linux-kernel - [PATCH 0/2] Add EDAC support for Kryo CPU core caches

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Date:   Thu, 5 Dec 2019 09:52:57 +0000
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        James Morse <james.morse@....com>,
        Robert Richter <rrichter@...vell.com>,
        linux-edac@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>,
        Evan Green <evgreen@...omium.org>, tsoni@...eaurora.org,
        psodagud@...eaurora.org,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: [PATCH 0/2] Add EDAC support for Kryo CPU core caches

This series implements EDAC support for error reporting on
Kryo{3,4}XX CPU caches L1,L2, L3-SCU. All the cores(big.LITTLE)
in Kryo{3,4}XX CPUs implement RAS extensions and use interrupt
based ECC mechanism to report errors.

This series has been tested on SC7180, SDM845, SM8150 SoCs with
Kryo{3,4}XX CPU cores based on ARM Cortex-A55, Cortex-A75 and
Cortex-A76.

This implementation is platform specific in contrast to the
patch posted last time for generic error reporting on arm cortex
implementations with RAS extensions by Kyle Yan.
 - https://patchwork.kernel.org/patch/10161955/

Downstream implementation of this can be found at:
 - https://source.codeaurora.org/quic/la/kernel/msm-4.14/tree/drivers/edac/kryo_arm64_edac.c?h=msm-4.14

Sai Prakash Ranjan (2):
  dt-bindings: edac: Add DT bindings for Kryo EDAC
  drivers: edac: Add EDAC support for Kryo CPU caches

 .../bindings/edac/qcom-kryo-edac.yaml         |  67 ++
 MAINTAINERS                                   |   7 +
 drivers/edac/Kconfig                          |  20 +
 drivers/edac/Makefile                         |   1 +
 drivers/edac/qcom_kryo_edac.c                 | 679 ++++++++++++++++++
 5 files changed, 774 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/edac/qcom-kryo-edac.yaml
 create mode 100644 drivers/edac/qcom_kryo_edac.c

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