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authorSuzuki K Poulose <suzuki.poulose@arm.com>2016-01-26 10:58:16 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2016-02-25 10:33:08 +0000
commit28c5dcb22f90113dea101b0421bc6971bccb7a74 (patch)
tree2f65fe1d6e2dc9307c1fff9455767494329506cc /arch/arm64/kernel
parentff96f7bc7bf6393eef8ff2bde1279715ce13343a (diff)
downloadblackbird-op-linux-28c5dcb22f90113dea101b0421bc6971bccb7a74.tar.gz
blackbird-op-linux-28c5dcb22f90113dea101b0421bc6971bccb7a74.zip
arm64: Rename cpuid_feature field extract routines
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>
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/cpufeature.c2
-rw-r--r--arch/arm64/kernel/debug-monitors.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index f0017ef3628a..ffe44e70c99f 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -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;
}
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index c1492ba1f6d1..4076a5a7a975 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -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);
}
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