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    Subject[PATCH 5.9 073/252] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
    Date
    From: Konrad Dybcio <konrad.dybcio@somainline.org>

    [ Upstream commit 23c216416056148136bdaf0cdd18caf4904bb6e1 ]

    QCOM KRYO2XX Silver cores are Cortex-A53 based and are
    susceptible to the 845719 erratum. Add them to the lookup
    list to apply the erratum.

    Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
    Link: https://lore.kernel.org/r/20201104232218.198800-5-konrad.dybcio@somainline.org
    Signed-off-by: Will Deacon <will@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/kernel/cpu_errata.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
    index 966672b2213e1..533a957dd83ee 100644
    --- a/arch/arm64/kernel/cpu_errata.c
    +++ b/arch/arm64/kernel/cpu_errata.c
    @@ -750,6 +750,8 @@ static const struct midr_range erratum_845719_list[] = {
    MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
    /* Brahma-B53 r0p[0] */
    MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
    + /* Kryo2XX Silver rAp4 */
    + MIDR_REV(MIDR_QCOM_KRYO_2XX_SILVER, 0xa, 0x4),
    {},
    };
    #endif
    --
    2.27.0


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