[PATCH v4 00/11] Add missing features to FastRPC driver

[Ekansh Gupta]

This patch series adds the listed features that have been missing
in upstream fastRPC driver.
- Add missing bug fixes.
- Add static PD restart support for audio and sensors PD using
  PDR framework.
- Redesign and improve remote heap management.
- Add fixes for unsigned PD. Unsigned PD can be enabled
  using userspace API:
  https://git.codelinaro.org/linaro/qcomlt/fastrpc/-/blob/master/src/fastrpc_apps_user.c?ref_type=heads#L1173

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.

Ekansh Gupta (11):
  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: Add static PD restart support
  misc: fastrpc: Fix memory leak in audio daemon attach operation
  misc: fastrpc: Redesign remote heap management
  misc: fastrpc: Fix ownership reassignment of remote heap
  misc: fastrpc: Fix remote heap alloc and free user request
  misc: fastrpc: Fix unsigned PD support
  misc: fastrpc: Restrict untrusted app to attach to privileged PD

 drivers/misc/Kconfig        |   2 +
 drivers/misc/fastrpc.c      | 635 +++++++++++++++++++++++++++++-------
 include/uapi/misc/fastrpc.h |   3 +
 3 files changed, 527 insertions(+), 113 deletions(-)

-- 
2.43.0