[alsa-devel] [PATCH v2 05/11] ASoC: fsl-ssi: Add support for imx-pcm-fiq
timur at tabi.org
Sun Apr 14 16:53:57 CEST 2013
Markus Pargmann wrote:
> In general, imx27 does support SSI with DMA, for example
> MACH_IMX27_VISSTRIM_M10 does use SSI with DMA. But there are special
> boards like Eukrea TLV320 and phycore-ac97 that have to use FIQ instead.
> All of them have a imx27 chip.
Why is the decision to use FIQ board-specific? All of the hardware is
inside the SoC itself. How could a board make using DMA impossible?
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