On Fri, Dec 17, 2010 at 03:35:27PM -0800, Greg KH wrote: > On Sat, Dec 18, 2010 at 12:17:40AM +0100, Oliver Neukum wrote: > > Am Samstag, 18. Dezember 2010, 00:09:40 schrieb Greg KH: > > > I still don't like it, it feels like a hack that is not going to be able > > > to be maintained very well. > > > > > > And I still think the individual drivers should be fixed... > > > > > > > But they are not buggy. The USB API was written under the > > assumption that HCDs can deal with byte level granularity and alignment. > > Hence the network driver pass DMA-able memory with an alignment > > that suits them. > > Ok, fair enough. > > But I still don't like that urb flag stuff as a solution to this... Yeah, I wish I knew of a better way to store this information. urb->hcpriv seems like a nice place for host controller-private data, but it's used by the general ehci framework throughout the lifetime of an URB so isn't suitable for this case. Thanks, Robert > thanks, > > 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
