[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 5 May 2020 13:10:28 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: sean.wang@...iatek.com
Cc: jslaby@...e.com, andriy.shevchenko@...ux.intel.com,
mika.westerberg@...ux.intel.com, sr@...x.de, arnd@...db.de,
matthias.bgg@...il.com, tthayer@...nsource.altera.com,
linux-mediatek@...ts.infradead.org, linux-serial@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Steven Liu <steven.liu@...iatek.com>,
Ryder Lee <ryder.lee@...iatek.com>
Subject: Re: [PATCH v3] tty: serial: don't do termios for BTIF
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@...iatek.com wrote:
> > From: Sean Wang <sean.wang@...iatek.com>
> >
> > 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
Powered by blists - more mailing lists