linux-kernel - [PATCH V5 1/4] tools: header : arm64: Replace TCR_NFD[0|1] with TCR_EL1

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Message-Id: <20250921005300.2535994-2-anshuman.khandual@arm.com>
Date: Sun, 21 Sep 2025 06:22:57 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-arm-kernel@...ts.infradead.org,
	will@...nel.org
Cc: Anshuman Khandual <anshuman.khandual@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Mark Brown <broonie@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>,
	kvmarm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Leo Yan <leo.yan@....com>
Subject: [PATCH V5 1/4] tools: header : arm64: Replace TCR_NFD[0|1] with TCR_EL1_NFD[0|1]

Replace TCR_NFD[0|1] (used in TCR_CLEAR_FUJITSU_ERRATUM_010001) with field
definitions which are available in tool sysreg format. Helps in completely
dropping off the adhoc TCR_NFD[0|1] macros later.

Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Leo Yan <leo.yan@....com>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 tools/arch/arm64/include/asm/cputype.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h
index 139d5e87dc95..dfa12df5e290 100644
--- a/tools/arch/arm64/include/asm/cputype.h
+++ b/tools/arch/arm64/include/asm/cputype.h
@@ -243,7 +243,7 @@
 /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
 #define MIDR_FUJITSU_ERRATUM_010001		MIDR_FUJITSU_A64FX
 #define MIDR_FUJITSU_ERRATUM_010001_MASK	(~MIDR_CPU_VAR_REV(1, 0))
-#define TCR_CLEAR_FUJITSU_ERRATUM_010001	(TCR_NFD1 | TCR_NFD0)
+#define TCR_CLEAR_FUJITSU_ERRATUM_010001	(TCR_EL1_NFD1 | TCR_EL1_NFD0)
 
 #ifndef __ASSEMBLY__
 
-- 
2.25.1