On Fri, Mar 30, 2018 at 03:50:44PM +0300, Sergey Suloev wrote:

> There is no need to handle 3/4 empty/full interrupts as
> the maximum supported transfer length in PIO mode is
> 128 bytes for sun6i- and 64 bytes for sun8i-family SoCs.

Surely the whole point of the 3/4 full interrupts is to allow the FIFO
to be refilled and enable longer transfers?

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