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@pelwell pelwell commented Mar 18, 2025

Creating a clone of #6371 for diagnostic purposes. See #6365 (again).

Some recent DMA changes have led to data loss in UART0 on Pi 5. It also
seems that even prior to these changes there was a problem with aborted
transfers.

As this is the only RP1 UART configured for DMA, it is better to remove
the DMA usage until it is shown to be reliable.

Link: raspberrypi#6365

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
@lurch
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lurch commented Mar 26, 2025

I guess this has been superseded by #6742 ?

@pelwell pelwell closed this Mar 26, 2025
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2 participants