staging: sm750fb: remove hw_sm750_getVMSize function

The hw_sm750_getVMSize wraps ddk750_getVMSize without any added
functionality. Call ddk750_getVMSize directly and remove
hw_sm750_getVMSize.
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/sm750.h

@@ -202,7 +202,6 @@ void hw_sm750_initAccel(struct lynx_share *);
 int hw_sm750_deWait(void);
 int hw_sm750le_deWait(void);
 
-resource_size_t hw_sm750_getVMSize(struct lynx_share *);
 int hw_sm750_output_setMode(struct lynxfb_output*, struct fb_var_screeninfo*,
 			    struct fb_fix_screeninfo*);
 int hw_sm750_crtc_checkMode(struct lynxfb_crtc*, struct fb_var_screeninfo*);

drivers/staging/sm750fb/sm750_hw.c

@@ -69,9 +69,9 @@ int hw_sm750_map(struct lynx_share *share, struct pci_dev *pdev)
 	/* don't use pdev_resource[x].end - resource[x].start to
 	 * calculate the resource size,its only the maximum available
 	 * size but not the actual size,use
-	 * @hw_sm750_getVMSize function can be safe.
+	 * @ddk750_getVMSize function can be safe.
 	 * */
-	share->vidmem_size = hw_sm750_getVMSize(share);
+	share->vidmem_size = ddk750_getVMSize();
 	pr_info("video memory phyAddr = %lx, size = %u bytes\n",
 	share->vidmem_start, share->vidmem_size);
 
@@ -180,15 +180,6 @@ int hw_sm750_inithw(struct lynx_share *share, struct pci_dev *pdev)
 	return 0;
 }
 
-
-resource_size_t hw_sm750_getVMSize(struct lynx_share *share)
-{
-	resource_size_t ret;
-
-	ret = ddk750_getVMSize();
-	return ret;
-}
-
 int hw_sm750_output_setMode(struct lynxfb_output *output,
 									struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix)
 {