Commit a39390e3 authored by Chris Lu's avatar Chris Lu Committed by Wen Zhiwei
Browse files

Bluetooth: btusb: add callback function in btusb suspend/resume 

stable inclusion
from stable-v6.6.70
commit 3aab20eb1989d201aa9f3adf44687ca96d466e9b
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/IBOHV1

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3aab20eb1989d201aa9f3adf44687ca96d466e9b



--------------------------------

[ Upstream commit 95f92928ad2215b5f524903e67eebd8e14f99564 ]

Add suspend/resum callback function in btusb_data which are reserved
for vendor specific usage during suspend/resume. hdev->suspend will be
added before stop traffic in btusb_suspend and hdev-> resume will be
added after resubmit urb in btusb_resume.

Signed-off-by: default avatarChris Lu <chris.lu@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
Stable-dep-of: cea1805f165c ("Bluetooth: btusb: mediatek: add callback function in btusb_disconnect")
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarWen Zhiwei <wenzhiwei@kylinos.cn>
parent 2f315398

drivers/bluetooth/btusb.c

+9 −0
Original line number Diff line number Diff line
@@ -892,6 +892,9 @@ struct btusb_data { 


	int (*setup_on_usb)(struct hci_dev *hdev);



	int (*suspend)(struct hci_dev *hdev);

	int (*resume)(struct hci_dev *hdev);



	int oob_wake_irq;   /* irq for out-of-band wake-on-bt */

	unsigned cmd_timeout_cnt;
@@ -4691,6 +4694,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 


	cancel_work_sync(&data->work);



	if (data->suspend)

		data->suspend(data->hdev);



	btusb_stop_traffic(data);

	usb_kill_anchored_urbs(&data->tx_anchor);
@@ -4794,6 +4800,9 @@ static int btusb_resume(struct usb_interface *intf) 
			btusb_submit_isoc_urb(hdev, GFP_NOIO);

	}



	if (data->resume)

		data->resume(hdev);



	spin_lock_irq(&data->txlock);

	play_deferred(data);

	clear_bit(BTUSB_SUSPENDING, &data->flags);