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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>
This commit is contained in:
Joe Perches 2014-08-08 14:24:19 -07:00 committed by Linus Torvalds
parent 9011a67b2f
commit 59e2623b43
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/i810/i810_dma.c
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@ -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);