Hi, John Youn <John.Youn@xxxxxxxxxxxx> writes: > 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. hey, that's great. So what's the idea ? static resource assignment on endpoint initialization ? -- balbi
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