[v22,0/5] Provide basic driver to control Arm R5 co-processor found on Xilinx ZynqMP

Message

Ben Levinsky Nov. 3, 2020, 6:23 p.m. UTC

Update Xilinx R5 Remoteproc Driver as follows:
- update documented param list for zynqmp_r5_probe
- remove use-after-free lines in zynqmp_r5_probe,
  zynqmp_r5_remoteproc_probe, and zynqmp_r5_remoteproc_remove
- update path for error handling in zynqmp_r5_probe and
  zynqmp_r5_remoteproc_probe
- update zynqmp_r5_rproc_kick to only use mailbox-related
  properties if the rproc pointer's corresponding of_node
  has mbox properties present, otherwise kick should and will
  do nothing

Previous version https://patchwork.kernel.org/project/linux-remoteproc/list/?series=374399

Ben Levinsky (5):
  firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU
    configuration.
  firmware: xilinx: Add shutdown/wakeup APIs
  firmware: xilinx: Add RPU configuration APIs
  dt-bindings: remoteproc: Add documentation for ZynqMP R5 rproc
    bindings
  remoteproc: Add initial zynqmp R5 remoteproc driver

 .../xilinx,zynqmp-r5-remoteproc.yaml          | 143 ++++
 drivers/firmware/xilinx/zynqmp.c              |  96 +++
 drivers/remoteproc/Kconfig                    |   8 +
 drivers/remoteproc/Makefile                   |   1 +
 drivers/remoteproc/zynqmp_r5_remoteproc.c     | 779 ++++++++++++++++++
 include/linux/firmware/xlnx-zynqmp.h          |  60 ++
 6 files changed, 1087 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml
 create mode 100644 drivers/remoteproc/zynqmp_r5_remoteproc.c