Re: [PATCH 1/2] Revert "Bluetooth: btusb: fix QCA Rome suspend/resume"

[Marcel Holtmann <marcel@holtmann.org>]

Hi Kai-Heng,

> This reverts commit fd865802c66bc451dc515ed89360f84376ce1a56.
> 
> This commit causes a regression on some QCA ROME chips. The USB device
> reset happens in btusb_open(), hence firmware loading gets interrupted.
> 
> Furthermore, this commit stops working after commit
> ("a0085f2510e8976614ad8f766b209448b385492f Bluetooth: btusb: driver to
> enable the usb-wakeup feature"). Reset-resume quirk only gets enabled in
> btusb_suspend() when it's not a wakeup source.
> 
> If we really want to reset the USB device, we need to do it before
> btusb_open(). Let's handle it in drivers/usb/core/quirks.c.
> 
> Cc: stable@vger.kernel.org
> Cc: Leif Liddy <leif.linux@gmail.com>
> Cc: Matthias Kaehlcke <mka@chromium.org>
> Cc: Brian Norris <briannorris@chromium.org>
> Cc: Daniel Drake <drake@endlessm.com>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> 
> ---
> 
> Daniel, Cc you because this also affects your original quirk patch for
> Realtek btusb.
> 
> drivers/bluetooth/btusb.c | 6 ------
> 1 file changed, 6 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel