From: Mike Hommey <mh@xxxxxxxxxxxx> commit 5fe251112646d8626818ea90f7af325bab243efa upstream. commit 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary") put restarting communication behind that flag, and this was apparently necessary on the T651, but the flag was not set for it. Fixes: 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230617230957.6mx73th4blv7owqk@xxxxxxxxxxxx Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/hid/hid-logitech-hidpp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -4009,7 +4009,7 @@ static const struct hid_device_id hidpp_ { /* wireless touchpad T651 */ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651), - .driver_data = HIDPP_QUIRK_CLASS_WTP }, + .driver_data = HIDPP_QUIRK_CLASS_WTP | HIDPP_QUIRK_DELAYED_INIT }, { /* Mouse Logitech Anywhere MX */ LDJ_DEVICE(0x1017), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_1P0 }, { /* Mouse Logitech Cube */