[Linux-parport] Re: [RFC]: add sysfs support to parport_pc, v3
kay.sievers at vrfy.org
Thu Jan 5 16:25:11 EST 2006
On Thu, Jan 05, 2006 at 06:17:51PM +0200, Marko Kohtala wrote:
> 2006/1/5, Andrew Morton <akpm at osdl.org>:
> > "Jason Dravet" <dravet at hotmail.com> wrote:
> > > >From: Greg KH <greg at kroah.com>
> > > > > + * Added sysfs and udev - Jason Dravet <dravet at hotmail.com>
> > > > > */
> > 6 is OK - it's LP_MAJOR.
> > However 99 is JSFD_MAJOR, used by drivers/sbus/char/jsflash.c. And yet my
> > /dev/parport0 is also 99:0 (RH 7.3 and RH FC1). I've no idea how that came
> > about??
> > bix:/home/akpm> grep parport /etc/makedev.d/*
> > /etc/makedev.d/generic:a generic parport
> > /etc/makedev.d/linux-2.4.x:c $PRINTER 99 0 1 8 parport%d
> JSFD is a block device so tha majors are ok. I'm not just sure if the
> PP_MAJOR from linux/ppdev.h should be moved to major.h.
> The patch by Jason however is not ok. He had another problem and this
> is not the fix. What he tries to do is already in lp and ppdev, where
> I think they belong.
Yeah, I was wondering about it too.
> There is also something weird: why does RedHat create these nodes in
> /dev when udev already does that.
Probably cause they want to be safe if nothing from their sysconfig loads
the module. Opening the node will autoload it then.
More information about the Linux-parport