diff options
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 3a072596b1b2..bd2d4d2764dd 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -43,6 +43,12 @@ EXPORT_SYMBOL_GPL(iommu_found); * iommu_set_fault_handler() - set a fault handler for an iommu domain * @domain: iommu domain * @handler: fault handler + * + * This function should be used by IOMMU users which want to be notified + * whenever an IOMMU fault happens. + * + * The fault handler itself should return 0 on success, and an appropriate + * error code otherwise. */ void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler) |