What, exactly, is a "bitstuff error" and "PID problems"?

Matt

On Thu, Dec 06, 2001 at 01:41:05PM -0800, David Brownell wrote:
> > Error -71 is EPROTO, but why do I get it all of a sudden? The only places I
> > see it returned in the code are in uhci.c and usb-uhci.c. But this is OHCI...
> 
> The current "usb-ohci.c" uses the <linux/usb.h> USB_ST_* macros,
> which use EPROTO for USB_ST_BITSTUFF and in one other
> place that OHCI doesn't trigger.
> 
> In drivers/usb/usb-ohci.h I see USB_ST_BITSTUFF for three errors
> that the hardware reports -- bitstuffing errors and PID problems.
> 
> Unclear why you get it "all of a sudden".
> 
> - Dave
> 
> 
> 
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-- 
Matthew Dharm                              Home: [EMAIL PROTECTED] 
Maintainer, Linux USB Mass Storage Driver

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