[PATCH v1 7/9] arm64/sysreg: Standardise naming of ID_AA64PFR1_EL1 SME enumeration

Mark Brown broonie at kernel.org
Thu Jul 7 11:12:18 PDT 2022


In preparation for automatic generation of constants update the define for
SME being implemented to the convention we are using, no functional change.

Signed-off-by: Mark Brown <broonie at kernel.org>
---
 arch/arm64/include/asm/sysreg.h | 2 +-
 arch/arm64/kernel/cpufeature.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 4cf7e31aeebf..1c7e816879aa 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -725,7 +725,7 @@
 #define ID_AA64PFR1_EL1_SSBS_IMP	1
 #define ID_AA64PFR1_EL1_SSBS_SSBS2	2
 #define ID_AA64PFR1_EL1_BT_IMP		0x1
-#define ID_AA64PFR1_EL1_SME		1
+#define ID_AA64PFR1_EL1_SME_IMP		1
 
 #define ID_AA64PFR1_EL1_MTE_NI		0x0
 #define ID_AA64PFR1_EL1_MTE_IMP		0x1
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index bc00b2a1a770..591664da7b89 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2552,7 +2552,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
 		.sign = FTR_UNSIGNED,
 		.field_pos = ID_AA64PFR1_EL1_SME_SHIFT,
 		.field_width = 4,
-		.min_field_value = ID_AA64PFR1_EL1_SME,
+		.min_field_value = ID_AA64PFR1_EL1_SME_IMP,
 		.matches = has_cpuid_feature,
 		.cpu_enable = sme_kernel_enable,
 	},
@@ -2728,7 +2728,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
 	HWCAP_CAP(SYS_ID_AA64ISAR2_EL1, ID_AA64ISAR2_EL1_RPRES_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_RPRES),
 	HWCAP_CAP(SYS_ID_AA64ISAR2_EL1, ID_AA64ISAR2_EL1_WFxT_SHIFT, 4, FTR_UNSIGNED, ID_AA64ISAR2_EL1_WFxT_IMP, CAP_HWCAP, KERNEL_HWCAP_WFXT),
 #ifdef CONFIG_ARM64_SME
-	HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_EL1_SME_SHIFT, 4, FTR_UNSIGNED, ID_AA64PFR1_EL1_SME, CAP_HWCAP, KERNEL_HWCAP_SME),
+	HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_EL1_SME_SHIFT, 4, FTR_UNSIGNED, ID_AA64PFR1_EL1_SME_IMP, CAP_HWCAP, KERNEL_HWCAP_SME),
 	HWCAP_CAP(SYS_ID_AA64SMFR0_EL1, ID_AA64SMFR0_EL1_FA64_SHIFT, 1, FTR_UNSIGNED, ID_AA64SMFR0_EL1_FA64_IMP, CAP_HWCAP, KERNEL_HWCAP_SME_FA64),
 	HWCAP_CAP(SYS_ID_AA64SMFR0_EL1, ID_AA64SMFR0_EL1_I16I64_SHIFT, 4, FTR_UNSIGNED, ID_AA64SMFR0_EL1_I16I64_IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I64),
 	HWCAP_CAP(SYS_ID_AA64SMFR0_EL1, ID_AA64SMFR0_EL1_F64F64_SHIFT, 1, FTR_UNSIGNED, ID_AA64SMFR0_EL1_F64F64_IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F64F64),
-- 
2.30.2




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