On Wed, Sep 24, 2014 at 03:31:13PM -0400, Alan Stern wrote: > On Wed, 24 Sep 2014, Felipe Balbi wrote: > > > > > According to the kerneldoc for usb_ep_set_halt: > > > > > > > > * Attempts to halt IN endpoints will fail (returning -EAGAIN) if any > > > > * transfer requests are still queued, or if the controller hardware > > > > * (usually a FIFO) still holds bytes that the host hasn't collected. > > > > > > damn old bugs :-) I'll fix that up and Cc stable. > > > > alright fixed. Below you can see a combined diff which I'll still split > > into patches so they can be applied properly. > > And this eliminates the problems you saw with g_mass_storage? yup, working with and without stall=0, with and without debugging on. On all three systems I tested before ;-) -- balbi
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