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Message-Id: <20220901222744.2210215-4-heiko@sntech.de>
Date: Fri, 2 Sep 2022 00:27:44 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu
Cc: conor.dooley@...rochip.com, guoren@...nel.org,
apatel@...tanamicro.com, atishp@...osinc.com,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 4/4] riscv: check for kernel config option in t-head memory types errata
The t-head variant of page-based memory types should also check first
for the enabled kernel config option.
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
arch/riscv/errata/thead/errata.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c
index a6f4bd8ccf3f..902e12452821 100644
--- a/arch/riscv/errata/thead/errata.c
+++ b/arch/riscv/errata/thead/errata.c
@@ -17,6 +17,9 @@
static bool errata_probe_pbmt(unsigned int stage,
unsigned long arch_id, unsigned long impid)
{
+ if (!IS_ENABLED(CONFIG_ERRATA_THEAD_PBMT))
+ return false;
+
if (arch_id != 0 || impid != 0)
return false;
--
2.35.1
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