[PATCH 5.9 073/252] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver

Greg Kroah-Hartman
2020-11-23T12:46:02Z

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