lkml.org 
[lkml]   [2020]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 4/4] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
    On 2020-11-04 23:22, Konrad Dybcio wrote:
    > 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>
    > ---
    > 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 61314fd70f13..cafaf0da05b7 100644
    > --- a/arch/arm64/kernel/cpu_errata.c
    > +++ b/arch/arm64/kernel/cpu_errata.c
    > @@ -299,6 +299,8 @@ 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),

    Is this the only affected version? If this is actually an A53, how do
    the
    revisions map between Kryo and Cortex cores?

    M.
    --
    Jazz is not dead. It just smells funny...

    \
     
     \ /
      Last update: 2020-11-05 10:30    [W:2.427 / U:0.076 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site