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| author |   Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-08-31 11:31:08 +0100 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2016-08-31 13:48:15 +0100 |
| commit | 5e49d73c1d87de50353844d263c1c7664aefeec8 (patch) | |
| tree | e6b3e64b706e1b586a1d56847671a17c816ef9dc /arch/arm64/include/asm/cpufeature.h | |
| parent | arm64: cleanup unused UDBG_* define (diff) | |
| download | linux-dev-5e49d73c1d87de50353844d263c1c7664aefeec8.tar.xz linux-dev-5e49d73c1d87de50353844d263c1c7664aefeec8.zip | |
arm64: cpufeature: constify arm64_ftr_bits structures
The arm64_ftr_bits structures are never modified, so make them read-only.
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/cpufeature.h')
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 7099f26e3702..7c0b7cff17df 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -72,11 +72,11 @@ struct arm64_ftr_bits { * @sys_val Safe value across the CPUs (system view) */ struct arm64_ftr_reg { - u32 sys_id; - const char *name; - u64 strict_mask; - u64 sys_val; - struct arm64_ftr_bits *ftr_bits; + u32 sys_id; + const char *name; + u64 strict_mask; + u64 sys_val; + const struct arm64_ftr_bits *ftr_bits; }; /* scope of capability check */ @@ -157,7 +157,7 @@ cpuid_feature_extract_unsigned_field(u64 features, int field) return cpuid_feature_extract_unsigned_field_width(features, field, 4); } -static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp) +static inline u64 arm64_ftr_mask(const struct arm64_ftr_bits *ftrp) { return (u64)GENMASK(ftrp->shift + ftrp->width - 1, ftrp->shift); } @@ -170,7 +170,7 @@ cpuid_feature_extract_field(u64 features, int field, bool sign) cpuid_feature_extract_unsigned_field(features, field); } -static inline s64 arm64_ftr_value(struct arm64_ftr_bits *ftrp, u64 val) +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); } |