On Sun, Feb 12, 2006 at 10:14:06PM +0100, Olivier Galibert wrote:
> On Sun, Feb 12, 2006 at 08:46:33AM -0800, Greg KH wrote:
> > On Sun, Feb 12, 2006 at 01:04:51PM +0100, Olivier Galibert wrote:
> > > You need to call udevinfo for that, or parse /dev/.udev/*. Do you
> > > think it would be possible to have hotplug/udev/whatever exists in the
> > > future to give that information back in the kernel and have it appear
> > > in sysfs?
> >
> > No. Why would it when it is very simple to query udevinfo for that?
>
> In order not to depend on a userland package for the kernel service of
> device enumeration? It's udevinfo now, what will it be in two years?
WTF? You are depending on that same program to create your device
nodes. If you don't want to use that program to do it, then use
something else, or use a static device tree, which works like always.
sysfs exports everything that userspace needs to know, if it wants to
create a device node to talk to that specific device. udev used it to
create your /dev tree, while other programs use it to create temporary
device nodes to do other things to your devices. Either way, the kernel
doesn't know, or care what you call those device nodes.
thanks,
greg k-h
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