linux-kernel - [PATCH 06/22] i810: Use pci_zalloc

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Message-Id: <35ea0a682ee80b86e38172d4a5a7a2ad9ec7d274.1403530604.git.joe@perches.com>
Date:	Mon, 23 Jun 2014 06:41:34 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org
Subject: [PATCH 06/22] i810: Use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/gpu/drm/i810/i810_dma.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index e88bac1..bae897d 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);
-- 
1.8.1.2.459.gbcd45b4.dirty

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