/* intel_i2c.c */
 extern int intel_setup_gmbus(struct drm_device *dev);
 extern void intel_teardown_gmbus(struct drm_device *dev);
-static inline bool intel_gmbus_is_port_valid(unsigned port)
+static inline bool intel_gmbus_is_valid_pin(unsigned int pin)
 {
-       return (port >= GMBUS_PIN_SSC && port <= GMBUS_PIN_DPD);
+       return (pin >= GMBUS_PIN_SSC && pin <= GMBUS_PIN_DPD);
 }
 
-extern struct i2c_adapter *intel_gmbus_get_adapter(
-               struct drm_i915_private *dev_priv, unsigned port);
+extern struct i2c_adapter *
+intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin);
 extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
 extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
 static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
 
                if (block_size >= sizeof(*general)) {
                        int bus_pin = general->crt_ddc_gmbus_pin;
                        DRM_DEBUG_KMS("crt_ddc_bus_pin: %d\n", bus_pin);
-                       if (intel_gmbus_is_port_valid(bus_pin))
+                       if (intel_gmbus_is_valid_pin(bus_pin))
                                dev_priv->vbt.crt_ddc_pin = bus_pin;
                } else {
                        DRM_DEBUG_KMS("BDB_GD too small (%d). Invalid.\n",
 
                 * special cases, but otherwise default to what's defined
                 * in the spec.
                 */
-               if (intel_gmbus_is_port_valid(dvo->gpio))
+               if (intel_gmbus_is_valid_pin(dvo->gpio))
                        gpio = dvo->gpio;
                else if (dvo->type == INTEL_DVO_CHIP_LVDS)
                        gpio = GMBUS_PIN_SSC;
 
 }
 
 struct i2c_adapter *intel_gmbus_get_adapter(struct drm_i915_private *dev_priv,
-                                           unsigned port)
+                                           unsigned int pin)
 {
-       WARN_ON(!intel_gmbus_is_port_valid(port));
+       WARN_ON(!intel_gmbus_is_valid_pin(pin));
        /* -1 to map pin pair to gmbus index */
-       return (intel_gmbus_is_port_valid(port)) ?
-               &dev_priv->gmbus[port - 1].adapter : NULL;
+       return (intel_gmbus_is_valid_pin(pin)) ?
+               &dev_priv->gmbus[pin - 1].adapter : NULL;
 }
 
 void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed)
 
                    child->device_type != DEVICE_TYPE_LFP)
                        continue;
 
-               if (intel_gmbus_is_port_valid(child->i2c_pin))
+               if (intel_gmbus_is_valid_pin(child->i2c_pin))
                        *i2c_pin = child->i2c_pin;
 
                /* However, we cannot trust the BIOS writers to populate
 
        else
                mapping = &dev_priv->sdvo_mappings[1];
 
-       if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
+       if (mapping->initialized && intel_gmbus_is_valid_pin(mapping->i2c_pin))
                pin = mapping->i2c_pin;
        else
                pin = GMBUS_PIN_DPB;