Re: [PATCH 2/3] ASoC: fsl_ssi: Add dual fifo mode support

From: Timur Tabi
Date: Tue Oct 29 2013 - 08:42:52 EST

Nicolin Chen wrote:
By enabling dual fifo mode, it would allow SSI enter a better performance
to transimit/receive data without occasional hardware underrun/overrun.

Have you measured any real performance gain with this patch? I considered adding dual-FIFO support when I originally wrote this driver, but it didn't appear to have any real benefit, but it used twice as many DMA channels.

I'm concerned that this is another patch that just enables a useless feature.
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