On Thu, Apr 14, 2011 at 05:39:18PM +0200, Mian Yousaf Kaukab wrote: > On 04/14/2011 05:31 PM, Alan Stern wrote: > >On Wed, 13 Apr 2011 gregkh@xxxxxxx wrote: > >> From 806e8f8fcc27e1753947bd9f059ba2316cf8f92a Mon Sep 17 00:00:00 2001 > >>From: Mian Yousaf Kaukab<mian.yousaf.kaukab@xxxxxxxxxxxxxx> > >>Date: Thu, 24 Mar 2011 12:20:13 +0100 > >>Subject: usb: usb_storage: do not align length of request for CBW to maxp size > >The necessity for this patch has been under discussion. > > > >It turns out the UDC that Mian has been working on and Felipe's UDC > >have contradictory requirements. Mian's UDC driver wants a bulk-OUT > >transfer length to be shorter than the maxpacket size if a short packet > >is expected, whereas Felipe's UDC hardware always needs bulk-OUT > >transfer lengths to be evenly divisible by the maxpacket size. > > > >Mian has agreed to go back over the driver to resolve this conflict. > >This means we probably will not want this patch after all. (In fact, > >we may ultimately decide to change the gadget framework to require that > >bulk-OUT transfer lengths _always_ be divisible by the maxpacket size > >-- only the g_file_storage and g_mass_storage gadgets would need to be > >changed.) > > > >Mian, should Greg revert this patch now? I think we will want to > >revert it eventually... > Yes sure. Greg please drop this one. Ok, thanks for letting me know, it's now reverted. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
