drm: drivers/char/drm/: make some functions static

From: Adrian Bunk <[e-mail]>

This patch makes some needlessly global functions static.

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Dave Airlie <[e-mail]>

drivers/char/drm/i810_dma.c

···
 }
 
 /* Must be called with the lock held */
-void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
+static void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
 {
 	drm_device_dma_t *dma = dev->dma;
 	int i;

drivers/char/drm/i810_drv.h

···
 } drm_i810_private_t;
 
 				/* i810_dma.c */
-extern void i810_reclaim_buffers(drm_device_t * dev, struct file *filp);
-
 extern int i810_driver_dma_quiescent(drm_device_t * dev);
 extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev,
 					       struct file *filp);

drivers/char/drm/i830_dma.c

···
 }
 
 /* Must be called with the lock held */
-void i830_reclaim_buffers(drm_device_t * dev, struct file *filp)
+static void i830_reclaim_buffers(drm_device_t * dev, struct file *filp)
 {
 	drm_device_dma_t *dma = dev->dma;
 	int i;

drivers/char/drm/i830_drv.h

···
 extern drm_ioctl_desc_t i830_ioctls[];
 extern int i830_max_ioctl;
 
-/* i830_dma.c */
-extern void i830_reclaim_buffers(drm_device_t * dev, struct file *filp);
-
 /* i830_irq.c */
 extern int i830_irq_emit(struct inode *inode, struct file *filp,
 			 unsigned int cmd, unsigned long arg);

drivers/char/drm/savage_bci.c

···
 #define SAVAGE_EVENT_USEC_TIMEOUT	5000000	/* 5s */
 #define SAVAGE_FREELIST_DEBUG		0
 
+static int savage_do_cleanup_bci(drm_device_t *dev);
+
 static int
 savage_bci_wait_fifo_shadow(drm_savage_private_t * dev_priv, unsigned int n)
 {
···
 	return 0;
 }
 
-int savage_do_cleanup_bci(drm_device_t * dev)
+static int savage_do_cleanup_bci(drm_device_t * dev)
 {
 	drm_savage_private_t *dev_priv = dev->dev_private;
 

drivers/char/drm/savage_drv.h

···
 extern int savage_driver_firstopen(drm_device_t *dev);
 extern void savage_driver_lastclose(drm_device_t *dev);
 extern int savage_driver_unload(drm_device_t *dev);
-extern int savage_do_cleanup_bci(drm_device_t * dev);
 extern void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp);
 
 /* state functions */

drivers/char/drm/via_dma.c

···
 	return 0;
 }
 
-int via_dma_init(DRM_IOCTL_ARGS)
+static int via_dma_init(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
···
 	return 0;
 }
 
-int via_flush_ioctl(DRM_IOCTL_ARGS)
+static int via_flush_ioctl(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 
···
 	return via_driver_dma_quiescent(dev);
 }
 
-int via_cmdbuffer(DRM_IOCTL_ARGS)
+static int via_cmdbuffer(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_via_cmdbuffer_t cmdbuf;
···
 	return ret;
 }
 
-int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
+static int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_via_cmdbuffer_t cmdbuf;
···
  * User interface to the space and lag functions.
  */
 
-int via_cmdbuf_size(DRM_IOCTL_ARGS)
+static int via_cmdbuf_size(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_via_cmdbuf_size_t d_siz;

drivers/char/drm/via_dmablit.c

···
  */
 
 
-void
+static void
 via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) 
 {
 	struct page *page;

drivers/char/drm/via_drv.h

···
 extern int via_agp_init(DRM_IOCTL_ARGS);
 extern int via_map_init(DRM_IOCTL_ARGS);
 extern int via_decoder_futex(DRM_IOCTL_ARGS);
-extern int via_dma_init(DRM_IOCTL_ARGS);
-extern int via_cmdbuffer(DRM_IOCTL_ARGS);
-extern int via_flush_ioctl(DRM_IOCTL_ARGS);
-extern int via_pci_cmdbuffer(DRM_IOCTL_ARGS);
-extern int via_cmdbuf_size(DRM_IOCTL_ARGS);
 extern int via_wait_irq(DRM_IOCTL_ARGS);
 extern int via_dma_blit_sync( DRM_IOCTL_ARGS );
 extern int via_dma_blit( DRM_IOCTL_ARGS );
···
 extern void via_init_futex(drm_via_private_t * dev_priv);
 extern void via_cleanup_futex(drm_via_private_t * dev_priv);
 extern void via_release_futex(drm_via_private_t * dev_priv, int context);
-extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq,
-			       int force_sequence, unsigned int *sequence);
 
 extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
 extern void via_init_dmablit(drm_device_t *dev);

drivers/char/drm/via_irq.c

···
 	return ret;
 }
 
-int
+static int
 via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
 		    unsigned int *sequence)
 {