GMBUS_CYCLE_NONE   53 drivers/gpu/drm/gma500/psb_intel_reg.h #define   GMBUS_CYCLE_NONE	(0<<25)
GMBUS_CYCLE_NONE 3222 drivers/gpu/drm/i915/i915_reg.h #define   GMBUS_CYCLE_NONE	(0 << 25)