[PATCH 4.4 75/78] Revert "Bluetooth: btusb: driver to enable the usb-wakeup feature"

From: Greg Kroah-Hartman
Date: Fri Dec 22 2017 - 03:53:08 EST


4.4-stable review patch. If anyone has any objections, please let me know.

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

From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

This reverts commit ffc7565746bb2fc063fc0f484c55ef6d8951a6ee which is
commit a0085f2510e8976614ad8f766b209448b385492f upstream.

It causes problems with working systems, as noted by a number of the
ChromeOS developers.

Cc: Sukumar Ghorai <sukumar.ghorai@xxxxxxxxx>
Cc: Amit K Bag <amit.k.bag@xxxxxxxxx>
Cc: Oliver Neukum <oneukum@xxxxxxxx>
Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reported-by: Brian Norris <briannorris@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 5 -----
1 file changed, 5 deletions(-)

--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1050,10 +1050,6 @@ static int btusb_open(struct hci_dev *hd
return err;

data->intf->needs_remote_wakeup = 1;
- /* device specific wakeup source enabled and required for USB
- * remote wakeup while host is suspended
- */
- device_wakeup_enable(&data->udev->dev);

if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;
@@ -1117,7 +1113,6 @@ static int btusb_close(struct hci_dev *h
goto failed;

data->intf->needs_remote_wakeup = 0;
- device_wakeup_disable(&data->udev->dev);
usb_autopm_put_interface(data->intf);

failed: