arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature

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

Posted by Mark Brown 2 years, 8 months ago

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@kernel.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@kernel.org>

Re: [PATCH] arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature

Posted by Catalin Marinas 2 years, 8 months ago

On Tue, 23 May 2023 22:49:00 +0100, Mark Brown wrote:
> The newly added support for ECV CNTPOFF open codes the recently added
> helper ARM64_CPUID_FIELDS(), make use of the helper.  No functional
> change.
> 
> 

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature
      https://git.kernel.org/arm64/c/e34f78b970ea

-- 
Catalin

Re: [PATCH] arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature

Posted by Anshuman Khandual 2 years, 8 months ago


On 5/24/23 03:19, Mark Brown wrote:
> 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@kernel.org>

Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>

> ---
>  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,