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| author | Dave Jiang <dave.jiang@intel.com> | 2021-01-22 11:46:00 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-01-26 22:58:55 +0530 |
| commit | 03d939c7e3d8800a9feb54808929c5776ac510eb (patch) | |
| tree | 007b7998d6618bd6423be049e5e5661fc8907173 /drivers/dma/qcom | |
| parent | 9f3c14d4433b98c87f958128045539f297a2fa6d (diff) | |
| download | lwn-03d939c7e3d8800a9feb54808929c5776ac510eb.tar.gz lwn-03d939c7e3d8800a9feb54808929c5776ac510eb.zip | |
dmaengine: idxd: add module parameter to force disable of SVA
Add a module parameter that overrides the SVA feature enabling. This keeps
the driver in legacy mode even when intel_iommu=sm_on is set. In this mode,
the descriptor fields must be programmed with dma_addr_t from the Linux DMA
API for source, destination, and completion descriptors.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161134110457.4005461.13171197785259115852.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/qcom')
0 files changed, 0 insertions, 0 deletions