Re: [PATCH v2 2/2] Bluetooth: btusb: restore powered-off Intel adapters

From: Oliver Neukum

Date: Tue Sep 22 2026 - 05:57:23 EST


On 17.09.26 23:19, Sean Rhodes wrote:

Hi,

Tested on a Star Labs Lite Mk IV with Intel 8087:0aaa. Three Bluetooth
off/on cycles reached ACPI D3cold, restored the same hci0 without a USB
disconnect, and discovery found nearby devices after resume.

Have you tested this with a different device and S4?

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
---
drivers/bluetooth/btusb_main.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)


[..]
#ifdef CONFIG_DEV_COREDUMP
static void btusb_coredump(struct device *dev)
{
@@ -5093,6 +5125,7 @@ static struct usb_driver btusb_driver = {
.disconnect = btusb_disconnect,
.suspend = pm_ptr(btusb_suspend),
.resume = pm_ptr(btusb_resume),
+ .reset_resume = pm_ptr(btusb_reset_resume),

What happens to a connection if a lot of data has been lost?

Regards
Oliver