Hi, thanks for the submission! On Tue, Mar 08, 2016 at 02:23:51AM +0800, Liguo Zhang wrote: > Signal complete() in the i2c irq handler after one transfer done, > and then wait_for_completion_timeout() will return, this procedure > may cost much time, so only signal complete() when the entire > transaction has been completed, it will reduce the entire transaction > time. > > Signed-off-by: Liguo Zhang <liguo.zhang@xxxxxxxxxxxx> I wonder. You have less context switches, yes. On the other hand, you likely have bigger interrupt latency because you do more stuff in the interrupt handler. Is it really a gain in the end? Regards, Wolfram
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