misc: rp1-pio: two small fixes and support for cyclic output DMA - #7663

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hansverkuil wants to merge 6 commits into

raspberrypi:rpi-6.18.yfrom

hansverkuil:rp1-pio-tx

Commits on Oct 5, 2026

misc: rp1-pio: name the DMA direction with a tx bool

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Hans Verkuil
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dfe187d
misc: rp1-pio: guard against unreasonable buffer allocations

Hans Verkuil
authored and
Hans Verkuil
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47dce2f
misc: rp1-pio: ensure >= 2 buffers are available for cyclic DMA
Hans Verkuil
committed
8b75817
misc: rp1-pio: fix cyclic RX flow control and overflow recovery

authored and
Hans Verkuil
committed
0cf57a9
misc: rp1-pio: harden cyclic RX overflow detection and recovery

authored and
Hans Verkuil
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d54178c
misc: rp1-pio: add cyclic DMA support for output

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Hans Verkuil
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331dc92