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Diffstat (limited to 'arch/arm64/include/asm/cpufeature.h')
-rw-r--r--arch/arm64/include/asm/cpufeature.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 4ce82ed3e7c3..05310ad8c5ab 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -184,16 +184,22 @@ static inline u64 arm64_ftr_reg_user_value(const struct arm64_ftr_reg *reg)
}
static inline int __attribute_const__
-cpuid_feature_extract_field(u64 features, int field, bool sign)
+cpuid_feature_extract_field_width(u64 features, int field, int width, bool sign)
{
return (sign) ?
- cpuid_feature_extract_signed_field(features, field) :
- cpuid_feature_extract_unsigned_field(features, field);
+ cpuid_feature_extract_signed_field_width(features, field, width) :
+ cpuid_feature_extract_unsigned_field_width(features, field, width);
+}
+
+static inline int __attribute_const__
+cpuid_feature_extract_field(u64 features, int field, bool sign)
+{
+ return cpuid_feature_extract_field_width(features, field, 4, sign);
}
static inline s64 arm64_ftr_value(const struct arm64_ftr_bits *ftrp, u64 val)
{
- return (s64)cpuid_feature_extract_field(val, ftrp->shift, ftrp->sign);
+ return (s64)cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width, ftrp->sign);
}
static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0)