Subject: Re: looking for devices on PCI bus [II]
To: matthew green <>
From: Jason R Thorpe <>
List: tech-kern
Date: 05/03/2001 16:28:32
On Fri, May 04, 2001 at 09:22:59AM +1000, matthew green wrote:

 > the only question that i have is is it *right* to pass the PCI bus number?
 > i seem to recall wanting to do this some time in the past and then
 > convincing myself that it wasn't the right thing to do.  but i can't think
 > of anything now to support that.  (also, don't the proposed function(s)
 > _also_ require knowledge of the PCI bus number?  they seem to have a "int
 > busno" argument.)

You have to have a PCI "bus number" in order to build a tag to read
configuration space.  It just so happens that the tag is already
created for you most of the time.

        -- Jason R. Thorpe <>