Re: [coldsync-hackers] [patch] Linux/BSD USB support via libusb

[Johannes Erdfelt <johannes@erdfelt.com>]

On Sat, Sep 01, 2001, Greg KH <greg@kroah.com> wrote:
> On Sat, Sep 01, 2001 at 10:51:37AM -0400, Johannes Erdfelt wrote:
> > Speed is very good. I haven't looked at the code yet, but it looks like
> > the kernel visor driver is using a single URB of endpoint sized length.
> > This was causing a sync via pilot-xfer to go relatively slow.
> 
> visor.c is using multiple urbs of 768 bytes each submitting them with
> the QUEUE_BULK flag set.  On the uhci.o driver this causes slowdowns due
> to a bug in it :)

Woops, reading the wrong code. You're absolutely correct.

Atleast I was able to reproduce the problem :)

JE

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