Messages in this thread | | | Date | Tue, 30 Dec 2008 16:05:32 +0100 (CET) | From | Geert Uytterhoeven <> | Subject | Re: Question about several drivers for one physical device |
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On Tue, 30 Dec 2008, Per Andreas Gulbrandsen wrote: > I have two drivers that both use the same device, an FPGA connected > via pci. These two pci drivers represent different functionality in > the FPGA, and they each have it's own BAR. My problem is that I can't > get these two drivers to correctly initialize. Only the first one > loaded actually finds the device (which one of the two doesn't > matter). The second driver I load never has it's probe method run, and > so it doesn't initialize correctly. I am aware that integrating these > two drivers in one module is a possiblity, but since these two drivers > aren't really related (except that they both drive an FPGA) I would > like to keep them as two separate modules. My question is really: Is > there another way to do this, or will I have to integrate the two so > they share init/exit/probe methods?
You can create a third driver that binds to the PCI device and creates a new bus type with two devices. Then the two other drivers can bind to the latter two devices.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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