linux-kernel - [PATCH v2 0/5] Qualcomm remote filesystem shared memory driver

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Date:   Wed,  2 Aug 2017 19:57:49 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>
Cc:     Mark Rutland <mark.rutland@....com>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org
Subject: [PATCH v2 0/5] Qualcomm remote filesystem shared memory driver

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 RFSA
  soc: qcom: Remote FS memory driver
  arm64: dts: msm8916: Mark rmtfs node as qcom,rfsa compatible

 .../bindings/reserved-memory/qcom,rfsa.txt         |  44 ++++
 arch/arm64/boot/dts/qcom/msm8916.dtsi              |   3 +
 drivers/of/of_reserved_mem.c                       |  26 ++
 drivers/of/platform.c                              |  22 +-
 drivers/soc/qcom/Kconfig                           |   8 +
 drivers/soc/qcom/Makefile                          |   1 +
 drivers/soc/qcom/rfsa.c                            | 262 +++++++++++++++++++++
 include/linux/of_reserved_mem.h                    |   5 +
 8 files changed, 365 insertions(+), 6 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/reserved-memory/qcom,rfsa.txt
 create mode 100644 drivers/soc/qcom/rfsa.c

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2.12.0