[GIT PULL] dma-mapping updates for 5.12

[Christoph Hellwig]

The following changes since commit 9f5f8ec50165630cfc49897410b30997d4d677b5:

  dma-mapping: benchmark: use u8 for reserved field in uAPI structure (2021-02-05 12:48:46 +0100)

are available in the Git repository at:

  git://git.infradead.org/users/hch/dma-mapping.git tags/dma-mapping-5.12

for you to fetch changes up to 81d88ce55092edf1a1f928efb373f289c6b90efd:

  dma-mapping: remove the {alloc,free}_noncoherent methods (2021-02-09 18:01:38 +0100)

----------------------------------------------------------------
dma-mapping updates for 5.12:

 - add support to emulate processing delays in the DMA API benchmark
   selftest (Barry Song)
 - remove support for non-contiguous noncoherent allocations,
   which aren't used and will be replaced by a different API

----------------------------------------------------------------
Barry Song (1):
      dma-mapping: benchmark: pretend DMA is transmitting

Christoph Hellwig (1):
      dma-mapping: remove the {alloc,free}_noncoherent methods

 Documentation/core-api/dma-api.rst              | 64 +++++++++----------------
 drivers/iommu/dma-iommu.c                       | 30 ------------
 include/linux/dma-map-ops.h                     |  5 --
 include/linux/dma-mapping.h                     | 17 +++++--
 kernel/dma/map_benchmark.c                      | 12 ++++-
 kernel/dma/mapping.c                            | 40 ----------------
 tools/testing/selftests/dma/dma_map_benchmark.c | 21 ++++++--
 7 files changed, 64 insertions(+), 125 deletions(-)