Re: [PATCH v3] tty: serial: don't do termios for BTIF

[Greg KH]

On Wed, Apr 22, 2020 at 08:09:00PM +0200, Greg KH wrote:
> On Thu, Apr 23, 2020 at 02:02:08AM +0800, sean.wang@xxxxxxxxxxxx wrote:
> > From: Sean Wang <sean.wang@xxxxxxxxxxxx>
> > 
> > Bluetooth Interface (BTIF) is designed dedicatedly for MediaTek SOC with
> > BT in order to be instead of the UART interface between BT module and Host
> > CPU, and not exported to user space to access.
> > 
> > As the UART design, BTIF will be an APB slave and can transmit or receive
> > data by MCU access, but doesn't provide termios function like baudrate and
> > flow control setup.
> 
> Why does it matter?  If the connection isn't exported to userspace, who
> would run those termios functions on the port?

Dropping from my patch queues due to a lack of response, please address
this question when you resend this.

greg k-h