On 2/27/2017 2:54 PM, Jean-Philippe Brucker wrote: > + ats_enabled = !arm_smmu_enable_ats(master); > + You should make ats_supported field in IORT table part of the decision process for when to enable ATS. -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.