Re: [PATCH 05/13] spi: axi-spi-engine: add SPI offload support

From: Mark Brown
Date: Wed Jan 10 2024 - 16:39:39 EST


On Wed, Jan 10, 2024 at 01:49:46PM -0600, David Lechner wrote:
> This adds an implementation of the SPI offload_ops to the AXI SPI Engine
> driver to provide offload support.
>
> Offload lookup is done by device property lookup. SPI Engine commands
> and tx data are recorded by writing to offload-specific FIFOs in the
> SPI Engine hardware.

Glancing through here I'm not seeing anything here that handles DMA
mapping, given that the controller will clearly be doing DMA here that
seems surprising.

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