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

Most active threads (last 7 days)

• HOTtoday [PATCH v24 00/14] crypto/dmaengine: qce: introduce BAM locking and use DMA for register I/O
  2026-07-23 17:09 · 6 replies in 7d · Bartosz Golaszewski <hidden>
• WARM1d [PATCH v23 00/14] crypto/dmaengine: qce: introduce BAM locking and use DMA for register I/O
  2026-07-21 13:33 · 6 replies in 7d · Bartosz Golaszewski <hidden>
• WARM1d Re: [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-23 10:04 · 2 replies in 7d · Stephan Gerhold <hidden>

Active reviewers (last 30 days)

• Manivannan Sadhasivam <mani@kernel.org>
  35 attestations (5 Acked-by, 30 Reviewed-by) · last on 2026-07-23
• Dmitry Baryshkov <hidden>
  10 attestations (10 Reviewed-by) · last on 2026-07-23
• Dmitry Baryshkov <lumag@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-07-23
• Vinod Koul <vkoul@kernel.org>
  5 attestations (5 Suggested-by) · last on 2026-07-23
• Bjorn Andersson <andersson@kernel.org>
  5 attestations (5 Reviewed-by) · last on 2026-07-23
• Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
  4 attestations (4 Reviewed-by) · last on 2026-07-23
• Stephan Gerhold <hidden>
  2 attestations (2 Co-developed-by) · last on 2026-07-23

Recent patches

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

• HOTtoday REVIEWED: 21 (21M) [PATCH v24 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-23 · Bartosz Golaszewski <hidden>
• HOTtoday REVIEWED: 43 (42M) [PATCH v24 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-23 · Bartosz Golaszewski <hidden>
• HOTtoday REVIEWED: 22 (22M) [PATCH v24 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-23 · Bartosz Golaszewski <hidden>
• HOTtoday REVIEWED: 29 (28M) [PATCH v24 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-23 · Bartosz Golaszewski <hidden>
• HOTtoday REVIEWED: 21 (21M) [PATCH v24 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-23 · Bartosz Golaszewski <hidden>
• HOTtoday REVIEWED: 22 (22M) [PATCH v24 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-23 · Bartosz Golaszewski <hidden>
• DORMANTno replies Re: [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-23 · Stephan Gerhold <hidden>
• WARM1d Re: [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-22 · Stephan Gerhold <hidden>
• WARM1d REVIEWED: 21 (21M) [PATCH v23 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-21 · Bartosz Golaszewski <hidden>
• WARM1d REVIEWED: 43 (42M) [PATCH v23 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-21 · Bartosz Golaszewski <hidden>
• WARM1d REVIEWED: 22 (22M) [PATCH v23 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-21 · Bartosz Golaszewski <hidden>
• WARM1d REVIEWED: 29 (28M) [PATCH v23 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-21 · Bartosz Golaszewski <hidden>
• WARM1d REVIEWED: 21 (21M) [PATCH v23 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-21 · Bartosz Golaszewski <hidden>
• WARM1d REVIEWED: 22 (22M) [PATCH v23 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-21 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 21 (21M) [PATCH v22 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 43 (42M) [PATCH v22 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 29 (28M) [PATCH v22 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 22 (22M) [PATCH v22 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 21 (21M) [PATCH v22 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING4d REVIEWED: 22 (22M) [PATCH v22 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-17 · Bartosz Golaszewski <hidden>
• COOLING8d [PATCH v5 1/3] dmaengine: dw-edma-pcie: Discover endpoint DMA metadata
  2026-07-17 · Koichiro Den <hidden>
• COOLING7d REVIEWED: 21 (21M) [PATCH v21 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING7d REVIEWED: 43 (42M) [PATCH v21 05/14] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING7d REVIEWED: 22 (22M) [PATCH v21 04/14] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING7d REVIEWED: 29 (28M) [PATCH v21 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING7d REVIEWED: 21 (21M) [PATCH v21 02/14] dmaengine: qcom: bam_dma: free interrupt before the clock in error path
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING7d REVIEWED: 22 (22M) [PATCH v21 01/14] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-07-13 · Bartosz Golaszewski <hidden>
• COOLING14d [PATCH v4 1/3] dmaengine: dw-edma-pcie: Discover endpoint DMA metadata
  2026-07-10 · Koichiro Den <hidden>
• COLD15d REVIEWED: 29 (28M) [PATCH v20 03/14] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-06-29 · Bartosz Golaszewski <hidden>
• COLD15d REVIEWED: 21 (21M) [PATCH v20 06/14] dmaengine: qcom: bam_dma: add support for BAM locking
  2026-06-29 · Bartosz Golaszewski <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.

• STALE137d REVIEWED: 8 (7M) [PATCH RFC v11 09/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-02 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE137d REVIEWED: 1 (1M) [PATCH RFC v11 10/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-02 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE137d REVIEWED: 1 (0M) [PATCH RFC v11 11/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-02 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE135d REVIEWED: 8 (7M) [PATCH v12 02/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-10 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE135d REVIEWED: 1 (1M) [PATCH v12 03/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-10 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE135d REVIEWED: 1 (0M) [PATCH v12 04/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-10 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE123d REVIEWED: 21 (21M) [PATCH v13 01/12] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-03-17 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE123d REVIEWED: 29 (28M) [PATCH v13 02/12] dmaengine: qcom: bam_dma: convert tasklet to a BH workqueue
  2026-03-17 · Bartosz Golaszewski <hidden> · 3 Reviewed-by
• STALE123d REVIEWED: 22 (22M) [PATCH v13 03/12] dmaengine: qcom: bam_dma: Extend the driver's device match data
  2026-03-17 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE123d REVIEWED: 1 (0M) [PATCH v13 04/12] dmaengine: qcom: bam_dma: Add pipe_lock_supported flag support
  2026-03-17 · Bartosz Golaszewski <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.

• STALE182d [RFC PATCH v4 01/38] dmaengine: dw-edma: Export helper to get integrated register window
  2026-01-18 · Koichiro Den <hidden>
• STALE182d [RFC PATCH v4 03/38] dmaengine: dw-edma: Poll completion when local IRQ handling is disabled
  2026-01-18 · Koichiro Den <hidden>
• STALE182d [RFC PATCH v4 04/38] dmaengine: dw-edma: Add notify-only channels support
  2026-01-18 · Koichiro Den <hidden>
• STALE137d [PATCH RFC v11 08/12] dmaengine: constify struct dma_descriptor_metadata_ops
  2026-03-02 · Bartosz Golaszewski <hidden>
• STALE130d [PATCH 05/15] dmaengine: dw-edma: Compose MSI messages from allocated IRQs
  2026-03-12 · Koichiro Den <hidden>
• STALE130d [PATCH 13/15] dmaengine: dw-edma: Add auxiliary-bus frontend for exported eDMA
  2026-03-12 · Koichiro Den <hidden>
• DORMANTno replies [PATCH] docs: driver-api: fix 6 spelling typos in Documentation/driver-api
  2026-03-24 · tovicito <hidden>
• DORMANTno replies [PATCH v2] docs: driver-api: fix 6 spelling typos in Documentation/driver-api
  2026-03-24 · Tomás Pando <hidden>
• DORMANTno replies [PATCH v2] docs: driver-api: fix 6 spelling typos in Documentation/driver-api
  2026-03-24 · Tomás Pando <hidden>
• DORMANTno replies [PATCH 3/4] dmaengine: dmatest: fix preposition error in documentation
  2026-05-02 · Wang Zihan <hidden>