linux-kernel - [RESEND PATCH v1 0/4] Support spaces in reboot mode framework

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Date:   Tue, 18 Aug 2020 11:54:12 -0700
From:   Elliot Berman <eberman@...eaurora.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Andy Yan <andy.yan@...k-chips.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Elliot Berman <eberman@...eaurora.org>, linux-pm@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Trilok Soni <tsoni@...eaurora.org>,
        Prasad Sodagudi <psodagud@...eaurora.org>
Subject: [RESEND PATCH v1 0/4] Support spaces in reboot mode framework

Resending with updated recepients and cover subject.

PM8150 uses reboot-mode framework to set magic values for bootloader to read
during next boot. dm-verity wants to use "dm-verity device corrupted" [1] as
the restart command, however the reboot-mode framework does not support spaces
in the command line as devicetree property names cannot have spaces. In order
to support the PM8150 comamnds, this patch series adds two new optional array
properties to reboot-mode framework: reboot-mode-names and reboot-mode-magic.
The arrays supply the commands and magic values, respectively.

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/md/dm-verity-target.c?h=v5.5#n255

Elliot Berman (4):
  dt-bindings: power: reset: Convert reboot-mode to YAML
  dt-bindings: power: reset: Add alternate reboot mode format
  power: reset: Add support for reboot mode alternate properties
  arm64: dts: qcom: pm8150: Add reboot magic

 .../bindings/power/reset/reboot-mode.txt           | 25 ---------
 .../bindings/power/reset/reboot-mode.yaml          | 64 ++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/pm8150.dtsi               |  5 ++
 drivers/power/reset/reboot-mode.c                  | 42 +++++++++++++-
 4 files changed, 110 insertions(+), 26 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/power/reset/reboot-mode.txt
 create mode 100644 Documentation/devicetree/bindings/power/reset/reboot-mode.yaml

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