Re: USB 2.0 Mass storage device

[Greg KH <greg@kroah.com>]

On Thu, Feb 24, 2005 at 07:23:00PM +0100, Lukas Hejtmanek wrote:
> On Thu, Feb 24, 2005 at 10:13:47AM -0800, Greg KH wrote:
> > Is the ehci-hcd driver loaded?  And is your device a high speed one?
> > USB 2.0 support does not mean that it actually goes at high speeds, I
> > have a USB 2.0 "compliant" low speed USB keyboard here :)
> 
> Yes, ehci-hcd driver is loaded. (kernel is 2.6.11-rc3-bk4)
> 
> This is the device:
> http://www.msi.com.tw/program/support/download/dld/spt_dld_detail.php?UID=607&kind=6
> 
> Btw, I thought, that ehci-hcd driver handles both usb 2.0 and 1.1. Does it?

No, it hands off the usb 1.1 devices to the usb 1 core inside it.  This
is either uhci or ohci, depending on your controller chip.

Unless you put a USB 2.0 hub in front of a usb 1.1 device, then it gets
more complicated, but we'll just ignore that issue for now...

What does /proc/bus/usb/devices show for this device?

thanks,

greg k-h