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The MERT subsystem manages memory accesses between host and device. On the Crescent Island platform, it requires direct management by the driver. Introduce a device flag and corresponding helpers to identify platforms with standalone MERT, enabling proper initialization and handling. Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Link: https://patch.msgid.link/20251124190237.20503-2-lukasz.laguna@intel.com