Am Freitag, 5. März 2010 21:10:17 schrieben Sie: > This patch (as1350) removes all usages of coherent buffers for USB > control-request setup-packet buffers. There's no good reason to > reserve coherent memory for these things; control requests are hardly > ever used in large quantity (the major exception is firmware > transfers, and they aren't time-critical). Furthermore, only seven > drivers used it. We might as well always use streaming DMA mappings > for setup-packet buffers, and remove some extra complexity from > usbcore. 1. Are you sure about speed concerning CB(I) storage devices? 2. Isn't that introducing an asymmetry into the API? Regards Oliver -- 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
