On Tue, Mar 22, 2011 at 02:41:38PM +0100, Sven Köhler wrote: > Am 22.03.2011 11:43, schrieb Johan Hovold: > > There is one more issue, though; the SAM-BA devices can not handle > > merged write request, that is, (at least to me) they seem to be > > violating the cdc specification: > > > > "The data is always a byte stream. The Data Class does not define the > > format of the stream, unless a protocol data wrapper is used." > > What you say is, that the SAM-BA device cannot handle the case that a > single command spreads among two packets, or if multiple commands are > contained in one packet? Multiple commands in one packet. > How did you test it? > Do you have test program? This was what made the generic usb-serial driver break when the write fifo was introduced, and why I wrote a custom write implementation for sam-ba, effectively by-passing the fifo. Johan -- 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
