linux-kernel - [PATCH V2 0/2] coresight: trbe: Update existing errata for Cortex-X2

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Date:   Mon, 24 Jan 2022 08:45:36 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki Poulose <suzuki.poulose@....com>,
        coresight@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: [PATCH V2 0/2] coresight: trbe: Update existing errata for Cortex-X2

Errata ARM64_ERRATUM_[2119858|2224489] also affect some Cortex-X2 ranges as
well. This series updates the errata definition and detection as required.
This series applies on v5.17-rc1.

Relevant identification document can be found here.

https://developer.arm.com/documentation/101803/0200/AArch64-system-registers/
AArch64-identification-register-summary/MIDR-EL1--Main-ID-Register

Relevant errata document can be found here.

https://developer.arm.com/documentation/SDEN1775100

Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Suzuki Poulose <suzuki.poulose@....com>
Cc: coresight@...ts.linaro.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org

Changes in V2:

- Updated Documentation/arm64/silicon-errata.rst

Changes in V1:

https://lore.kernel.org/all/1641980099-20315-1-git-send-email-anshuman.khandual@arm.com/

Anshuman Khandual (2):
  arm64: Add Cortex-X2 CPU part definition
  arm64: errata: Update ARM64_ERRATUM_[2119858|2224489] with Cortex-X2 ranges

 Documentation/arm64/silicon-errata.rst |  4 ++++
 arch/arm64/Kconfig                     | 12 ++++++------
 arch/arm64/include/asm/cputype.h       |  2 ++
 arch/arm64/kernel/cpu_errata.c         |  2 ++
 4 files changed, 14 insertions(+), 6 deletions(-)

-- 
2.20.1