Pandora Sourcecodes - openembedded.git/blob

   1 From 30c40f5e6b1794430f678bf23d3319354321cab7 Mon Sep 17 00:00:00 2001
   2 From: Imre Deak <imre.deak@nokia.com>
   3 Date: Tue, 14 Apr 2009 14:50:11 +0200
   4 Subject: [PATCH 31/69] DSS2: do bootmem reserve for exclusive access
   5
   6 BOOTMEM_DEFAULT would allow multiple reservations for the same location,
   7 we need to reserve the region for our exclusive use. Also check if the
   8 reserve succeeded.
   9
  10 Signed-off-by: Imre Deak <imre.deak@nokia.com>
  11 ---
  12  arch/arm/plat-omap/vram.c |    5 ++++-
  13  1 files changed, 4 insertions(+), 1 deletions(-)
  14
  15 diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c
  16 index f24a110..520f260 100644
  17 --- a/arch/arm/plat-omap/vram.c
  18 +++ b/arch/arm/plat-omap/vram.c
  19 @@ -524,7 +524,10 @@ void __init omapfb_reserve_sdram(void)
  20                         return;
  21                 }
  22
  23 -               reserve_bootmem(paddr, size, BOOTMEM_DEFAULT);
  24 +               if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) {
  25 +                       pr_err("FB: failed to reserve VRAM\n");
  26 +                       return;
  27 +               }
  28         } else {
  29                 if (size > sdram_size) {
  30                         printk(KERN_ERR "Illegal SDRAM size for VRAM\n");
  31 --
  32 1.6.2.4
  33