summaryrefslogtreecommitdiff
path: root/arch/arm64
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2022-07-04 20:02:45 +0300
committerWill Deacon <will@kernel.org>2022-07-05 13:45:46 +0300
commit9a2f3290bb101146246eaf3f807bdc9718b56e49 (patch)
treea088d2a54498c25aebd6338914449024c3168477 /arch/arm64
parent356137e68a9f920c3fa0d2cd41dbff43c77010a8 (diff)
downloadlinux-9a2f3290bb101146246eaf3f807bdc9718b56e49.tar.xz
arm64/sysreg: Standardise naming for WFxT defines
The defines for WFxT refer to the feature as WFXT and use SUPPORTED rather than IMP. In preparation for automatic generation of defines update these to be more standard. No functional changes. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220704170302.2609529-12-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/include/asm/sysreg.h6
-rw-r--r--arch/arm64/kernel/cpufeature.c8
-rw-r--r--arch/arm64/kvm/sys_regs.c2
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 34bf421c52df..1b1ea5bd01c0 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -742,7 +742,7 @@
#define ID_AA64ISAR2_APA3_SHIFT 12
#define ID_AA64ISAR2_GPA3_SHIFT 8
#define ID_AA64ISAR2_RPRES_SHIFT 4
-#define ID_AA64ISAR2_WFXT_SHIFT 0
+#define ID_AA64ISAR2_WFxT_SHIFT 0
#define ID_AA64ISAR2_RPRES_8BIT 0x0
#define ID_AA64ISAR2_RPRES_12BIT 0x1
@@ -751,8 +751,8 @@
* reserved, but has not yet been removed from the ARM ARM
* as of ARM DDI 0487G.b.
*/
-#define ID_AA64ISAR2_WFXT_NI 0x0
-#define ID_AA64ISAR2_WFXT_SUPPORTED 0x2
+#define ID_AA64ISAR2_WFxT_NI 0x0
+#define ID_AA64ISAR2_WFxT_IMP 0x2
#define ID_AA64ISAR2_APA3_NI 0x0
#define ID_AA64ISAR2_APA3_PAuth 0x1
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 0f9c9d8b21a2..83f8e9d360ce 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -237,7 +237,7 @@ static const struct arm64_ftr_bits ftr_id_aa64isar2[] = {
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_PTR_AUTH),
FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_GPA3_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_RPRES_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_WFXT_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_WFxT_SHIFT, 4, 0),
ARM64_FTR_END,
};
@@ -2516,10 +2516,10 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.type = ARM64_CPUCAP_SYSTEM_FEATURE,
.sys_reg = SYS_ID_AA64ISAR2_EL1,
.sign = FTR_UNSIGNED,
- .field_pos = ID_AA64ISAR2_WFXT_SHIFT,
+ .field_pos = ID_AA64ISAR2_WFxT_SHIFT,
.field_width = 4,
.matches = has_cpuid_feature,
- .min_field_value = ID_AA64ISAR2_WFXT_SUPPORTED,
+ .min_field_value = ID_AA64ISAR2_WFxT_IMP,
},
{},
};
@@ -2654,7 +2654,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
HWCAP_CAP(SYS_ID_AA64MMFR0_EL1, ID_AA64MMFR0_ECV_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_ECV),
HWCAP_CAP(SYS_ID_AA64MMFR1_EL1, ID_AA64MMFR1_AFP_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_AFP),
HWCAP_CAP(SYS_ID_AA64ISAR2_EL1, ID_AA64ISAR2_RPRES_SHIFT, 4, FTR_UNSIGNED, 1, CAP_HWCAP, KERNEL_HWCAP_RPRES),
- HWCAP_CAP(SYS_ID_AA64ISAR2_EL1, ID_AA64ISAR2_WFXT_SHIFT, 4, FTR_UNSIGNED, ID_AA64ISAR2_WFXT_SUPPORTED, CAP_HWCAP, KERNEL_HWCAP_WFXT),
+ HWCAP_CAP(SYS_ID_AA64ISAR2_EL1, ID_AA64ISAR2_WFxT_SHIFT, 4, FTR_UNSIGNED, ID_AA64ISAR2_WFxT_IMP, CAP_HWCAP, KERNEL_HWCAP_WFXT),
#ifdef CONFIG_ARM64_SME
HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_SME_SHIFT, 4, FTR_UNSIGNED, ID_AA64PFR1_SME, CAP_HWCAP, KERNEL_HWCAP_SME),
HWCAP_CAP(SYS_ID_AA64SMFR0_EL1, ID_AA64SMFR0_FA64_SHIFT, 1, FTR_UNSIGNED, ID_AA64SMFR0_FA64, CAP_HWCAP, KERNEL_HWCAP_SME_FA64),
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index c06c0477fab5..f12c6d457677 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1146,7 +1146,7 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu,
val &= ~(ARM64_FEATURE_MASK(ID_AA64ISAR2_APA3) |
ARM64_FEATURE_MASK(ID_AA64ISAR2_GPA3));
if (!cpus_have_final_cap(ARM64_HAS_WFXT))
- val &= ~ARM64_FEATURE_MASK(ID_AA64ISAR2_WFXT);
+ val &= ~ARM64_FEATURE_MASK(ID_AA64ISAR2_WFxT);
break;
case SYS_ID_AA64DFR0_EL1:
/* Limit debug to ARMv8.0 */