On Mi, 2019-09-11 at 16:49 +0200, Philipp Puschmann wrote:
> Using only 4 DMA periods for UART RX is very few if we have a high
> frequency of small transfers - like in our case using Bluetooth with many
> small packets via UART - causing many dma transfers but in each only
> filling a fraction of
Using only 4 DMA periods for UART RX is very few if we have a high
frequency of small transfers - like in our case using Bluetooth with many
small packets via UART - causing many dma transfers but in each only
filling a fraction of a single buffer. Such a case may lead to the
situation that DMA RX
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