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>

diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index e88bac1..bae897d 100644 (file)
--- 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);