Messages in this thread | | | Date | Thu, 18 Nov 2010 09:58:32 -0800 | From | Greg KH <> | Subject | Re: How do I choose an arbitrary minor number for my tty device? |
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On Thu, Nov 18, 2010 at 11:38:07AM -0600, Timur Tabi wrote: > Greg KH wrote: > > > No, you can use the /dev/serial/ links to determine exactly which is > > which depending on the pci id, and other unique identifiers (serial > > numbers, etc.) > > I just booted a Linux kernel with the driver I just emailed you, and there's no > /dev/serial/ directory. The only directories under /dev/ are 'shm' and 'pts', > both of which are empty.
Then plug in a serial port device and see what happens. You didn't hook everything up in your driver correctly it seems, do your devices show up under /sys/class/tty?
> I'm also running a Fedora 13 x86 system, just to see if I need a full modern OS > to see these files. Again, there is no /dev/serial/, even though I have serial > ports.
Dynamic ones like a usb to serial device?
> Also not that since I'm not registering the byte channels as serial devices, I > wouldn't expect anything in /dev/serial/ to reference them. > > What does my driver need to do in order for these /dev/xxxx/ entries to contain > that information?
See the udev rules for details.
> > Is this somehow not public code? What just changed in the past 15 > > minutes? > > Sorry, when I said "not public", I didn't mean it in a legal sense. Now that I > think about it, I guess that doesn't make much sense.
Yes, it didn't :)
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