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authorMark Brown <broonie@kernel.org>2022-09-05 23:54:06 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2022-09-09 10:59:02 +0100
commit07d7d848b96b57eccafeafad023d02c7f627d494 (patch)
treef53a96692e442b18a8e892280e9229acae23c8df /drivers/iommu/arm
parented7c138d6f82a9e75f27c9ff43262ba8158533b0 (diff)
arm64/sysreg: Standardise naming of ID_AA64MMFR0_EL1.ASIDBits
For some reason we refer to ID_AA64MMFR0_EL1.ASIDBits as ASID. Add BITS into the name, bringing the naming into sync with DDI0487H.a. Due to the large amount of MixedCase in this register which isn't really consistent with either the kernel style or the majority of the architecture the use of upper case is preserved. No functional changes. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Kristina Martsenko <kristina.martsenko@arm.com> Link: https://lore.kernel.org/r/20220905225425.1871461-10-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'drivers/iommu/arm')
-rw-r--r--drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
index da67a75cdaad..5968a568aae2 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
@@ -431,7 +431,7 @@ bool arm_smmu_sva_supported(struct arm_smmu_device *smmu)
return false;
/* We can support bigger ASIDs than the CPU, but not smaller */
- fld = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_EL1_ASID_SHIFT);
+ fld = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_EL1_ASIDBITS_SHIFT);
asid_bits = fld ? 16 : 8;
if (smmu->asid_bits < asid_bits)
return false;