dt-bindings: dma: stm32-dma3: prevent additional transfers

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Some devices require a single transfer. For example, reading FMC ECC status
registers does not support multiple transfers.
Add the possibility to prevent additional transfers, by setting bit 17 of
the 'DMA transfer requirements' bit mask.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241016-dma3-mp25-updates-v3-4-8311fe6f228d@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Amelie Delaunay 2024-10-16 14:39:56 +02:00 • committed by Vinod Koul

parent cb467c4511

commit e18a983023

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Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml

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