On 2/10/2016 1:07 PM, Felipe Balbi wrote: > John Youn <John.Youn@xxxxxxxxxxxx> writes: >>>> Basically assign all the resources in advance. >>> >>> I thought about that, but wouldn't this, essentially, enable all >>> endpoints unconditionally ? This could, potentially, increase power >>> consumption on some systems, right ? This could also cause "spurious" >>> interrupts if a bogus host tries to move data on an endpoint which >>> hasn't been enabled yet. >> >> No, I mean to just assign resources withouth configuring or enabling >> the endpoint. I have tested this approach and it works. But I still > > oh ok. > >> need to verify that it won't conflict with anything, such as streams. > > yeah, we would probably have an issue with streams. IIRC, we allocate > one transfer resource per stream, right ? Ends up that is not a concern. Streams always use a single resource per endpoint, not stream. John -- 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
