[PATCH v2] i2c: mediatek: i2c multi transfer optimization

[Wolfram Sang]

On Fri, Feb 26, 2016 at 01:35:39AM +0800, Liguo Zhang wrote:
> Send the next transfer in the i2c irq handler, and only signal
> complete() when the entire transaction has been completed.

This describes what you do. But not why. Is this an improvment of
throughput? Is there a downside of interrupt latency?

Thanks.

> 
> Signed-off-by: Liguo Zhang <liguo.zhang at mediatek.com>
> ---
> change in v2:
> Remove the unused variable left_num in mtk_i2c_transfer().
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