ECR 99 arch/arc/include/asm/entry-arcv2.h ; OUTPUT: r10 has ECR expected by EV_Trap ECR 50 arch/c6x/include/asm/special_insns.h #define ack_exception(type) set_creg(ECR, 1 << (type)) ECR 8492 drivers/gpu/drm/i915/intel_pm.c I915_WRITE(ECR, 0); ECR 8493 drivers/gpu/drm/i915/intel_pm.c POSTING_READ(ECR); ECR 8548 drivers/gpu/drm/i915/intel_pm.c I915_WRITE(ECR, 0x80000019);