[PATCH] drm/pci: add missing variable initialization

[Jingoo Han]

Fixed build warning as below:

arch/arm/mm/cache-l2x0.c:37:12: warning: 'l2_wt_override' defined but not used [-Wunused-variable]

Signed-off-by: Jingoo Han <jg1.han at samsung.com>
---
 drivers/gpu/drm/drm_pci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index ba33144..754bc96 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -470,7 +470,7 @@ int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask)
 {
 	struct pci_dev *root;
 	int pos;
-	u32 lnkcap, lnkcap2;
+	u32 lnkcap = 0, lnkcap2 = 0;
 
 	*mask = 0;
 	if (!dev->pdev)
-- 
1.7.1