gerror 1791 drivers/iommu/arm-smmu-v3.c u32 gerror, gerrorn, active; gerror 1794 drivers/iommu/arm-smmu-v3.c gerror = readl_relaxed(smmu->base + ARM_SMMU_GERROR); gerror 1797 drivers/iommu/arm-smmu-v3.c active = gerror ^ gerrorn; gerror 1831 drivers/iommu/arm-smmu-v3.c writel(gerror, smmu->base + ARM_SMMU_GERRORN);