linux-kernel - [PATCH] arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature

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Date:   Tue, 23 May 2023 22:49:00 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH] arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature

The newly added support for ECV CNTPOFF open codes the recently added
helper ARM64_CPUID_FIELDS(), make use of the helper.  No functional
change.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 arch/arm64/kernel/cpufeature.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 7d7128c65161..27326f35b646 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2235,11 +2235,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
 		.capability = ARM64_HAS_ECV_CNTPOFF,
 		.type = ARM64_CPUCAP_SYSTEM_FEATURE,
 		.matches = has_cpuid_feature,
-		.sys_reg = SYS_ID_AA64MMFR0_EL1,
-		.field_pos = ID_AA64MMFR0_EL1_ECV_SHIFT,
-		.field_width = 4,
-		.sign = FTR_UNSIGNED,
-		.min_field_value = ID_AA64MMFR0_EL1_ECV_CNTPOFF,
+		ARM64_CPUID_FIELDS(ID_AA64MMFR0_EL1, ECV, CNTPOFF)
 	},
 #ifdef CONFIG_ARM64_PAN
 	{

---
base-commit: 44c026a73be8038f03dbdeef028b642880cf1511
change-id: 20230523-arm64-ecv-helper-c1665690b8b0

Best regards,
-- 
Mark Brown <broonie@...nel.org>