GMBUS1             49 drivers/gpu/drm/gma500/psb_intel_reg.h #define GMBUS1			0x5104 /* command/status */
GMBUS1           3218 drivers/gpu/drm/i915/i915_reg.h #define GMBUS1			_MMIO(dev_priv->gpio_mmio_base + 0x5104) /* command/status */