* Felipe Balbi | 2011-08-29 15:26:36 [+0300]: >Hi, Hi, >On Mon, Aug 29, 2011 at 01:48:14PM +0200, Sebastian Andrzej Siewior wrote: >> >A better approach might be to introduce a "quirks" field on struct >> >usb_gadget, as have gadget drivers check for that. Something like: >> > >> > if (gadget->quirks & GADGET_NEEDS_ALIGNED_OUT) >> > req->length = gadget->ep0->maxpacket; >> > else >> > req->length = len; >> >> This is bad because you have to ensure the buffer is large enough. For >> ep0 the composite framework allocated bMaxPacketSize0 anyway right? > >composite has a 1k buffer. The buffer has to be big enough for a big >load of descriptors. If so, why not unconditionally queue maxpacket size then? The host does not see a difference. Sebastian -- 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
