Hello David Few dumb questions.
Where in the driver source code would like to insert the dbg_qh() and dbg_qtd() ? Will turning on the ehci verbose debugging provide the information that you are looking for? Regards Vivek -----Original Message----- From: David Brownell [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 07, 2006 4:03 PM To: Vivek Dharmadhikari Cc: Alan Stern; USB development list Subject: Re: [linux-usb-devel] Usb hangs during small and large file transfer On Wednesday 07 June 2006 3:23 pm, Vivek Dharmadhikari wrote: > > How do i dump, QH and its associated QTDs ? Try dbg_qh() and dbg_qtd() ... see ehci-dbg.c for examples of scanning the qtd list. > >I don't see this happening ... it's not supposed to, and I just looked > >at how the bits affecting PING are managed in the EHCI driver to verify > >that it seems to be coded right. > > Can you elaborate more on the above. I did not understand it. See the EHCI spec and the ehci-q.c file ... the spec will show the bits (search for PING) and the code will show how they're manipulated. _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
