drm/via: fixed coding style issues, simplified return

Fixed brace, macro and spacing coding style issues.
Simplified
 -if (ret) return ret;
 -return 0;
 +return ret;

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
index 34079f2..d391f48 100644
--- a/drivers/gpu/drm/via/via_irq.c
+++ b/drivers/gpu/drm/via/via_irq.c
@@ -141,11 +141,10 @@
 			atomic_inc(&cur_irq->irq_received);
 			DRM_WAKEUP(&cur_irq->irq_queue);
 			handled = 1;
-			if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) {
+			if (dev_priv->irq_map[drm_via_irq_dma0_td] == i)
 				via_dmablit_handler(dev, 0, 1);
-			} else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i) {
+			else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i)
 				via_dmablit_handler(dev, 1, 1);
-			}
 		}
 		cur_irq++;
 	}
@@ -160,7 +159,7 @@
 		return IRQ_NONE;
 }
 
-static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
+static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t *dev_priv)
 {
 	u32 status;
 
@@ -207,7 +206,7 @@
 }
 
 static int
-via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequence,
+via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence,
 		    unsigned int *sequence)
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
@@ -260,7 +259,7 @@
  * drm_dma.h hooks
  */
 
-void via_driver_irq_preinstall(struct drm_device * dev)
+void via_driver_irq_preinstall(struct drm_device *dev)
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	u32 status;
@@ -329,7 +328,7 @@
 	return 0;
 }
 
-void via_driver_irq_uninstall(struct drm_device * dev)
+void via_driver_irq_uninstall(struct drm_device *dev)
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	u32 status;