From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: sysdev_class use from DRM
Date: Thu, 30 Jun 2005 17:40:20 +0000 [thread overview]
Message-ID: <20050630174020.GA11676@kroah.com> (raw)
In-Reply-To: <9e473391050624071263dfbea7@mail.gmail.com>
On Fri, Jun 24, 2005 at 10:12:19AM -0400, Jon Smirl wrote:
> DRM has a model where it runs without attaching to the PCI device. It
> is doing this because the framebuffer devices are already attached to
> the device.
>
> Some developers want to add power manager support to the DRM drivers.
> Since the normal pm hooks are occupied they are doing this by creating
> a sysdev_class.
>
> static struct sysdev_class drm_sysdev_class = {
> set_kset_name("drm"),
> .resume = drm_resume,
> .suspend = drm_suspend,
> };
Ick, don't do this, this is a hack.
If you really just want to catch the reboot, add a reboot notifier hook
to your driver.
> Don't tell me to merge DRM/fbdev, that fight has been going on for two
> years now.
Well, that's the only real way to fix this. A simple single driver that
handles the pci registering and doles out the resources and callbacks to
the differnt DRM or fbdev driver is the way to go. I thought you all
were working on this a year ago...
thanks,
greg k-h
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next prev parent reply other threads:[~2005-06-30 17:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-24 14:12 sysdev_class use from DRM Jon Smirl
2005-06-24 19:21 ` Jon Smirl
2005-06-24 21:08 ` Dmitry Torokhov
2005-06-30 17:40 ` Greg KH [this message]
2005-06-30 20:55 ` Jon Smirl
2005-07-01 22:23 ` Greg KH
2005-07-01 23:18 ` Jon Smirl
2005-07-02 5:05 ` Greg KH
2005-07-02 13:34 ` Jon Smirl
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