discovery is active

 drivers/bluetooth/btusb.c | 7 ++++---
 net/bluetooth/hci_core.c  | 1 +
 2 files changed, 5 insertions(+), 3 deletions(-)

-- 
2.25.1