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Date: Tue, 5 Apr 2022 14:07:46 -0700
From: Jarrett Schultz <jaschultzms@...il.com>
To: Rob Herring <robh+dt@...nel.org>, Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Hans de Goede <hdegoede@...hat.com>,
Mark Gross <markgross@...nel.org>,
Maximilian Luz <luzmaximilian@...il.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-msm@...r.kernel.org, platform-driver-x86@...r.kernel.org,
Felipe Balbi <balbi@...nel.org>,
Jarrett Schultz <jaschultz@...rosoft.com>
Subject: [PATCH v5 0/4] platform: surface: Introduce Surface XBL Driver
From: Jarrett Schultz <jaschultz@...rosoft.com>
After v4, there were some suggestions to change the driver again to use
nvmem that would include some other changes to the sm8150 dtsi. While
the suggestions make sense, this driver was supposed to remain simple
for the introduction in order to get it into the tree and I think that
it would be best to implement those and any other suggestions in a future
patch. Hopefully this patch is now in a state where it can be accepted.
Thanks to all who have helped and been patient along the way, this was
my first patch :)
~ Jarrett
---
Introduce the Surface Extensible Boot Loader driver for the Surface Duo.
Exposes information about the driver to user space via sysfs for
consumption in manufacturing mode.
---
Changes in v5:
- Minor changes to yaml
---
Changes in v4:
- Small binding definition changes
- Removed ACPI propagation from patch series since it has been
cherry-picked
- Fixed the Signed-off-by: and From: mismatch
---
Changes in v3:
- For the yaml documentation:
* Updated description
* Fixed examples
* Updated 'required' field
- Further propogated ACPI dependency in Kconfigs
- Updated sysfs several binding descriptions
- Renamed files to conform to naming conventions
---
Changes in v2:
- Per Maximilian, added patch 2: propagated ACPI dependency from the
directory as a whole to each individual driver
- For the yaml documentation:
* Removed json-schema dependence
* Elaborated on description of driver
* Updated example
- Changed target KernelVersion in sysfs documentation
- Updated MAINTAINER changes to be properly applied across patches
- For the driver itself,
* Added types.h inclusion and removed unused inclusions
* Minor updates to code and acronym style
* Remove __packed attribute on driver struct
* Use .dev_groups for sysfs
- Added more in-depth description of driver in Kconfig
- Modified dts to reference a newly added section in sm8150.dtsi
---
Jarrett Schultz (4):
dt-bindings: platform: microsoft: Document surface xbl
platform: surface: Add surface xbl
arm64: dts: qcom: sm8150: Add imem section
arm64: dts: qcom: surface-duo: Add surface xbl
.../ABI/testing/sysfs-platform-surface-xbl | 79 ++++++++
.../platform/microsoft/surface-xbl.yaml | 70 +++++++
MAINTAINERS | 9 +
.../dts/qcom/sm8150-microsoft-surface-duo.dts | 10 +
arch/arm64/boot/dts/qcom/sm8150.dtsi | 8 +
drivers/platform/surface/Kconfig | 12 ++
drivers/platform/surface/Makefile | 1 +
drivers/platform/surface/surface_xbl.c | 186 ++++++++++++++++++
8 files changed, 375 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-platform-surface-xbl
create mode 100644 Documentation/devicetree/bindings/platform/microsoft/surface-xbl.yaml
create mode 100644 drivers/platform/surface/surface_xbl.c
--
2.25.1
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