
Changes return codes to iommu_fault_handler to enable access to new debug features. -ENOSYS: Print debug information about the iommu_fault. 0: Print no additonal debug information. -EBUSY: GPU specific crashdump usecase. CRs-Fixed: 2835738 Change-Id: Icc2b580dc7b67a00e27ac445b43ab8ffc27fa636 Signed-off-by: Karthik Jayakumar <kjayakum@codeaurora.org>