[PATCH v4 0/3] Additional improvements for dma coherent allocator

[Abdiel Janulgue <abdiel.janulgue@gmail.com>]

Changes since v3:
- Improve document clarity and move the range checker in as_slice/write
  to a common function (Alexandre Courbot).
Link to v3: https://lore.kernel.org/lkml/20250425073726.1027068-1-abdiel.janulgue@gmail.com/

Changes since v2:
- Rebase update, add fix from Alexandre Courbot, commit clarifications,
  minor sample driver improvements in error handling.
Link to v1: https://lore.kernel.org/lkml/20250410085916.546511-1-abdiel.janulgue@gmail.com/

Changes since v1:
- Pull in reviewed-by tags and include links.
- Improve error handling in rust dma sample driver.
- Clarifications in documentation.

Abdiel Janulgue (3):
  rust: dma: clarify wording and be consistent in `coherent`
    nomenclature
  rust: dma: convert the read/write macros to return Result
  rust: dma: add as_slice/write functions for CoherentAllocation

 rust/kernel/dma.rs       | 150 +++++++++++++++++++++++++++++++--------
 samples/rust/rust_dma.rs |  28 ++++----
 2 files changed, 137 insertions(+), 41 deletions(-)


base-commit: 7a17bbc1d952057898cb0739e60665908fbb8c72
-- 
2.43.0