linux-kernel - Re: [PATCH 1/2] MISC: driver for the character LCD found in ARM refdesigns

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Message-ID: <AANLkTimJU5-vDLi3ssctgOWl3T6LDgdMlmvkRrm4vh23@mail.gmail.com>
Date:	Sun, 18 Jul 2010 00:10:27 +0200
From:	Linus Walleij <linus.ml.walleij@...il.com>
To:	ivan.kuten@...mwad.com
Cc:	Linus Walleij <triad@...lth.se>,
	Viktar Palstsiuk <viktar.palstsiuk@...mwad.com>,
	mattia.jona@...il.com, Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] MISC: driver for the character LCD found in ARM 
	refdesigns

2010/7/17 Ivan Kuten <ivan.kuten@...mwad.com>:

>  Hello Linus,
> Any chance to sync your efforts with lcd-linux project
> (http://lcd-linux.sourceforge.net/) ?

If the LCD-linux people make an attempt to go into the mainline, I
promise I will immediately migrate my driver out of drivers/misc
and out into drivers/lcd or wherever it'll end up.

I cannot drive it however, they seem to be using special
hardware I haven't got access to.

> They seems to have a support for HD44780 LCD controller.

That's not the tricky bit of this driver actually, though there
is sure code to be de-duplicated if LCD-linux is merged,
ARM have some special-purpose silicon to handle the
HD44780 e.g. to fire interrupts when the display responds
etc.

Yours,
Linus Walleij
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