Yeah. In case you use devfs than it should be like you say
(at least NAPI says so)..
The can I ask you how can I use devfs also (I am not a
linux
guru myself)? ;)
> > How does the use of devfs relate to the question below?
> AFAIK one of the
> > key points of devfs is to stop using major and minor
> numbers when binding
> > drivers to devices. So if I'm using devfs, I'm assuming,
I
> don't have to
> > worry about the number of my dvb cards?
> >
> > Br, Lauri
> >
> > On Tue, Feb 12, 2002 at 03:42:07PM -0800, Aurelian Pop
> wrote:
> > >
> > > Hello List,
> > >
> > >
> > > When I use the default sources from CVS, in the
> "DVB/drivers/makedev.napi" file, there are being made 3
sets
> of device files (0-2).
> > > Basically if you want to use a DVB card, you open the
> device files you need and play with them using the NAPI.
The
> only trouble comes when you use more than 3 cards on the
> same machine.
> > > Although the DVB_NUM_DEVICES is set to 16, in that
> particular file, there are only 3 sets of device files
> created.
> > > The original "DVB/drivers/makedev.napi" file looks
like
> this:
> > >
> > >
> > >
> > > BEGIN
> > > ************************************************
> > > rm -rf /dev/ost
> > > rm -rf /dev/ost
> > >
> > > mkdir /dev/ost
> > > chmod 755 /dev/ost
> > > mknod -m 0666 /dev/ost/video0 c 250 0
> > > mknod -m 0666 /dev/ost/audio0 c 250 1
> > > mknod -m 0666 /dev/ost/sec0 c 250 2
> > > mknod -m 0666 /dev/ost/frontend0 c 250 3
> > > mknod -m 0666 /dev/ost/demux0 c 250 4
> > > mknod -m 0666 /dev/ost/dvr0 c 250 5
> > > mknod -m 0666 /dev/ost/ca0 c 250 6
> > > mknod -m 0666 /dev/ost/net0 c 250 7
> > > mknod -m 0666 /dev/ost/osd0 c 250 8
> > >
> > > mknod -m 0666 /dev/ost/video1 c 250 64
> > > mknod -m 0666 /dev/ost/audio1 c 250 65
> > > mknod -m 0666 /dev/ost/sec1 c 250 66
> > > mknod -m 0666 /dev/ost/frontend1 c 250 67
> > > mknod -m 0666 /dev/ost/demux1 c 250 68
> > > mknod -m 0666 /dev/ost/dvr1 c 250 69
> > > mknod -m 0666 /dev/ost/ca1 c 250 70
> > > mknod -m 0666 /dev/ost/net1 c 250 71
> > > mknod -m 0666 /dev/ost/osd1 c 250 72
> > >
> > > mknod -m 0666 /dev/ost/video2 c 250 128
> > > mknod -m 0666 /dev/ost/audio2 c 250 129
> > > mknod -m 0666 /dev/ost/sec2 c 250 130
> > > mknod -m 0666 /dev/ost/frontend2 c 250 131
> > > mknod -m 0666 /dev/ost/demux2 c 250 132
> > > mknod -m 0666 /dev/ost/dvr2 c 250 133
> > > mknod -m 0666 /dev/ost/ca2 c 250 134
> > > mknod -m 0666 /dev/ost/net2 c 250 135
> > > mknod -m 0666 /dev/ost/osd2 c 250 136
> > >
> > > cd /dev/ost
> > > ln -s ca0 ca
> > > ln -s video0 video
> > > ln -s sec0 sec
> > > ln -s audio0 audio
> > > ln -s frontend0 frontend
> > > ln -s demux0 demux
> > > ln -s dvr0 dvr
> > > ln -s osd0 osd
> > > ln -s net0 net
> > >
> > >
> > >
> > > ************************************************
> > > END
> > >
> > >
> > >
> > > As you can see, the're a leap of 64 for every set in
the
> minor description.
> > > I have changed this file by adding another set (3)
using
> minors from 192 to 200, because I have currently 4 DVB-S
on
> my box, and it works.
> > > My question is: can I modify this file so that I can
> change this gap (in some cases it might be called a
> minor-shift number) between the drivers, and if NOT, then
it
> means that we cannot use more than 4 DVB cards (>255!!!)
on
> the same machine (remember the DVB_NUM_DEVICES in dvbdev.h
> is set to 16!) ???
> > >
> > >
> > > Thanks for any reply.
> > > Aurelian
> > >
> > >
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> >
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