Re: [PATCH] Revert "Bluetooth: btusb: driver to enable the usb-wakeup feature"

From: Marcel Holtmann
Date: Fri Aug 30 2019 - 03:46:49 EST


Hi Mario,

> This reverts commit a0085f2510e8976614ad8f766b209448b385492f.
>
> This commit has caused regressions in notebooks that support suspend
> to idle such as the XPS 9360, XPS 9370 and XPS 9380.
>
> These notebooks will wakeup from suspend to idle from an unsolicited
> advertising packet from an unpaired BLE device.
>
> In a bug report it was sugggested that this is caused by a generic
> lack of LE privacy support. Revert this commit until that behavior
> can be avoided by the kernel.
>
> Fixes: a0085f2510e8 ("Bluetooth: btusb: driver to enable the usb-wakeup feature")
> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=200039
> Link: https://marc.info/?l=linux-bluetooth&m=156441081612627&w=2
> Link: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/750073/
> CC: Bastien Nocera <hadess@xxxxxxxxxx>
> CC: Christian Kellner <ckellner@xxxxxxxxxx>
> CC: Sukumar Ghorai <sukumar.ghorai@xxxxxxxxx>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 5 -----
> 1 file changed, 5 deletions(-)

patch has been applied to bluetooth-stable tree.

Regards

Marcel