[PATCH v2 0/8] 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 support for interrupted context.
- Add static PD restart support for audio and sensors PD using
  PDR framework.
- Redesign and improve remote heap management.
- Add change to support 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
- Add check for untrusted applications and allow trusted processed to
  offload to system unsigned PD.
  https://git.codelinaro.org/srinivas.kandagatla/fastrpc-qcom/-/commit/dfd073681d6a02efa080c5066546ff80c609668a

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.

Ekansh Gupta (8):
  misc: fastrpc: Add missing dev_err newlines
  misc: fastrpc: Fix DSP capabilities request
  misc: fastrpc: Add support to save and restore
  misc: fastrpc: Add static PD restart support
  misc: fastrpc: Redesign remote heap management
  misc: fastrpc: Add support for unsigned PD
  misc: fastrpc: Restrict untrusted apk to spawn
  misc: fastrpc: Add system unsigned PD support

 drivers/misc/Kconfig        |   2 +
 drivers/misc/fastrpc.c      | 742 ++++++++++++++++++++++++++++--------
 include/uapi/misc/fastrpc.h |   2 +
 3 files changed, 596 insertions(+), 150 deletions(-)

-- 
2.43.0