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From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: linux-fbdev-devel@lists.sourceforge.net,
	Nigel Cunningham <ncunningham@linuxmail.org>
Subject: Re: Devices don't get linked to their class.
Date: Sat, 4 Sep 2004 20:41:55 +0800	[thread overview]
Message-ID: <200409042041.55199.adaplas@hotpop.com> (raw)
In-Reply-To: <1094187751.2979.41.camel@laptop.cunninghams>

On Friday 03 September 2004 13:02, Nigel Cunningham wrote:
> This morning I began work on addressing the problem. I thought the best
> approach would be to use device classes to find the struct dev for the
> frame buffer driver, and then use the same code I use for storage
> devices to avoid suspending the frame buffer until later. I successfully
> wrote a helper to find the 'graphics' class that fbmem.c creates, but
> now I've run into a more serious issue. register_framebuffer (in the
> same time) calls class_simple_device_add with a NULL for the pointer to
> the struct device. Is it possible for this issue to be addressed? I can

I guess it's doable, but will require small changes to all framebuffer 
drivers.  All you need is struct device, right?  Maybe I can brew up a test 
patch next week.

> see that (at least in the Radeon case) one could simply call
> register_framebuffer with an additional parameter, but thought I'd email
> you and seek your wisdom.
>
> By the way, am I missing something? It looks like framebuffer_alloc does
> nothing with the dev parameter passed to it.

For now, yes.  Maybe in the future, when full-pledged sysfs support is 
added...

Tony




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  reply	other threads:[~2004-09-04 12:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-03  5:02 Devices don't get linked to their class Nigel Cunningham
2004-09-04 12:41 ` Antonino A. Daplas [this message]
2004-09-05  6:21   ` Nigel Cunningham
2004-09-05 10:40     ` Antonino A. Daplas
2004-09-05 21:45       ` Nigel Cunningham
2004-09-06  3:38       ` [PATCH] " Nigel Cunningham
     [not found]         ` <32016.10.250.10.1.1094456212.squirrel@sq04.pol.net>
2004-09-06 21:56           ` Nigel Cunningham
2004-09-07 19:50         ` Kronos
2004-09-08  0:55           ` Antonino A. Daplas
2004-09-08  3:21             ` Nigel Cunningham

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