[PATCH v1 0/2] dma/odm: dev-to-mem support and zero-length validation

Shijith Thotton sthotton at marvell.com
Mon Jun 1 12:15:57 CEST 2026


This series extends the Marvell ODM DMA driver with device memory
bidirectional DMA transfers (dev-to-mem and mem-to-dev), and rejects
zero-length operations early with -EINVAL to avoid queue disable.

Shijith Thotton (1):
  dma/odm: avoid zero length DMA transfers

Vamsi Attunuru (1):
  dma/odm: support dev to mem transfers

 drivers/dma/odm/odm.c        | 51 ++++++++++++++++++++++++++++++++++--
 drivers/dma/odm/odm.h        | 12 ++++++++-
 drivers/dma/odm/odm_dmadev.c | 27 ++++++++++++++-----
 drivers/dma/odm/odm_priv.h   |  4 ++-
 4 files changed, 84 insertions(+), 10 deletions(-)

-- 
2.25.1



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