staging/xgifb: mttr must be (signed) int

The mttr field must be declared as signed int (as in every other fb
driver) for the mttr functions to work properly.
Moreover the value should be initialized with -1.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 83f8a6a..fa351f9 100644 (file)
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -1802,7 +1802,7 @@ static int xgifb_probe(struct pci_dev *pdev,
        if (!XGIInitNew(pdev))
                dev_err(&pdev->dev, "XGIInitNew() failed!\n");
 
-       xgifb_info->mtrr = (unsigned int) 0;
+       xgifb_info->mtrr = -1;
 
        xgifb_info->hasVB = HASVB_NONE;
        if ((xgifb_info->chip == XG20) ||

diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h
index 8054798..af50362 100644 (file)
--- a/drivers/staging/xgifb/XGIfb.h
+++ b/drivers/staging/xgifb/XGIfb.h
@@ -67,7 +67,7 @@ struct xgifb_video_info {
        unsigned long mmio_size;
        void __iomem *mmio_vbase;
        unsigned long vga_base;
-       unsigned long mtrr;
+       int mtrr;
 
        int    video_bpp;
        int    video_cmap_len;