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path: root/drivers/iommu/arm/arm-smmu/arm-smmu.c
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Diffstat (limited to 'drivers/iommu/arm/arm-smmu/arm-smmu.c')
-rw-r--r--drivers/iommu/arm/arm-smmu/arm-smmu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 8f439c265a23..8d95b14c7d5a 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -474,6 +474,12 @@ static irqreturn_t arm_smmu_context_fault(int irq, void *dev)
arm_smmu_print_context_fault_info(smmu, idx, &cfi);
arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_FSR, cfi.fsr);
+
+ if (cfi.fsr & ARM_SMMU_CB_FSR_SS) {
+ arm_smmu_cb_write(smmu, idx, ARM_SMMU_CB_RESUME,
+ ret == -EAGAIN ? 0 : ARM_SMMU_RESUME_TERMINATE);
+ }
+
return IRQ_HANDLED;
}