linux-kernel - Re: [PATCH] fbdev sysfs imrovements

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Message-Id: <20070326195807.184474d7.akpm@linux-foundation.org>
Date:	Mon, 26 Mar 2007 19:58:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	James Simmons <jsimmons@...radead.org>
Cc:	"Antonino A. Daplas" <adaplas@...il.com>,
	Linux Fbdev development list 
	<linux-fbdev-devel@...ts.sourceforge.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg KH <greg@...ah.com>
Subject: Re: [PATCH] fbdev sysfs imrovements

On Tue, 20 Mar 2007 14:25:49 +0000 (GMT) James Simmons <jsimmons@...radead.org> wrote:

> This patch does several things to allow the underlying hardware to be 
> shared amount many devices. The most important thing is the use of
> the created device via device_create instead of the hardware device. No 
> longer should fbdev drivers use the xxx_set_drvdata with the parent
> bus device. The second change is having a bus independent power management
> for the framebuffer driver. The final change is using the release method 
> to cleanup the device. The reason again is to make the fbdev driver 
> independent of the bus parent device. Feedback is welcomed.

Causes an early crash on the powermac G5.

http://userweb.kernel.org/~akpm/s5000489.jpg (the oops is the usual powerpc
mess)

config at http://userweb.kernel.org/~akpm/config-g5.txt
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