Date: Fri, 03 Dec 2004 13:39:36 -0800 From: Julian Elischer <julian@elischer.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-usb@freebsd.org Subject: Re: Question about pipes and ugen Message-ID: <41B0DD18.9080300@elischer.org> In-Reply-To: <20041203.133422.67680751.imp@bsdimp.com> References: <41AE5B3C.8010003@elischer.org> <20041201.204502.51859780.imp@bsdimp.com> <41B0C118.8070001@elischer.org> <20041203.133422.67680751.imp@bsdimp.com>
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M. Warner Losh wrote: >In message: <41B0C118.8070001@elischer.org> > Julian Elischer <julian@elischer.org> writes: >: I didn't say stack.. I said libusb (excepty I spelled it usblib) > >OK. I got confused... > >: it recovers on several machines where FreeBSD looses communications with >: the target after an error. > >Hmmmm. Actually, FreeBSD does do the ClearFeature(Halt) on opening of >pipes by the driver (which ugen does each time the pipe subdevice is >opened). ClearFeature(Stall) was unfortunately typed from memory >rather than looking at the standard (section 9.4.5). What were you >thinking about changing in this area? > BTW it does the halt too late.. by that time it has already tried to do other opertations that have probably timed out (at least on the stupid device I have) so it's aborted before it ever gets to the ClearFeature(Halt). > >Warner >_______________________________________________ >freebsd-usb@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-usb >To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org" > >
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