i810: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index e88bac1d781f..bae897de9468 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -393,15 +393,14 @@ static int i810_dma_initialize(struct drm_device *dev,
 
         /* Program Hardware Status Page */
         dev_priv->hw_status_page =
-            pci_alloc_consistent(dev->pdev, PAGE_SIZE,
-                                 &dev_priv->dma_status_page);
+                pci_zalloc_consistent(dev->pdev, PAGE_SIZE,
+                                      &dev_priv->dma_status_page);
         if (!dev_priv->hw_status_page) {
                 dev->dev_private = (void *)dev_priv;
                 i810_dma_cleanup(dev);
                 DRM_ERROR("Can not allocate hardware status page\n");
                 return -ENOMEM;
         }
-        memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
         DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
 
         I810_WRITE(0x02080, dev_priv->dma_status_page);