DSS2: do bootmem reserve for exclusive access

BOOTMEM_DEFAULT would allow multiple reservations for the same location,
we need to reserve the region for our exclusive use. Also check if the
reserve succeeded.

Signed-off-by: Imre Deak <imre.deak@nokia.com>

diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c
index f24a110..520f260 100644 (file)
--- a/arch/arm/plat-omap/vram.c
+++ b/arch/arm/plat-omap/vram.c
@@ -524,7 +524,10 @@ void __init omapfb_reserve_sdram(void)
                        return;
                }
 
-               reserve_bootmem(paddr, size, BOOTMEM_DEFAULT);
+               if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) {
+                       pr_err("FB: failed to reserve VRAM\n");
+                       return;
+               }
        } else {
                if (size > sdram_size) {
                        printk(KERN_ERR "Illegal SDRAM size for VRAM\n");