device driver info

Martijn van Oosterhout kleptog at
Wed Jun 19 10:32:33 EST 2002

On Wed, Jun 19, 2002 at 08:29:30AM +1000, Simon Burton wrote:
> Hello good CLUGers,
> How do i find what driver is connected
> to what device file?
> something in /proc?

IIRC, /proc/devices describes what major number go to what "device" and you
may be able to work the driver from them. For non-loaded drivers I have no

> How to find what parameters a driver
> accepts ("dma=1" "joystick=0x200" etc.) ?

The source for modules contains stuff like MODULE_PARAM() for that. Maybe a
grep? The stuff is included in the object file so you may be able to use
objdump to get the info.

Martijn van Oosterhout   <kleptog at>
> There are 10 kinds of people in the world, those that can do binary
> arithmetic and those that can't.

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