linux-kernel - [PATCH AUTOSEL 5.9 21/21] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver

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Message-Id: <20201117125652.599614-21-sashal@kernel.org>
Date:   Tue, 17 Nov 2020 07:56:52 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Will Deacon <will@...nel.org>, Sasha Levin <sashal@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.9 21/21] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver

From: Konrad Dybcio <konrad.dybcio@...ainline.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@...ainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-5-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.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