[PATCH v5 0/7] Add missing fixes to FastRPC driver

[Ekansh Gupta]

This patch series adds the listed bug fixes that have been missing
in upstream fastRPC driver.
- Fix DSP capabilities request.
- Fix issues in audio daemon attach operation.
- Restrict untrusted app to attach to privilegeded PD.

Changes in v2:
- Added separate patch to add newlines in dev_err.
- Added a bug fix in fastrpc capability function.
- Added a new patch to save and restore interrupted context.
- Fixed config dependency for PDR support.

Changes in v3:
- Dropped interrupted context patch.
- Splitted few of the bug fix patches.
- Added Fixes tag wherever applicable.
- Updated proper commit message for few of the patches.

Changes in v4:
- Dropped untrusted process and system unsigned PD patches.
- Updated proper commit message for few of the patches.
- Splitted patches in more meaningful way.
- Added helped functions for fastrpc_req_mmap.

Changes in v5:
- Dropped PDR patch. It will be shared in a separate patch series.
- Dropped fastrpc_req_mmap and remote_heap specific changes from this
  series. These patches will be shared separately as a new patch series.
- Changed patch series subject as this series is no longer carrying any
  new feature changes.

Ekansh Gupta (7):
  misc: fastrpc: Add missing dev_err newlines
  misc: fastrpc: Fix DSP capabilities request
  misc: fastrpc: Copy the complete capability structure to user
  misc: fastrpc: Avoid updating PD type for capability request
  misc: fastrpc: Fix memory leak in audio daemon attach operation
  misc: fastrpc: Fix ownership reassignment of remote heap
  misc: fastrpc: Restrict untrusted app to attach to privileged PD

 drivers/misc/fastrpc.c      | 51 +++++++++++++++++++++++++++----------
 include/uapi/misc/fastrpc.h |  3 +++
 2 files changed, 40 insertions(+), 14 deletions(-)

-- 
2.43.0