drm: misc cleanup

This patch contains the following cleanups:
- make needlessly global functions static
- remove the following unused global functions:
 - drm_fops.c: drm_read
 - i915_dma.c: i915_do_cleanup_pageflip

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 8ccbdef..48829a1 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -157,52 +157,6 @@
 	return err;
 }
 
-
-/**
- * Register.
- *
- * \param pdev - PCI device structure
- * \param ent entry from the PCI ID table with device type flags
- * \return zero on success or a negative number on failure.
- *
- * Attempt to gets inter module "drm" information. If we are first
- * then register the character device and inter module information.
- * Try and register, if we fail to register, backout previous work.
- */
-int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
-	      struct drm_driver *driver)
-{
-	drm_device_t *dev;
-	int ret;
-
-	DRM_DEBUG("\n");
-
-	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
-	if (!dev)
-		return -ENOMEM;
-
-	pci_enable_device(pdev);
-
-	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
-		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
-		goto err_g1;
-	}
-	if ((ret = drm_get_head(dev, &dev->primary)))
-		goto err_g1;
-
-	/* postinit is a required function to display the signon banner */
-	/* drivers add secondary heads here if needed */
-	if ((ret = dev->driver->postinit(dev, ent->driver_data)))
-		goto err_g1;
-
-	return 0;
-
-err_g1:
-	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
-	return ret;
-}
-EXPORT_SYMBOL(drm_get_dev);
-
 /**
  * Get a secondary minor number.
  *
@@ -214,7 +168,7 @@
  * create the proc init entry via proc_init(). This routines assigns
  * minor numbers to secondary heads of multi-headed cards
  */
-int drm_get_head(drm_device_t *dev, drm_head_t *head)
+static int drm_get_head(drm_device_t *dev, drm_head_t *head)
 {
 	drm_head_t **heads = drm_heads;
 	int ret;
@@ -262,6 +216,50 @@
 	return ret;
 }
 		
+/**
+ * Register.
+ *
+ * \param pdev - PCI device structure
+ * \param ent entry from the PCI ID table with device type flags
+ * \return zero on success or a negative number on failure.
+ *
+ * Attempt to gets inter module "drm" information. If we are first
+ * then register the character device and inter module information.
+ * Try and register, if we fail to register, backout previous work.
+ */
+int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
+	      struct drm_driver *driver)
+{
+	drm_device_t *dev;
+	int ret;
+
+	DRM_DEBUG("\n");
+
+	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
+	if (!dev)
+		return -ENOMEM;
+
+	pci_enable_device(pdev);
+
+	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
+		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
+		goto err_g1;
+	}
+	if ((ret = drm_get_head(dev, &dev->primary)))
+		goto err_g1;
+
+	/* postinit is a required function to display the signon banner */
+	/* drivers add secondary heads here if needed */
+	if ((ret = dev->driver->postinit(dev, ent->driver_data)))
+		goto err_g1;
+
+	return 0;
+
+err_g1:
+	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
+	return ret;
+}
+EXPORT_SYMBOL(drm_get_dev);
 
 /**
  * Put a device minor number.