linux-kernel - Re: Writing a driver for a legacy serial device

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Date:	Fri, 22 Jun 2007 01:31:08 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Dmitry Torokhov <dtor@...ightbb.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Vojtech Pavlik <vojtech@....cz>
Subject: Re: Writing a driver for a legacy serial device

On Thursday 21 June 2007, Jean Delvare wrote:
> I2C bus drivers have to be implemented in the kernel, so user-space
> isn't an option for me.

Well, you could have an i2c_algorithm that exports a character device
node to user space, and then have a trivial user application that
simply relays between that and the serial port.

It's probably not much different to what you have in the end though.

	Arnd <><
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