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title: I2C; update DMAENGINE API to avoid deprecated functions
team: IO
key: 80032418-faad-11eb-80f4-3fc903436b31
status: New
comments:
- "dmaengine_terminate_all() is deprecated and needs to be replaced"
- "because we set up DMA transfers in irq context, we need dmaengine_terminate_async() instead"
- "this needs synchronization code to avoid race conditions"
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