[PATCH v4 0/5] Qualcomm remote filesystem shared memory driver

[bjorn.andersson@linaro.org (Bjorn Andersson)]

Some remote processors (in particular the modem) found in Qualcomm platforms
stores configuration parameters and other data in a file system. As the remotes
does not have direct storage access it needs to relay block accesses through a
service running on the application CPU.

The memory is described in DeviceTree by a new reserved-memory compatible and
the implementation provides the user space service a read/write interface to
this chunk of memory.

Bjorn Andersson (5):
  of/platform: Generalize /reserved-memory handling
  of: reserved_mem: Accessor for acquiring reserved_mem
  dt-binding: soc: qcom: Add binding for rmtfs memory
  soc: qcom: Remote filesystem memory driver
  arm64: dts: msm8916: Mark rmtfs node as qcom,rmtfs-mem compatible

 .../bindings/reserved-memory/qcom,rmtfs-mem.txt    |  51 ++++
 arch/arm64/boot/dts/qcom/msm8916.dtsi              |   3 +
 drivers/of/of_reserved_mem.c                       |  26 ++
 drivers/of/platform.c                              |  19 +-
 drivers/soc/qcom/Kconfig                           |  11 +
 drivers/soc/qcom/Makefile                          |   1 +
 drivers/soc/qcom/rmtfs_mem.c                       | 271 +++++++++++++++++++++
 include/linux/of_reserved_mem.h                    |   5 +
 8 files changed, 379 insertions(+), 8 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.txt
 create mode 100644 drivers/soc/qcom/rmtfs_mem.c

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2.12.0