dma generic offload engine subsystem · Maintained

Maintainers

• M Vinod Koul <vkoul@kernel.org>
• R Frank Li <Frank.Li@kernel.org>

Paths

• F Documentation/devicetree/bindings/dma/
• F Documentation/driver-api/dmaengine/
• F drivers/dma/
• F include/dt-bindings/dma/
• F include/linux/dma/
• F include/linux/dmaengine.h
• F include/linux/of_dma.h

Last 30 days

Active reviewers (last 30 days)

• Frank Li <Frank.Li@nxp.com>
  3 attestations (3 Reviewed-by) · last on 2026-06-11

Recent patches

Most-recent 30 patches in this subsystem on linuxppc-dev (capped at 30), ordered by date desc.

• COLD28d [PATCHv4 15/15] dmaengine: fsldma: fix kernel-doc param names to match function signatures
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 14/15] dmaengine: fsldma: replace ppc-specific accessors with portable generic ones
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 13/15] dmaengine: fsldma: replace irq_of_parse_and_map with of_irq_get
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 12/15] dmaengine: fsldma: use devm_of_iomap() to simplify code
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 11/15] dmaengine: fsldma: convert channel allocation to devm_kzalloc()
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 10/15] dmaengine: fsldma: use devm_platform_ioremap_resource()
  2026-06-11 · Rosen Penev <hidden>
• COLD28d REVIEWED: 13 (13M) [PATCHv4 08/15] dmaengine: fsldma: convert to platform_get_irq_optional()
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 09/15] dmaengine: fsldma: use devm_kzalloc() to simplify code
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 07/15] dmaengine: fsldma: fix request_irqs unwind freeing unregistered IRQ
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 06/15] dmaengine: fsldma: fix probe error path not freeing IRQs
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 05/15] dmaengine: fsldma: check dma_async_device_register() return value
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 04/15] dmaengine: fsldma: provide device_release callback
  2026-06-11 · Rosen Penev <hidden>
• COLD28d REVIEWED: 13 (13M) [PATCHv4 03/15] dmaengine: fsldma: halt DMA engine before freeing resources
  2026-06-11 · Rosen Penev <hidden>
• COLD28d [PATCHv4 02/15] dmaengine: fsldma: drop desc_lock before invoking client callback
  2026-06-11 · Rosen Penev <hidden>
• COLD28d REVIEWED: 13 (13M) [PATCHv4 01/15] dmaengine: fsldma: kill tasklet before removing channel
  2026-06-11 · Rosen Penev <hidden>
• COLD30d [PATCHv3 15/15] dmaengine: fsldma: fix kernel-doc param names to match function signatures
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 14/15] dmaengine: fsldma: replace ppc-specific accessors with portable generic ones
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 13/15] dmaengine: fsldma: replace irq_of_parse_and_map with of_irq_get
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 12/15] dmaengine: fsldma: use devm for of_iomap()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 11/15] dmaengine: fsldma: convert channel allocation to devm_kzalloc()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 10/15] dmaengine: fsldma: use devm_platform_ioremap_resource()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 09/15] dmaengine: fsldma: use devm for kzalloc()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 08/15] dmaengine: fsldma: convert to platform_get_irq_optional()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 07/15] dmaengine: fsldma: fix request_irqs unwind freeing unregistered IRQ
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 06/15] dmaengine: fsldma: fix probe error path not freeing IRQs
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 05/15] dmaengine: fsldma: check dma_async_device_register() return value
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 04/15] dmaengine: fsldma: provide device_release callback
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 03/15] dmaengine: fsldma: halt DMA engine before freeing resources
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 02/15] dmaengine: fsldma: drop desc_lock before invoking client callback
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 01/15] dmaengine: fsldma: kill tasklet before removing channel
  2026-06-09 · Rosen Penev <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD28d REVIEWED: 13 (13M) [PATCHv4 01/15] dmaengine: fsldma: kill tasklet before removing channel
  2026-06-11 · Rosen Penev <hidden> · 1 Reviewed-by
• COLD28d REVIEWED: 13 (13M) [PATCHv4 03/15] dmaengine: fsldma: halt DMA engine before freeing resources
  2026-06-11 · Rosen Penev <hidden> · 1 Reviewed-by
• COLD28d REVIEWED: 13 (13M) [PATCHv4 08/15] dmaengine: fsldma: convert to platform_get_irq_optional()
  2026-06-11 · Rosen Penev <hidden> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE106d [PATCH 08/17] raid6: hide internals
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• COOLING14d [PATCH 09/19] raid6: hide internals
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• COLD34d [PATCH 02/10] dmaengine: fsldma: check dma_async_device_register() return value
  2026-06-05 · Rosen Penev <hidden>
• COLD34d [PATCH 03/10] dmaengine: fsldma: convert to platform_get_irq_optional()
  2026-06-05 · Rosen Penev <hidden>
• COLD34d [PATCH 10/10] dmaengine: fsldma: replace ppc-specific accessors with portable generic ones
  2026-06-05 · Rosen Penev <hidden>
• COLD30d [PATCHv3 06/15] dmaengine: fsldma: fix probe error path not freeing IRQs
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 11/15] dmaengine: fsldma: convert channel allocation to devm_kzalloc()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 10/15] dmaengine: fsldma: use devm_platform_ioremap_resource()
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 14/15] dmaengine: fsldma: replace ppc-specific accessors with portable generic ones
  2026-06-09 · Rosen Penev <hidden>
• COLD30d [PATCHv3 15/15] dmaengine: fsldma: fix kernel-doc param names to match function signatures
  2026-06-09 · Rosen Penev <hidden>