ARM_SMMU_CB_FSR
fsr = readl_relaxed(cb_base + ARM_SMMU_CB_FSR);
writel_relaxed(fsr, cb_base + ARM_SMMU_CB_FSR);
fsr = arm_smmu_cb_read(smmu, idx, ARM_SMMU_CB_FSR);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, fsr);
fsr = arm_smmu_cb_read(smmu, idx, ARM_SMMU_CB_FSR);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, fsr);
fsr = arm_smmu_cb_read(smmu, idx, ARM_SMMU_CB_FSR);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, fsr);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, cfi.fsr);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, cfi.fsr);
info->fsr = arm_smmu_cb_read(smmu, cfg->cbndx, ARM_SMMU_CB_FSR);
arm_smmu_cb_write(smmu, i, ARM_SMMU_CB_FSR, ARM_SMMU_CB_FSR_FAULT);
cfi->fsr = arm_smmu_cb_read(smmu, idx, ARM_SMMU_CB_FSR);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, cfi.fsr);
fsr = iommu_readl(ctx, ARM_SMMU_CB_FSR);
iommu_writel(ctx, ARM_SMMU_CB_FSR, fsr);
iommu_writel(ctx, ARM_SMMU_CB_FSR, ARM_SMMU_CB_FSR_FAULT);
iommu_writel(ctx, ARM_SMMU_CB_FSR, iommu_readl(ctx, ARM_SMMU_CB_FSR));