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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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2
arch/arm64/kernel/debug-monitors.c
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@@ -34,7 +34,7 @@
/* Determine debug architecture. */
u8 debug_monitors_arch(void)
{
return cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
return cpuid_feature_extract_unsigned_field(read_system_reg(SYS_ID_AA64DFR0_EL1),
ID_AA64DFR0_DEBUGVER_SHIFT);
}