fbdev/amifb: Remove superfluous alignment of frame buffer memory
authorGeert Uytterhoeven <geert@linux-m68k.org>
Sat, 21 May 2011 19:42:56 +0000 (19:42 +0000)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 24 May 2011 07:26:31 +0000 (16:26 +0900)
amiga_chip_alloc() already aligns to the PAGE_SIZE

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
drivers/video/amifb.c

index 1b0185cf6868b1b1debcef09a34a7bd8b3b5a0ca..5ea6596dd824084971b49bdf2e9364df7832746c 100644 (file)
@@ -2224,24 +2224,23 @@ static int amifb_ioctl(struct fb_info *info,
         * Allocate, Clear and Align a Block of Chip Memory
         */
 
-static u_long unaligned_chipptr = 0;
+static void *aligned_chipptr;
 
 static inline u_long __init chipalloc(u_long size)
 {
-       size += PAGE_SIZE-1;
-       if (!(unaligned_chipptr = (u_long)amiga_chip_alloc(size,
-                                                          "amifb [RAM]"))) {
+       aligned_chipptr = amiga_chip_alloc(size, "amifb [RAM]");
+       if (!aligned_chipptr) {
                pr_err("amifb: No Chip RAM for frame buffer");
                return 0;
        }
-       memset((void *)unaligned_chipptr, 0, size);
-       return PAGE_ALIGN(unaligned_chipptr);
+       memset(aligned_chipptr, 0, size);
+       return (u_long)aligned_chipptr;
 }
 
 static inline void chipfree(void)
 {
-       if (unaligned_chipptr)
-               amiga_chip_free((void *)unaligned_chipptr);
+       if (aligned_chipptr)
+               amiga_chip_free(aligned_chipptr);
 }