diff options
Diffstat (limited to 'drivers/iommu/arm-smmu-v3.c')
-rw-r--r-- | drivers/iommu/arm-smmu-v3.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 4991e79465ee..488f763877d2 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1256,50 +1256,50 @@ static int arm_smmu_device_disable(struct arm_smmu_device *smmu); static irqreturn_t arm_smmu_gerror_handler(int irq, void *dev) { - u32 gerror, gerrorn; + u32 gerror, gerrorn, active; struct arm_smmu_device *smmu = dev; gerror = readl_relaxed(smmu->base + ARM_SMMU_GERROR); gerrorn = readl_relaxed(smmu->base + ARM_SMMU_GERRORN); - gerror ^= gerrorn; - if (!(gerror & GERROR_ERR_MASK)) + active = gerror ^ gerrorn; + if (!(active & GERROR_ERR_MASK)) return IRQ_NONE; /* No errors pending */ dev_warn(smmu->dev, "unexpected global error reported (0x%08x), this could be serious\n", - gerror); + active); - if (gerror & GERROR_SFM_ERR) { + if (active & GERROR_SFM_ERR) { dev_err(smmu->dev, "device has entered Service Failure Mode!\n"); arm_smmu_device_disable(smmu); } - if (gerror & GERROR_MSI_GERROR_ABT_ERR) + if (active & GERROR_MSI_GERROR_ABT_ERR) dev_warn(smmu->dev, "GERROR MSI write aborted\n"); - if (gerror & GERROR_MSI_PRIQ_ABT_ERR) { + if (active & GERROR_MSI_PRIQ_ABT_ERR) { dev_warn(smmu->dev, "PRIQ MSI write aborted\n"); arm_smmu_priq_handler(irq, smmu->dev); } - if (gerror & GERROR_MSI_EVTQ_ABT_ERR) { + if (active & GERROR_MSI_EVTQ_ABT_ERR) { dev_warn(smmu->dev, "EVTQ MSI write aborted\n"); arm_smmu_evtq_handler(irq, smmu->dev); } - if (gerror & GERROR_MSI_CMDQ_ABT_ERR) { + if (active & GERROR_MSI_CMDQ_ABT_ERR) { dev_warn(smmu->dev, "CMDQ MSI write aborted\n"); arm_smmu_cmdq_sync_handler(irq, smmu->dev); } - if (gerror & GERROR_PRIQ_ABT_ERR) + if (active & GERROR_PRIQ_ABT_ERR) dev_err(smmu->dev, "PRIQ write aborted -- events may have been lost\n"); - if (gerror & GERROR_EVTQ_ABT_ERR) + if (active & GERROR_EVTQ_ABT_ERR) dev_err(smmu->dev, "EVTQ write aborted -- events may have been lost\n"); - if (gerror & GERROR_CMDQ_ERR) + if (active & GERROR_CMDQ_ERR) arm_smmu_cmdq_skip_err(smmu); writel(gerror, smmu->base + ARM_SMMU_GERRORN); |