From: Arnd Bergmann <arnd@arndb.de>
To: Timur Tabi <timur@freescale.com>
Cc: gregkh <gregkh@suse.de>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: Writing a console/tty driver -- how to use tty_port?
Date: Thu, 28 Oct 2010 22:57:33 +0200 [thread overview]
Message-ID: <201010282257.33898.arnd@arndb.de> (raw)
In-Reply-To: <4CC893CD.7020701@freescale.com>
On Wednesday 27 October 2010 23:04:13 Timur Tabi wrote:
> Do you have an updated version of Tiny TTY that uses tty_port structures? I'm
> trying to write a new TTY driver for a device that is not a UART, and I'm having
> a hard time finding a good example. I suspect I need to understand the tty_port
> structure, but I can't find any documentation for it.
If the device is not a UART, the best option may be to make the driver
a backend to the hvc driver, like e.g. drivers/char/hvc_tile.c.
This works for all devices with or without interrupts that don't need
to set up the communication parameters but simply provide a read/write
character interface.
Arnd
next prev parent reply other threads:[~2010-10-28 20:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-27 21:04 Writing a console/tty driver -- how to use tty_port? Timur Tabi
2010-10-27 22:19 ` Alan Cox
2010-10-28 19:35 ` Timur Tabi
2010-10-29 13:55 ` Timur Tabi
2010-10-29 14:14 ` Timur Tabi
2010-10-28 20:34 ` Timur Tabi
2010-10-28 20:47 ` Timur Tabi
2010-10-28 20:57 ` Arnd Bergmann [this message]
2010-10-28 21:08 ` Timur Tabi
2010-10-29 14:21 ` Arnd Bergmann
2010-10-28 22:11 ` Alan Cox
2010-10-29 23:55 ` Arnd Bergmann
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