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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-05-22 23:59:11 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-27 08:48:23 +0100
commit98864ff58dd2b8ef9e72b0d2c70f34e7ff24a2ee (patch)
tree87f93ed777f090220acb3cc066c85abe4b863d12 /arch/arm/plat-omap/fb.c
parent8d717a52d1b0959128be5134dd12608e8e4f2115 (diff)
ARM: OMAP: Convert OMAPFB and VRAM SDRAM reservation to LMB
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-omap/fb.c')
-rw-r--r--arch/arm/plat-omap/fb.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 97db493904fa..0054b9501a53 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -26,7 +26,7 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/io.h>
#include <linux/omapfb.h>
@@ -173,25 +173,27 @@ static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg,
static int valid_sdram(unsigned long addr, unsigned long size)
{
- struct bootmem_data *bdata = NODE_DATA(0)->bdata;
- unsigned long sdram_start, sdram_end;
+ struct memblock_property res;
- sdram_start = bdata->node_min_pfn << PAGE_SHIFT;
- sdram_end = bdata->node_low_pfn << PAGE_SHIFT;
-
- return addr >= sdram_start && sdram_end - addr >= size;
+ res.base = addr;
+ res.size = size;
+ return !memblock_find(&res) && res.base == addr && res.size == size;
}
static int reserve_sdram(unsigned long addr, unsigned long size)
{
- return reserve_bootmem(addr, size, BOOTMEM_EXCLUSIVE);
+ if (memblock_is_region_reserved(addr, size))
+ return -EBUSY;
+ if (memblock_reserve(addr, size))
+ return -ENOMEM;
+ return 0;
}
/*
* Called from map_io. We need to call to this early enough so that we
* can reserve the fixed SDRAM regions before VM could get hold of them.
*/
-void __init omapfb_reserve_sdram(void)
+void __init omapfb_reserve_sdram_memblock(void)
{
unsigned long reserved = 0;
int i;
@@ -386,7 +388,10 @@ static inline int omap_init_fb(void)
arch_initcall(omap_init_fb);
-void omapfb_reserve_sdram(void) {}
+void omapfb_reserve_sdram_memblock(void)
+{
+}
+
unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
unsigned long sram_vstart,
unsigned long sram_size,
@@ -402,7 +407,10 @@ void omapfb_set_platform_data(struct omapfb_platform_data *data)
{
}
-void omapfb_reserve_sdram(void) {}
+void omapfb_reserve_sdram_memblock(void)
+{
+}
+
unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
unsigned long sram_vstart,
unsigned long sram_size,