Messages in this thread | | | Date | Sat, 07 Apr 2001 13:33:25 +0200 | From | Michael Reinelt <> | Subject | Re: Multi-function PCI devices |
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Jeff Garzik wrote: > > Michael Reinelt wrote: > > basically an extension of the pci id tables; and I hope it's in the > > queue for the official kernel. > > Where is this patch available? I haven't heard of an extension to the > pci id tables, so I wonder if it's really in the queue for the official > kernel.
The patches went to Jens Maurer (pci_ids.h), Theodore Y. Ts'o (serial.c and pci_ids.h) and Tim Waugh (parport_pc.c and pci_ids.h).
Well, and 'extension' may be the wrong word. I just added entries to pci_ids.h and to the detection tables in parport_pc.c and serial.c
> > pci_announce_device() will be called only if there's no other driver > > claiming the device. This explains why either the parallel or the serial > > port will be detected: The first driver loaded will see the device, the > > next drivers won't.
> There is no need to register more than one driver per PCI device -- just > create a PCI driver whose probe routine registers serial and parallel, > and whose remove routine unregisters same.
This means create a new module, which does the detection and uses serial.c and parport_pc.c? I could do this (at least try to :-), but I'd need some help here. I'm not a kernel hacker, and don't know much about the pci code, module dependencies, driver tables, hotplugging and all that stuff. If someone could provide a small sample (or skeleton) code for this, I'd try my best....
On the other hand, how should the serial and parallel driver detect the netmos card, if it's a independant module? How could this interfere with devfs? How should devfsd know if it should load serial.o or netmos.o?
Adding PCI entries to both serial.c and parport_pc.c was that easy....
bye, Michael
-- netWorks Vox: +43 316 692396 Michael Reinelt Fax: +43 316 692343 Geisslergasse 4 GSM: +43 676 3079941 A-8045 Graz, Austria e-mail: reinelt@eunet.at - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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