samd: the most obnoxious possible workaround for DMA freeze#2416
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jepler wants to merge 1 commit into
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.. is to simply not do DMA for SPI devices at all.
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We'll be able to do better than this :) |
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.. is to simply not do DMA for SPI devices at all.
Putting this up but in "draft" state because I don't want something like this to be merged. But it did keep an audio + display app running for 2+ days without lockup, and as a last ditch we could do this, neatened up a bit to only disable DMA while there's ongoing audio.