On 2019-9-23 21:58 Philipp Puschmann wrote:
> For some years and since many kernel versions there are reports that the RX
> UART SDMA channel stops working at some point. The workaround was to
> disable DMA for RX. This commit fixes the problem itself. Cyclic DMA transfers
> are used by uart and o
For some years and since many kernel versions there are reports that the
RX UART SDMA channel stops working at some point. The workaround was to
disable DMA for RX. This commit fixes the problem itself. Cyclic DMA
transfers are used by uart and other drivers and these can fail in at
least two cases
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