This series introduces support for performing iova-to-phys translations via
the ARM SMMU hardware on supported implementations. We also make use of
some new generic macros for polling hardware registers.
Changes since v1:
- Renamed one of the iopoll macros to use the more standard `_atomic'
suffix
- Removed some convenience iopoll wrappers to encourage explicitness
Matt Wagantall (1):
iopoll: Introduce memory-mapped IO polling macros
Mitchel Humpherys (1):
iommu/arm-smmu: add support for iova_to_phys through ATS1PR
drivers/iommu/arm-smmu.c | 73 ++++++++++++++++++++++++++++++++++++++++++++-
include/linux/iopoll.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 149 insertions(+), 1 deletion(-)
create mode 100644 include/linux/iopoll.h
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