On Fri, Aug 13, 2010 at 10:36 AM, Greg KH <greg@xxxxxxxxx> wrote: > On Fri, Aug 13, 2010 at 10:18:12AM +0800, Yuping Luo wrote: >> On Fri, Aug 13, 2010 at 7:50 AM, Greg KH <greg@xxxxxxxxx> wrote: >> > On Thu, Aug 12, 2010 at 07:46:57PM +0800, Yuping Luo wrote: >> >> >> got it, I have found your name in the spec. dfu only use the control EP,and I >> am wondering why bulk EP not used for data transfer. > > I think because it was the least common thing that all devices were > required to have. At the time, there were a lot of chips that only had > control endpoints. I see, thanks. >> > What is the real issue you are having here? >> > confused, >> > >> the usb core only allow 4KB ( 1 page for ARM arch) for each transfer, and >> I have to change it to use 16KB for higher burning speed. > > Then use something other than DFU if that works better for you. There's > no requirement to use DFU. will do. Thanks Yuping -- 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
