Re: [LinuxBIOS] #57: libusb host program for PLX NET20DC debug device

On Fri, Dec 01, 2006 at 10:55:48AM -0800, Lu, Yinghai wrote:
-----Original Message-----
From: Greg KH [mailto:gregkh@xxxxxxx]

I can do that in about 15 minutes if you give me the device ids for the
usb debug device that you wish to have.

Or you can also use the generic usb-serial driver today just fine with
no modification. Have you had a problem with using that option?

We are talking about using USB debug device/EHCI debug port in LinuxBIOS
in legacy free PC.
Because one AM2+MCP55 MB doesn't have serial port.

I guess Eric is working on USB debug device/EHCI debug port for
earlyprintk or printk.

Well, earlyprintk will not work, as you need PCI up and running.

And I have some code that barely works for this already, perhaps Eric
and I should work together on this :)

So we need one client program on host side. So it would great if we
could use current USB stack for
the clients on system even without debug port.

Yes, that will work just fine today using the usb-serial generic driver.
I'll knock up a "real" driver for the device later today and send it to
Linus, as it's trivial to do so, and will make it simpler than using the
module parameters.

thanks,

greg k-h
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