On Tue, Aug 13, 2013 at 01:11:47PM -0500, Bin Liu wrote: > Sebastian, > > On Tue, Aug 13, 2013 at 12:38 PM, Sebastian Andrzej Siewior > <bigeasy@xxxxxxxxxxxxx> wrote: > > Since the musb-gadget code now calls the dma engine properly it is > > possible to enable it for the TX path in device mode. > > AM335x Advisory 1.0.13 says that we may lose the toggle bit on multiple > > RX transfers. There is a workaround in host mode but none in device mode > > and therefore RX transfers are disabled. > 1.0.13 only presents in PG1.0. It has been fixed in PG2.x. Maybe we > should check for silicon rev here? it would be quite difficult to check PG revision from this driver. It would have to be passed as a flag through DT or something similar. -- balbi
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