switchtec dma driver · Maintained

Maintainers

• M Kelvin Cao <kelvin.cao@microchip.com>
• M Logan Gunthorpe <logang@deltatee.com>

Paths

• F drivers/dma/switchtec_dma.c

Last 30 days

Most active threads (last 7 days)

• WARM2d [PATCH v4 00/12] dmaengine: miscellaneous fixes for ioat, switchtec_dma and plx_dma
  2026-07-28 17:20 · 9 replies in 7d · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 00/11] dmaengine: miscellaneous fixes for ioat, switchtec_dma and plx_dma
  2026-07-27 18:15 · 8 replies in 7d · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v1 0/6] dmaengine: miscellaneous fixes for ioat, switchtec_dma and plx_dma
  2026-07-27 17:48 · 3 replies in 7d · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v2 0/4] Add sysfs interface to switchtec-dma
  2026-07-27 19:02 · 2 replies in 7d · Logan Gunthorpe <logang@deltatee.com>
• WARM1d [RFC PATCH 0/1] dmaengine: introduce dmaengine_bh_wq and bh helpers
  2026-07-27 20:41 · 1 reply in 7d · Allen Pais <hidden>

Active reviewers (last 30 days)

• Sashiko <sashiko-bot@kernel.org>
  23 attestations (23 Reported-by) · last on 2026-07-28
• Frank Li <Frank.Li@nxp.com>
  7 attestations (7 Reviewed-by) · last on 2026-07-28

Recent patches

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

• WARM2d REVIEWED: 13 (13M) [PATCH v4 09/12] dmaengine: switchtec-dma: fix use-after-free of swdma_dev in remove()
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 08/12] dmaengine: switchtec-dma: disable channels before freeing on registration failure
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 07/12] dmaengine: switchtec-dma: fix chan_status_irq cleanup on create() error
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 05/12] dmaengine: switchtec-dma: fix channel leak on registration failure
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 06/12] dmaengine: switchtec-dma: make switchtec_dma_chans_release() void
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d [PATCH v4 04/12] dmaengine: switchtec-dma: halt channel on alloc_chan_resources error
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d [PATCH v4 03/12] dmaengine: switchtec-dma: always clear DMA base registers on chan_stop()
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 02/12] dmaengine: switchtec-dma: fix resource leak in alloc_chan_resources
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM2d REVIEWED: 13 (13M) [PATCH v4 01/12] dmaengine: switchtec-dma: fix double-free in switchtec_dma_free_desc()
  2026-07-28 · Logan Gunthorpe <logang@deltatee.com>
• WARM1d [PATCH v2 64/64] dmaengine: switchtec: use channel BH helpers
  2026-07-27 · Allen Pais <hidden>
• DORMANTno replies [PATCH v2 4/4] dmaengine: switchtec-dma: add pmon sysfs attributes
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v2 3/4] dmaengine: switchtec-dma: add config sysfs attributes
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 07/11] dmaengine: switchtec-dma: disable channels before freeing on registration failure
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 08/11] dmaengine: switchtec-dma: fix use-after-free of swdma_dev in remove()
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 03/11] dmaengine: switchtec-dma: halt channel on alloc_chan_resources error
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 02/11] dmaengine: switchtec-dma: fix resource leak in alloc_chan_resources
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 05/11] dmaengine: switchtec-dma: make switchtec_dma_chans_release() void
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 04/11] dmaengine: switchtec-dma: fix channel leak on registration failure
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 01/11] dmaengine: switchtec-dma: fix double-free in switchtec_dma_free_desc()
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v3 06/11] dmaengine: switchtec-dma: fix chan_status_irq cleanup on create() error
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v1 2/6] dmaengine: switchtec-dma: fix resource leak in alloc_chan_resources
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v1 3/6] dmaengine: switchtec-dma: fix channel leak on registration failure
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• WARM3d [PATCH v1 1/6] dmaengine: switchtec-dma: fix double-free in switchtec_dma_free_desc()
  2026-07-27 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 06/11] dmaengine: switchtec-dma: unlink channels before freeing on registration failure
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 07/11] dmaengine: switchtec-dma: fix use-after-free of swdma_dev in remove()
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 05/11] dmaengine: switchtec-dma: make switchtec_dma_chans_release() void
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 08/11] dmaengine: switchtec-dma: fix chan_status_irq cleanup on create() error
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 01/11] dmaengine: switchtec-dma: fix double-free in switchtec_dma_free_desc()
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 03/11] dmaengine: switchtec-dma: halt channel on alloc_chan_resources error
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>
• COOLING9d [PATCH v2 02/11] dmaengine: switchtec-dma: fix resource leak in alloc_chan_resources
  2026-07-21 · Logan Gunthorpe <logang@deltatee.com>

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.

• STALE155d REVIEWED: 4 (4M) [PATCH v13 2/3] dmaengine: switchtec-dma: Implement hardware initialization and cleanup
  2026-01-21 · Logan Gunthorpe <logang@deltatee.com> · 1 Reviewed-by
• STALE155d REVIEWED: 4 (4M) [PATCH v13 1/3] dmaengine: switchtec-dma: Introduce Switchtec DMA engine skeleton
  2026-01-21 · Logan Gunthorpe <logang@deltatee.com> · 1 Reviewed-by
• STALE155d REVIEWED: 4 (4M) [PATCH v13 3/3] dmaengine: switchtec-dma: Implement descriptor submission
  2026-01-21 · Logan Gunthorpe <logang@deltatee.com> · 1 Reviewed-by
• STALE143d REVIEWED: 17 (17M) [PATCH v14 1/3] dmaengine: switchtec-dma: Introduce Switchtec DMA engine skeleton
  2026-03-02 · Logan Gunthorpe <logang@deltatee.com> · 2 Reviewed-by
• STALE143d REVIEWED: 17 (17M) [PATCH v14 2/3] dmaengine: switchtec-dma: Implement hardware initialization and cleanup
  2026-03-02 · Logan Gunthorpe <logang@deltatee.com> · 2 Reviewed-by
• STALE143d REVIEWED: 4 (4M) [PATCH v14 3/3] dmaengine: switchtec-dma: Implement descriptor submission
  2026-03-02 · Logan Gunthorpe <logang@deltatee.com> · 1 Reviewed-by