linux-kernel - Re: [PATCH 10/11] viafb: rework the I2C support in the VIA framebuffer driver

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Message-ID: <20100423155725.7d3b2d2d@bike.lwn.net>
Date:	Fri, 23 Apr 2010 15:57:25 -0600
From:	Jonathan Corbet <corbet@....net>
To:	Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc:	linux-kernel@...r.kernel.org, Harald Welte <laforge@...monks.org>,
	Deepak Saxena <dsaxena@...top.org>,
	linux-fbdev@...r.kernel.org, JosephChan@....com.tw,
	ScottFang@...tech.com.cn
Subject: Re: [PATCH 10/11] viafb: rework the I2C support in the VIA
 framebuffer driver

On Fri, 23 Apr 2010 23:12:54 +0200
Florian Tobias Schandinat <FlorianSchandinat@....de> wrote:

> 1. while the module loads the screen shows some strange colours. The 
> colours itself do not worry me but it probably at least means that the 
> module load time was increased significantly (2-3 seconds, I guess)
> 
> 2. most annoyingly after this patch I can no longer get a working VGA 
> console after unbinding the module. Normally I just do:

Hmm...compiling the driver as a module is not really something that
makes sense on the OLPC platform, so I've never done it.

#1 is weird, there should be nothing there that slows initialization
down.  Putting in some prints and looking at the timing would be most
helpful here.

As for #2, I can certainly say that I've never unloaded this code, so
that's an untested path.  I'll have a look and see if I can see
anything obvious.

jon
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