From: Greg KH <gregkh@linuxfoundation.org>
To: sean.wang@mediatek.com
Cc: jslaby@suse.com, andriy.shevchenko@linux.intel.com,
mika.westerberg@linux.intel.com, sr@denx.de, arnd@arndb.de,
matthias.bgg@gmail.com, tthayer@opensource.altera.com,
linux-mediatek@lists.infradead.org, linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Steven Liu <steven.liu@mediatek.com>,
Ryder Lee <ryder.lee@mediatek.com>
Subject: Re: [PATCH v3] tty: serial: don't do termios for BTIF
Date: Tue, 5 May 2020 13:10:28 +0200 [thread overview]
Message-ID: <20200505111028.GA114206@kroah.com> (raw)
In-Reply-To: <20200422180900.GA3454664@kroah.com>
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@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.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
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: sean.wang@mediatek.com
Cc: andriy.shevchenko@linux.intel.com,
Steven Liu <steven.liu@mediatek.com>,
arnd@arndb.de, linux-kernel@vger.kernel.org,
Ryder Lee <ryder.lee@mediatek.com>,
linux-mediatek@lists.infradead.org,
tthayer@opensource.altera.com, linux-serial@vger.kernel.org,
jslaby@suse.com, matthias.bgg@gmail.com, sr@denx.de,
mika.westerberg@linux.intel.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3] tty: serial: don't do termios for BTIF
Date: Tue, 5 May 2020 13:10:28 +0200 [thread overview]
Message-ID: <20200505111028.GA114206@kroah.com> (raw)
In-Reply-To: <20200422180900.GA3454664@kroah.com>
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@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.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
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: sean.wang@mediatek.com
Cc: andriy.shevchenko@linux.intel.com,
Steven Liu <steven.liu@mediatek.com>,
arnd@arndb.de, linux-kernel@vger.kernel.org,
Ryder Lee <ryder.lee@mediatek.com>,
linux-mediatek@lists.infradead.org,
tthayer@opensource.altera.com, linux-serial@vger.kernel.org,
jslaby@suse.com, matthias.bgg@gmail.com, sr@denx.de,
mika.westerberg@linux.intel.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3] tty: serial: don't do termios for BTIF
Date: Tue, 5 May 2020 13:10:28 +0200 [thread overview]
Message-ID: <20200505111028.GA114206@kroah.com> (raw)
In-Reply-To: <20200422180900.GA3454664@kroah.com>
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@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-05 11:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 18:02 [PATCH v3] tty: serial: don't do termios for BTIF sean.wang
2020-04-22 18:02 ` sean.wang
2020-04-22 18:02 ` sean.wang
2020-04-22 18:09 ` Greg KH
2020-04-22 18:09 ` Greg KH
2020-04-22 18:09 ` Greg KH
2020-05-05 11:10 ` Greg KH [this message]
2020-05-05 11:10 ` Greg KH
2020-05-05 11:10 ` Greg KH
2020-06-17 3:50 ` sean.wang
2020-06-17 3:50 ` sean.wang
2020-06-17 3:50 ` sean.wang
2020-04-22 19:20 ` Andy Shevchenko
2020-04-22 19:20 ` Andy Shevchenko
2020-04-22 19:20 ` Andy Shevchenko
2020-06-17 3:58 ` sean.wang
2020-06-17 3:58 ` sean.wang
2020-06-17 3:58 ` sean.wang
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