Hi, >> Please see: >> http://marc.info/?l=linux-usb&m=129906859817430&w=2 > > Ah, thanks. So sadly uncoordinated work in this area is quite common. > However, in case of Synopsys the situation is even more disappointing > because initially it _was_ a single driver! What probably lacked was some > shared repository and proper communication between developers to stay in > sync. Maybe there were also licensing issues at some point, though currently > file headers contain rather reasonable (imho) permissive license from > Synopsys. I think there is a confusion : there 2 usb controller sold by Synopsys : - the one they buy from chip-idea (the ehci one extended to do otg and handle full-speed device without companion). This driver got more than one udc driver. - the one they did : DesignWare USB OTG. Most of the scheduling is done with software (at least for the version we had) : it make impossible to use full speed serial device on a high speed hub (irq storm due to split transaction). I think the driver of Nikolai is the second one. Matthieu -- 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
