Hi Chris, > [<bf9921e7>] (tmio_mmc_dma_callback) from [<bf908e1b>] (rzadma_tasklet+0x23/0x98) For SYS-DMAC, this is a callback called by the dmaengine core once the DMA is completed. My guess is you call it directly from an interrupt handler? It would be easier to talk over code here, I guess. > Is it now a requirement that I have to register my DMA channel > interrupts as devm_request_threaded_irq? > > Will that fix my issue? I can't say yet if this alone will do. Likely not. Can you share the code already? Isn't it SYS-DMAC compatible (sigh)? Regards, Wolfram
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