Hi Felipe,

> LDISCs shouldn't call tty->ops->write() from within
> ->write_wakeup().
> 
> ->write_wakeup() is called with port lock taken and
> IRQs disabled, tty->ops->write() will try to acquire
> the same port lock and we will deadlock.
> 
> Reviewed-by: Peter Hurley <pe...@hurleysoftware.com>
> Reported-by: Huang Shijie <b32...@freescale.com>
> Signed-off-by: Felipe Balbi <ba...@ti.com>
> ---
> drivers/bluetooth/hci_ldisc.c | 24 +++++++++++++++++++-----
> drivers/bluetooth/hci_uart.h  |  1 +
> 2 files changed, 20 insertions(+), 5 deletions(-)

I hope these are not causing any conflicts with bluetooth-next / linux-next. If 
not, then I can let Greg take it through tty-next tree.

Acked-by: Marcel Holtmann <mar...@holtmann.org>

Regards

Marcel

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