From 30c40f5e6b1794430f678bf23d3319354321cab7 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@nokia.com>
Date: Tue, 14 Apr 2009 14:50:11 +0200
Subject: [PATCH 31/69] 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>
---
arch/arm/plat-omap/vram.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c
index f24a110..520f260 100644
--- 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");
--
1.6.2.4