EPIA PCI slot
Eric W. Biederman
ebiederman at lnxi.com
Thu Jun 12 15:18:01 CEST 2003
"Brian G. Rhodes" <bgr at gw.linespeed.net> writes:
> I was always under the impression that the BIOS should enable a device
> (bus master) always. And slaves would not be able to be set.
Nope. The BIOS only needs to do this for devices needed to boot.
> devices set a capability which you can read this from to know whether the
> device should be a master or not.
> Why, or where, should the OS do it? Driver?
Yes, in the driver. Under linux this is the pci_set_master call.
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