Re: Linux USB Documentation

On Fri, 16 Nov 2007, Srinivas G. wrote:

> Dear All,
> 
> I am a Linux device driver developer. I have developed the USB client
> driver in the Linux environment. For this, I have followed the Rubini's
> 3rd Edition LLD book. Now I want to know the interaction among the Linux
> OS, USB Stack and HCD (Host Controller Driver). I mean, what are the
> modules exists in the stack and how they interacts with the OS as well
> as HCD? Suppose, how the HCD driver intimates the stack about when a new
> device attached to the host controller? I think, it is through some
> event mechanism, but I need code flow.

> I have gone through the following links.
> http://www.linux-usb.org
> http://www.linux-usb.org/USB-guide/book1.html
> http://it.linux-usb.org/FAQ.html
> http://tldp.org/
> http://www.tux.org/lkml/index.html
> http://www.linux-usb.org/usb2.html
> 
> I did not get the information that I need (that is flow among OS, Stack
> and HCD). All these links have old information and I am looking into the
> latest kernel version 2.6.22.
> 
> So I would be happy if you could provide me some pointers (links) or
> some good explanation on it.

There is no detailed documentation; there is only the source code.

If you have some specific questions, you can post them to the mailing 
list.

Alan Stern


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