This is a note to let you know that I've just added the patch titled
arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm64-cpu_errata-apply-erratum-845719-to-kryo2xx-sil.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2954565eb86a3f85076fc94d6a6ee3fc63d28a91
Author: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
Date: Thu Nov 5 00:22:13 2020 +0100
arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
[ 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@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201104232218.198800-5-konrad.dybcio@xxxxxxxxxxxxxx
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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
