From mboxrd@z Thu Jan  1 00:00:00 1970
From: bjorn@mork.no (=?utf-8?Q?Bj=C3=B8rn_Mork?=)
Date: Thu, 11 Jun 2015 10:20:55 +0200
Subject: Userpace serial port
In-Reply-To: <CAPybu_2mGUS4_ibU0fLrbA7JNDXPBvYhWCrkcVA+yari9pcAxg@mail.gmail.com>
	(Ricardo Ribalda Delgado's message of "Thu, 11 Jun 2015 08:39:39
	+0200")
References: <CAPybu_2E2PJvh=VUNYfUK8pBmx-ba8rRUQBHjzWhhiUUha=UBA@mail.gmail.com>
	<20150611035207.GB22550@kroah.com>
	<CAPybu_2mGUS4_ibU0fLrbA7JNDXPBvYhWCrkcVA+yari9pcAxg@mail.gmail.com>
Message-ID: <87381yodug.fsf@nemi.mork.no>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> writes:

> I want to use the serial userspace api. But I do not want to write a
> kernel module. I really like the design of uinput, and I would like to
> use something similar here.

Do you need the modem control lines, or would a pty be good enough for
your use case?

If you need more than that, then you could probably do a complete serial
driver using CUSE. But you would have to copy a lot of kernel code to
userspace.  It is much easier to just write a kernel driver.


Bj?rn