nvidia-tegra-modules.git/include/linux/tegra-roc.h, branch rtss22-ae NVIDIA's kernel modules to support tegra chips (used in Jetson boards) platform: tegra: Add ROC flush support 2015-06-04T21:11:12+00:00 Peng Du pdu@nvidia.com 2015-03-25T18:20:27+00:00 6f188e7d85b9c58512c42892f5683eb9e38dbeea For large DMA transfer from/to non IO coherent devices, entire CCPLEX must be flushed to ensure coherency. This change adds the support by requesting ROC flush operation via CREG mapped into ARI space. Change-Id: Icbf80648a60cd15b7de745f476d45551952eee73 Signed-off-by: Peng Du <pdu@nvidia.com> Reviewed-on: http://git-master/r/716542 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Krishna Reddy <vdumpa@nvidia.com> Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com> 
For large DMA transfer from/to non IO coherent devices, entire CCPLEX
must be flushed to ensure coherency. This change adds the support by
requesting ROC flush operation via CREG mapped into ARI space.

Change-Id: Icbf80648a60cd15b7de745f476d45551952eee73
Signed-off-by: Peng Du <pdu@nvidia.com>
Reviewed-on: http://git-master/r/716542
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>