Hi again, On Mon, Dec 22, 2014 at 10:11:23AM -0600, Felipe Balbi wrote: > (please don't top-post) > > On Sun, Dec 14, 2014 at 08:39:18AM +0530, sundeep subbaraya wrote: > > Hi Paul, > > > > As per my understanding, for BULK OUT we do queue a request with 512 > > bytes length since we do not > > sometimes we _do_ know the size. In case of Mass Storage, we _know_ that > the first bulk out transfer will be 31-bytes (CBW), if we were to start > a 31-byte transfer, we would't receive anything. > > > know the length of the transfer Host is going to send. For Control OUT > > we know the length in wLength of > > Setup packet, hence I assumed there is no difference in programming > > model of Control IN and OUT. > > there is _no_ difference. It's just that it was agreed that for anything > other than control ep, the function drivers would take care of it. See > the uses of quirk_ep_out_aligned_size. btw, why are you reimplementing the driver when there's a perfectly good driver to use in mainline kernel ? -- balbi
Attachment:
signature.asc
Description: Digital signature
