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From: Zenghui Yu <yuzenghui@huawei.com>
To: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Cc: <catalin.marinas@arm.com>, <will@kernel.org>,
	<wanghaibin.wang@huawei.com>, Zenghui Yu <yuzenghui@huawei.com>,
	Shreyas K K <quic_shrekk@quicinc.com>
Subject: [PATCH] arm64: Fix match_list for erratum 1286807 on Arm Cortex-A76
Date: Tue, 9 Aug 2022 12:38:48 +0800	[thread overview]
Message-ID: <20220809043848.969-1-yuzenghui@huawei.com> (raw)

Since commit 51f559d66527 ("arm64: Enable repeat tlbi workaround on KRYO4XX
gold CPUs"), we failed to detect erratum 1286807 on Cortex-A76 because its
entry in arm64_repeat_tlbi_list[] was accidently corrupted by this commit.

Fix this issue by creating a separate entry for Kryo4xx Gold.

Fixes: 51f559d66527 ("arm64: Enable repeat tlbi workaround on KRYO4XX gold CPUs")
Cc: Shreyas K K <quic_shrekk@quicinc.com>
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
---
 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 7e6289e709fc..0f7e9087d900 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -208,6 +208,8 @@ static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
 #ifdef CONFIG_ARM64_ERRATUM_1286807
 	{
 		ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
+	},
+	{
 		/* Kryo4xx Gold (rcpe to rfpe) => (r0p0 to r3p0) */
 		ERRATA_MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xe),
 	},
-- 
2.33.0


             reply	other threads:[~2022-08-09  4:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-09  4:38 Zenghui Yu [this message]
2022-08-09  6:08 ` Marc Zyngier
2022-08-09  8:41   ` Will Deacon
2022-08-17 14:58 ` Will Deacon

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