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arm64: Rename cpuid_feature field extract routines

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Now that we have a clear understanding of the sign of a feature,
rename the routines to reflect the sign, so that it is not misused.
The cpuid_feature_extract_field() now accepts a 'sign' parameter.

Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Suzuki K Poulose
2016-01-26 10:58:16 +00:00
committed by Catalin Marinas
parent ff96f7bc7b
commit 28c5dcb22f
6 changed files with 19 additions and 13 deletions
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arch/arm64/kernel/cpufeature.c
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@@ -618,7 +618,7 @@ u64 read_system_reg(u32 id)
static bool
feature_matches(u64 reg, const struct arm64_cpu_capabilities *entry)
{
int val = cpuid_feature_extract_field(reg, entry->field_pos);
int val = cpuid_feature_extract_field(reg, entry->field_pos, entry->sign);
return val >= entry->min_field_value;
}